Science, New Series, Vol. 9, No. 210, Jan. 6, 1899


Previous Issue: New Series, Vol. 8, No. 209, Dec. 30, 1898
Next Issue: New Series, Vol. 9, No. 211, Jan. 13, 1899


Volume Information (8 pp.)
Front Matter (1 p.)
The United States Naval Observatory, pp. 1-16
A. N. Skinner

The Psychology of Society, pp. 16-23
Franklin H. Giddings

Atomic Weights, pp. 23-24
Ferdinand G. Wiechmann

John Commings, p. 24
Wm. H. Niles


Scientific Books
----------------, pp. 24-26
Matter, Energy, Force and Work
Silas W. Holman
Review author[s]: T. C. M.
----------------, p. 26
A Brief Course in Qualitative Analysis
Ernest A. Congdon
A Short Manual of Analytical Chemistry, Qualitative and Quantitative, Inorganic and Organic, Following the Course of Instruction Given in the Laboratories of the South London School of Pharmacy
John Muter
Review author[s]: W. A. Noyes
----------------, pp. 26-27
Wild Animals I Have Known
Ernest Seton Thompson
Review author[s]: T. S. P.
----------------, pp. 27-28
Human Anatomy
Henry Morris
Review author[s]: Thomas Dwight
General, pp. 28-29


Scientific Journals and Articles, p. 29
Societies and Academies, pp. 29-34


Discussion and Correspondence
The Pumas of the Western United States, pp. 34-35
Witmer Stone
The Schmidt-Dickert Moon Model, pp. 35-36
Oliver C. Farrington
Lehmann and Hansen on `The Telepathic Problem.', p. 36
E. B. Titchener


Astronomical Notes, pp. 36-37
Winslow Upton

Current Notes on Anthropology, pp. 37-38
D. G. Brinton

Scientific Notes and News, pp. 38-40
University and Educational News, p. 40

Previous Issue: New Series, Vol. 8, No. 209, Dec. 30, 1898
Next Issue: New Series, Vol. 9, No. 211, Jan. 13, 1899



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Science, New Series, Vol. 9, No. 211, Jan. 13, 1899


Previous Issue: New Series, Vol. 9, No. 210, Jan. 6, 1899
Next Issue: New Series, Vol. 9, No. 212, Jan. 20, 1899


Front Matter (2 pp.)
Our Society, pp. 41-52
John J. Stevenson

Fishes of the South Shore of Long Island, pp. 52-55
Tarleton H. Bean

Suppression of Smoke, pp. 55-57
R. H. Thurston

American Mathematical Society, pp. 57-58
F. N. Cole

General Meeting of the American Chemical Society, pp. 58-59
Durand Woodman


Scientific Books
----------------, pp. 59-63
The Collected Mathematical Papers
Arthur Cayley
Review author[s]: George Bruce Halsted
----------------, pp. 63-64
Commercial Organic Analysis
Alfred H. Allen
Review author[s]: W. A. Noyes
----------------, pp. 64-65
Sewerage: The Designing, Construction and Maintenance of Sewerage Systems
A. Prescott Folwell
Review author[s]: M. M.
----------------, pp. 65-66
Cuba and Porto Rico, with the Other Islands of the West Indies: Their Topography, Climate, Flora, Products, Industries, Cities, People, Political Conditions, etc.
Robert T. Hill
Review author[s]: W J M.
----------------, p. 66
The Birds of Indiana
Amos W. Butler
Review author[s]: F. M. C.
----------------, pp. 66-67
The Butterfly Book
W. J. Holland
Review author[s]: Samuel H. Scudder


Scientific Journals and Articles, pp. 67-68
Societies and Academies, pp. 68-70


Discussion and Correspondence
The Sensation of Motion and Its Reversal, pp. 70-71
W. S. Franklin
Occurrence of the Virginia Opossum in Southern Central New York, p. 71
J. Alden Loring


Notes on Inorganic Chemistry, pp. 71-72
J. L. H.

Current Notes on Meteorology, pp. 72-73
R. DeC. Ward

Zoological Notes, pp. 73-74
F. A. L.; H. C. B.

Botanical Notes, pp. 74-75
Charles E. Bessey

Current Notes on Anthropology, p. 76
D. G. Brinton

Scientific Notes and News, pp. 76-80
University and Educational News, p. 80

Previous Issue: New Series, Vol. 9, No. 210, Jan. 6, 1899
Next Issue: New Series, Vol. 9, No. 212, Jan. 20, 1899



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Science, New Series, Vol. 9, No. 212, Jan. 20, 1899


Previous Issue: New Series, Vol. 9, No. 211, Jan. 13, 1899
Next Issue: New Series, Vol. 9, No. 213, Jan. 27, 1899


Front Matter (2 pp.)


Advances in Methods of Teaching
Zoology, pp. 81-84
Edwin G. Conklin
Anatomy, pp. 85-87
Geo S. Huntington
Physiology in Medical Schools, pp. 87-91
Wm. T. Porter
Psychology, pp. 91-93
Hugo Münsterberg
Anthropology, pp. 93-96
Franz Boas
Botany, pp. 96-100
W. F. Ganong


Eleventh Annual Meeting of the Geological Society of America, December 28th, 29th and 30th, New York, pp. 100-106
J. F. Kemp


Scientific Books
----------------, pp. 106-109
Theory of Groups of Finite Order
W. Burnside
Review author[s]: F. N. Cole
----------------, p. 109
Elements of Sanitary Engineering
Mansfield Marriman
Review author[s]: M.
----------------, pp. 109-110
Bush Fruits: A Horticultural Monograph of Rasp-Berries, Blackberries, Dewberries, Currants, Gooseberries and Other Shrub-Like Fruits
Fred W. Card
Review author[s]: Byron D. Halsted
----------------, pp. 110-111
The Lower Cretaceous Gryphæas of the Texas Region
Robert Thomas Hill; Thomas Wayland Vaughan
Review author[s]: Frederic W. Simonds


Scientific Journals and Articles, pp. 111-112
Societies and Academies, pp. 112-114


Discussion and Correspondence
Science and Politics, pp. 114-115
S. W. Williston
The Storing of Pamphlets, pp. 115-116
Charles S. Crandall
Zone Temperatures, p. 116
C. Hart Merriam


Physical Notes, p. 116
F. C. C.

Current Notes on Meteorology, pp. 116-117
R. DeC. Ward

Current Notes on Anthropology, pp. 117-118
D. G. Brinton

Scientific Notes and News, pp. 118-120
University and Educational News, p. 120

Previous Issue: New Series, Vol. 9, No. 211, Jan. 13, 1899
Next Issue: New Series, Vol. 9, No. 213, Jan. 27, 1899



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Science, New Series, Vol. 9, No. 213, Jan. 27, 1899


Previous Issue: New Series, Vol. 9, No. 212, Jan. 20, 1899
Next Issue: New Series, Vol. 9, No. 214, Feb. 3, 1899


Front Matter (2 pp.)
Truth and Error, pp. 121-137
Review author[s]: W. K. Brooks; Lester F. Ward

Inconsiderate Legislation on Birds, pp. 137-138
Eleventh Annual Meeting of the Geological Society of America, December 28th, 29th and 30th, New York, pp. 138-145
J. F. Kemp

Winter Meeting of the Anthropological Section of the American Association, pp. 145-147
A. L. Kroeber


Scientific Books
----------------, p. 147
Revised Text-Book of Geology
James D. Dana
Review author[s]: W. B. Clark
----------------, pp. 147-150
The Groundwork of Science
St. George Mivart
Review author[s]: J. E. Creighton
----------------, p. 150
The Freezing-Point, Boiling-Point and Conductivity Methods
Harry C. Jones
Review author[s]: J. E. G.
----------------, p. 150
Outlines of Industrial Chemistry
Frank Thorp
Review author[s]: W. A. Noyes
----------------, pp. 150-151
Aperçus de taxinomie générale
J. P. Durand
Review author[s]: F. A. L.


Scientific Journals and Articles, pp. 151-152
Societies and Academies, pp. 152-154


Discussion and Correspondence
Matter, Energy, Force and Work, p. 154
Silas W. Holman
Zoological Bibliography, pp. 154-155
F. A. Bather


Notes on Inorganic Chemistry, pp. 155-156
J. L. H.

Zoological Notes, p. 156
Current Notes on Anthropology, p. 156
D. G. Brinton

Collections of the Provincial Museum of Victoria, British Columba, pp. 156-157
Harlan I. Smith

Scientific Notes and News, pp. 157-160
University and Educational News, p. 160

Previous Issue: New Series, Vol. 9, No. 212, Jan. 20, 1899
Next Issue: New Series, Vol. 9, No. 214, Feb. 3, 1899



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Science, New Series, Vol. 9, No. 214, Feb. 3, 1899


Previous Issue: New Series, Vol. 9, No. 213, Jan. 27, 1899
Next Issue: New Series, Vol. 9, No. 215, Feb. 10, 1899


Front Matter (2 pp.)
Frontal Horn on Aceratherium Incisivum, pp. 161-162
Henry F. Osborn

Report Concerning the Official State Bureaus Connected with the Johns Hopkins University, pp. 162-165
Wm. Bullock Clark

The Biological Stations of Brittany, pp. 165-167
John H. Gerould

Notes on the Times of Breeding of Some Common New England Nemerteans, pp. 167-169
W. R. Coe

The Columbia Meeting of the Society for Plant Morphology and Physiology, pp. 169-173
W. F. Ganong

Eleventh Annual Meeting of the American Folk-Lore Society, pp. 173-174
W. W. Newell


Scientific Books
----------------, pp. 174-175
Kalender für Geologen, Paläontologen und Mineralogen
K. Keilhack
Review author[s]: J. B. Woodworth
----------------, pp. 175-176
The Chinch Bug
F. M. Webster
Review author[s]: T. D. A. Cockerell
----------------, pp. 176-177
A Manual of Chemical Analysis, Qualitative and Quantitative
G. S. Newth
Review author[s]: Henry Fay
Recent Publications of the U. S. Geological Survey, pp. 177-178


Scientific Journals and Articles, pp. 178-179
Societies and Academies, pp. 179-184


Discussion and Correspondence
The Storing of Pamphlets, p. 184
Winslow Upton


Notes on Inorganic Chemistry, p. 185
J. L. H.

Current Notes on Anthropology, pp. 185-186
D. G. Brinton

Agricultural Education in Russia, pp. 186-187
The International Catalogue of Scientific Literature, pp. 187-188
Scientific Notes and News, pp. 188-192
University and Educational News, p. 192

Previous Issue: New Series, Vol. 9, No. 213, Jan. 27, 1899
Next Issue: New Series, Vol. 9, No. 215, Feb. 10, 1899



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Science, New Series, Vol. 9, No. 215, Feb. 10, 1899


Previous Issue: New Series, Vol. 9, No. 214, Feb. 3, 1899
Next Issue: New Series, Vol. 9, No. 216, Feb. 17, 1899


Front Matter (3 pp.)
The Smithsonian Institution, pp. 193-199
The Agricultural Experiment Stations, pp. 199-206
A. C. True

Physiological Osmosis, pp. 206-207
George Macloskie

Professional Schools Vs. Business, pp. 207-210
R. H. Thurston

Mechanical Illustration of Kirchoff's Principle, pp. 210-211
William Hallock

Plastiline, a New Modeling Compound, pp. 211-212
C. R. Eastman


Scientific Books
----------------, pp. 212-214
The Structure and Classification of Birds
Frank E. Beddard
Review author[s]: F. A. Lucas
----------------, pp. 214-216
Rivers of North America
Israel C. Russell
Review author[s]: Richard E. Dodge
----------------, p. 216
Anatomy and Histology of the Mouth and Teeth
J. Norman Broomell
Review author[s]: Charles S. Minot


Scientific Journals and Articles, p. 217
Societies and Academies, pp. 217-221


Discussion and Correspondence
Zoological Nomenclature, p. 221
Wm. H. Dall
The Red-Beds of Kansas, p. 221
S. W. Williston
Men of Science and Anti-Vivisection, pp. 221-224
Henry C. Mercer


Astronomical Notes, pp. 224-225
Winslow Upton

Notes on Physics, pp. 225-226
A. St.C. D.

Botanical Notes, pp. 226-227
Charles E. Bessey

Current Notes on Anthropology, pp. 227-228
D. G. Brinton

Meeting of the Trustees of the Marine Biological Laboratory, p. 228
H. C. Bumpus

Scientific Notes and News, pp. 228-232
University and Educational News, p. 232

Previous Issue: New Series, Vol. 9, No. 214, Feb. 3, 1899
Next Issue: New Series, Vol. 9, No. 216, Feb. 17, 1899



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Science, New Series, Vol. 9, No. 216, Feb. 17, 1899


Previous Issue: New Series, Vol. 9, No. 215, Feb. 10, 1899
Next Issue: New Series, Vol. 9, No. 217, Feb. 24, 1899


Front Matter (3 pp.)
The Economic Status of Insects as a Class, pp. 233-247
L. O. Howard

Anti-Friction Alloys, pp. 247-249
R. H. T.

Annual Meeting of the American Psychological Association, pp. 249-252
Livingston Farrand


Scientific Books
----------------, pp. 252-255
The New Maryland Geological Survey
Review author[s]: Bailey Willis
----------------, pp. 255-256
La vie sur les hauts plateaux
A. L. Herrera; D. Vergara Lope
Review author[s]: George Bruce Halsted


Scientific Journals and Articles, p. 257
Societies and Academies, pp. 257-259


Discussion and Correspondence
Reply to Critics, pp. 259-263
J. W. Powell
Artificial Dreams, pp. 263-264
Hiram M. Stanley
Trowbridge's Theory of the Earth's Magnetism, pp. 264-265
L. A. Bauer; John Trowbridge


Notes on Inorganic Chemistry, p. 266
J. L. H.

Zoological Notes, pp. 266-267
Current Notes on Anthropology, p. 267
D. G. Brinton

Scientific Notes and News, pp. 267-271
University and Educational News, pp. 271-272
Erratum, p. 272

Previous Issue: New Series, Vol. 9, No. 215, Feb. 10, 1899
Next Issue: New Series, Vol. 9, No. 217, Feb. 24, 1899



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Science, New Series, Vol. 9, No. 217, Feb. 24, 1899


Previous Issue: New Series, Vol. 9, No. 216, Feb. 17, 1899
Next Issue: New Series, Vol. 9, No. 218, Mar. 3, 1899


Front Matter (2 pp.)
The Recently Discovered Gases and their Relation to the Periodic Law, pp. 273-280
A Case of Convergence, pp. 280-282
Carl H. Eigenmann

Reproductive or Genetic Selection, pp. 283-286
The New York Meeting of the American Physiological Society, pp. 286-289
Frederic S. Lee


Scientific Books
----------------, pp. 289-291
The Discharge of Electricity Through Gases
J. J. Thomson
Review author[s]: Ernest Merritt
----------------, pp. 291-292
Text-Book of Physiology
E. A. Schäfer
Review author[s]: Graham Lusk
Scientific Yearbooks, pp. 292-293
General, p. 293


Scientific Journals and Articles, pp. 293-294
Societies and Academies, pp. 294-297


Discussion and Correspondence
Etherion, p. 297
W. S. Franklin


Notes on Inorganic Chemistry, pp. 297-298
J. L. H.

Current Notes on Meteorology, pp. 298-299
R. DeC. Ward

Current Notes on Anthropology, pp. 299-300
D. G. Brinton

Scientific Notes and News, pp. 300-304
University and Educational News, p. 304

Previous Issue: New Series, Vol. 9, No. 216, Feb. 17, 1899
Next Issue: New Series, Vol. 9, No. 218, Mar. 3, 1899



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Science, New Series, Vol. 9, No. 218, Mar. 3, 1899


Previous Issue: New Series, Vol. 9, No. 217, Feb. 24, 1899
Next Issue: New Series, Vol. 9, No. 219, Mar. 10, 1899


Front Matter (2 pp.)
Geodetic Operations in the United States, pp. 305-310
E. D. Preston


The American Morphological Society
Notes on the Development of a Myxinoid, p. 311
Bashford Dean
On the Reproductive Habits and Development of the California Land Salamander, Autodax, pp. 311-312
W. E. Ritter
New Facts Regarding the Development of the Olfactory Nerve, p. 312
W. A. Locy
The Metameric Value of the Sensory Components of the Cranial Nerves, pp. 312-313
W. A. Herrick
The Maxillary and Mandibular Breathing Valves of Teleost Fishes, p. 313
Ulric Dahlgren
On the Early Development of the Catfish (Noturus), pp. 313-314
F. B. Sumner
Respiratory and Breeding Habits of Polypterus bichir, pp. 314-315
N. R. Harrington
The Cornary Vessels in the Hearts of Fishes, p. 315
G. H. Parker; F. K. Davies
Longitudinal Fission in Metridium marginatum, p. 315
G. H. Parker
Additional Characters of Diplodocus, pp. 315-316
Henry F. Osborn
The Ossicula Auditus of the Mammalia, p. 316
J. S. Kingsley; W. H. Ruddich
A Specific Case of the Elimination of the Unfit, pp. 316-317
H. C. Bumpus
On the Anatomy of the Spermatozoon of Invertebrates, p. 317
G. W. Field
The Origin of the Yolk in the Egg of Molgula, pp. 317-318
Henry E. Crampton, Jr.
Protoplasmic Movement as a Factor of Differentiation, pp. 318-319
Edwin G. Conklin
On Hæmatococcus, pp. 319-320
F. H. Herrick


Association of American Anatomists, pp. 320-321
D. S. Lamb

American Mathematical Society, pp. 322-323
F. N. Cole

The Nomenclature of the Hyoid in Birds, pp. 323-324
F. A. Lucas


Scientific Books
----------------, pp. 324-328
A Treatise on Universal Algebra
A. N. Whitehead
Review author[s]: Alexander Macfarlane
----------------, pp. 328-329
The Principles of Agriculture
L. H. Bailey
Review author[s]: Elisha Wilson Morse
----------------, pp. 329-331
Elementary Zoology
Frank E. Beddard
Review author[s]: Charles Wright Dodge
----------------, pp. 331-332
Laboratory Exercises in Anatomy and Physiology
James Edward Peabody
Review author[s]: Frederic S. Lee


Societies and Academies, pp. 332-336
Notes on Physics, pp. 336-337
W. S. F.

Notes on Inorganic Chemistry, pp. 337-338
J. L. H.

Current Notes on Anthropology, pp. 338-339
D. G. Brinton

Scientific Notes and News, pp. 339-341
University and Educational News, pp. 341-344

Previous Issue: New Series, Vol. 9, No. 217, Feb. 24, 1899
Next Issue: New Series, Vol. 9, No. 219, Mar. 10, 1899



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Science, New Series, Vol. 9, No. 219, Mar. 10, 1899


Previous Issue: New Series, Vol. 9, No. 218, Mar. 3, 1899
Next Issue: New Series, Vol. 9, No. 220, Mar. 17, 1899


Front Matter (2 pp.)
Explosions Caused by Commonly Occurring Substances, pp. 345-363
Charles E. Munroe


American Morphological Society
A Case of Egg Within Egg, p. 364
F. H. Herrick
Secondary Abdominal Pregnancy with Histolysis of the Fœtus, p. 364
F. H. Herrick
On the Early Development of Cerebratulus, pp. 364-365
W. R. Coe
Fission and Regeneration in Cerebratulus, p. 365
C. B. Wilson
The Female Genital Tract in Melophagus, p. 365
H. S. Pratt
Intracellular Differentiations in Gland Cells of Phascolosoma gouldii, pp. 365-366
Margaret Lewis Nickerson
The Development of the Adhesive Organ of Amia, p. 366
Jacob Reighard
Notes on Loxosoma davenporti, pp. 366-367
W. S. Nickerson
On the Motor Reactions of Paramecium, pp. 367-368
H. S. Jennings
Phototaxis of Daphnia, p. 368
C. B. Davenport; F. T. Lewis
Early Development of Pennaria tiarella, pp. 368-369
Chas. W. Hargitt
Grafting Experiments upon Hydromedusæ, p. 369
Chas. W. Hargitt
The Life-History of Dicyema, pp. 369-370
William Morton Wheeler
Notes on the Blind Fishes, p. 370
C. H. Eigenmann
Regeneration and Regulation in Hydra viridis, pp. 370-371
Herbert W. Rand


Stalactites of Sand, pp. 371-372
J. S. Diller


Scientific Books
----------------, pp. 372-373
Degeneracy: Its Causes, Signs and Results
Eugene S. Talbot
Review author[s]: G. T. W. Patrick
----------------, pp. 373-374
A Synonymic Catalogue of the North American Rhopalocera
Henry Skinner
Review author[s]: T. D. A. Cockerell
----------------, p. 374
Industrial Electricity
Henry De Graffigny
Review author[s]: W. H. F.
General, pp. 374-375


Scientific Journals and Articles, pp. 375-376
Societies and Academies, p. 376


Discussion and Correspondence
What is the Cause of the So Called Tobacco Fermentation?, pp. 376-377
Oscar Loew
The Anæsthetic Effects of a Sinusoidal Current of High Frequency, p. 377
E. W. Scripture


Notes on Physics, pp. 377-379
T. C. M.; W. S. F.; F. C. C.

Enzymes as Remedies in Infectious Diseases, p. 379
B. T. Galloway

Scientific Notes and News, pp. 379-383
University and Educational News, pp. 383-384

Previous Issue: New Series, Vol. 9, No. 218, Mar. 3, 1899
Next Issue: New Series, Vol. 9, No. 220, Mar. 17, 1899



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Science, New Series, Vol. 9, No. 220, Mar. 17, 1899


Previous Issue: New Series, Vol. 9, No. 219, Mar. 10, 1899
Next Issue: New Series, Vol. 9, No. 221, Mar. 24, 1899


Front Matter (2 pp.)
The Objective Presentation of Harmonic Motion, pp. 385-405
Carl Barus

The Work of the U. S. Fish Commission, pp. 406-407
Engineering and the Professions in Education, pp. 407-409
R. H. Thurston


Scientific Books
----------------, pp. 409-410
Die chemische Energie der lebenden Zellen
Oscar Loew
Review author[s]: Albert F. Woods
----------------, pp. 410-412
Physical Geography
William Morris Davis
Review author[s]: Albert Perry Brigham
General, p. 412


Societies and Academies, pp. 412-415


Discussion and Correspondence
The Importance of Establishing Specific Place-Modes, pp. 415-416
Chas. B. Davenport
Identity of Common and Labrador White-Fish, pp. 416-417
Tarleton H. Bean
A Date-Palm Scale Insect, p. 417
T. D. A. Cockerell
The Choice of Elements, p. 417
T. D.


Astronomical Notes, pp. 417-418
E. C. Pickering

Notes on Physics, pp. 418-420
W. S. F.; A. St. C. D.

Scientific Notes and News, pp. 420-424
University and Educational News, p. 424
Erratum, p. 424

Previous Issue: New Series, Vol. 9, No. 219, Mar. 10, 1899
Next Issue: New Series, Vol. 9, No. 221, Mar. 24, 1899



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Science, New Series, Vol. 9, No. 221, Mar. 24, 1899


Previous Issue: New Series, Vol. 9, No. 220, Mar. 17, 1899
Next Issue: New Series, Vol. 9, No. 222, Mar. 31, 1899


Front Matter (2 pp.)
The Early Tertiary Volcanoes of the Absaroka Range, pp. 425-442
Arnold Hague

The Physiological Basis of Mental Life, pp. 442-447
Hugo Münsterberg

Sophus Lie, pp. 447-448
George Bruce Halsted


Scientific Books
----------------, pp. 448-449
Colour in Nature: A Study in Biology
Marion J. Newbigin
Review author[s]: T. D. A. Cockerell
----------------, p. 450
The Dawn of Reason, or Mental Traits in the Lower Animals
James Weir
Review author[s]: Edward Thorndike


Scientific Journals and Articles, pp. 450-452
Societies and Academies, pp. 452-455


Discussion and Correspondence
On the Making of Solutions, p. 455
M. A. Willcox
The Origin of Nightmare, pp. 455-456
G. V. D.


Astronomical Notes, p. 456
Edward C. Pickering

Notes on Physics, pp. 456-457
W. S. F.

Notes on Inorganic Chemistry, pp. 457-458
J. L. H.

Current Notes on Meteorology, pp. 458-459
R. DeC. Ward

Zoological Notes, pp. 459-460
F. A. L.

Scientific Notes and News, pp. 460-464
University and Educational News, p. 464

Previous Issue: New Series, Vol. 9, No. 220, Mar. 17, 1899
Next Issue: New Series, Vol. 9, No. 222, Mar. 31, 1899



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Science, New Series, Vol. 9, No. 222, Mar. 31, 1899


Previous Issue: New Series, Vol. 9, No. 221, Mar. 24, 1899
Next Issue: New Series, Vol. 9, No. 223, Apr. 7, 1899


Front Matter (1 p.)
A National Observatory, pp. 465-467
Discussion of a National Observatory, pp. 467-476
Simon Newcomb; Asaph Hall; C. A. Young; T. C. Mendenhall; R. S. Woodward; C. L. Doolittle; W. H. Pickering; Arthur Searle; Frank W. Very; David P. Todd; G. W. Myers; E. A. Fuertes; W. L. Elkin; James E. Keeler

The Atomic Weights--A Quarter Century's Progress, pp. 477-478
F. P. Venable

Hermaphroditism in Ostrea Lurida, pp. 478-479
F. L. Washburn

Agricultural Electrotechnics, pp. 480-481
R. H. Thurston


Scientific Books
----------------, pp. 481-485
Geology of the Edwards Plateau and Rio Grande Plain Adjacent to Austin and San Antonio, Texas, with Reference to the Occurrence of Underground Waters
Robert T. Hill; T. Wayland Vaughan
Review author[s]: Frederic W. Simonds
----------------, p. 485
A Handbook of Medical Climatology
S. Edwin Solly
Review author[s]: G. Hinsdale


Scientific Journals and Articles, pp. 485-486
Societies and Academies, pp. 486-488


Discussion and Correspondence
Plymouth, England, and its Marine Biological Laboratory, pp. 488-490
The Duplication of Geologic Formation Names, pp. 490-491
F. B. Weeks
The Berlin Tuberculosis Congress, pp. 491-492
Ch. Wardell Stiles


Astronomical Notes, pp. 492-493
Winslow Upton

Notes on Physics, pp. 493-494
F. C. C.

The Bequests of the Late Professor Marsh, p. 494
Scientific Notes and News, pp. 494-496
University and Educational News, p. 496

Previous Issue: New Series, Vol. 9, No. 221, Mar. 24, 1899
Next Issue: New Series, Vol. 9, No. 223, Apr. 7, 1899



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Science, New Series, Vol. 9, No. 223, Apr. 7, 1899


Previous Issue: New Series, Vol. 9, No. 222, Mar. 31, 1899
Next Issue: New Series, Vol. 9, No. 224, Apr. 14, 1899


Front Matter (3 pp.)
The Fresh-Water Biological Stations of the World, pp. 497-508
Henry B. Ward

Brunissure of the Vine and Other Plants, pp. 508-510
Albert F. Woods

An Automatic Mercury Pump, pp. 510-511
Ralph R. Lawrence


Scientific Books
----------------, pp. 511-513
The Wonderful Century
Alfred Russell Wallace
Review author[s]: W. K. Brooks
----------------, pp. 513-514
The Principles of Bacteriology
Ferdinand Hueppe
Review author[s]: H. W. C.
----------------, p. 515
The Elements of Graphic Statics
L. M. Hoskins
Review author[s]: Fred'k N. Willson
General, pp. 515-516


Scientific Journals and Articles, p. 517
Societies and Academies, pp. 517-520


Discussion and Correspondence
Some Suggestions for Scientific Seminars and Conferences, pp. 520-521
Richard E. Dodge
A Remarkable Sun-Dog, pp. 521-522
H. L. Osborn
Degrees in Science at Harvard University, pp. 522-523
J. McKeen Cattell


Scientific Appointments Under the Government, pp. 523-524
Scientific Notes and News, pp. 524-528
University and Educational News, p. 528

Previous Issue: New Series, Vol. 9, No. 222, Mar. 31, 1899
Next Issue: New Series, Vol. 9, No. 224, Apr. 14, 1899



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Science, New Series, Vol. 9, No. 224, Apr. 14, 1899


Previous Issue: New Series, Vol. 9, No. 223, Apr. 7, 1899
Next Issue: New Series, Vol. 9, No. 225, Apr. 21, 1899


Front Matter (1 p.)
A Sage in Science, pp. 529-532
David Starr Jordan


Field-Work of the Jesup North Pacific Expedition in 1898
The Indians of Western Washington, pp. 532-535
Livingston Farrand
Archæological Investigations on the North Pacific Coast of America, pp. 535-539
Harlan I. Smith
Archæological Investigations on the Amoor River, pp. 539-541
Gerard Fowke


On Biological Text-Books and Teachers, pp. 541-545
O. F. Cook


Scientific Books
----------------, pp. 545-547
Text-Book of General Physics for the Use of Colleges and Scientific Schools
Charles S. Hastings; Frederick E. Beach
Review author[s]: J. S. Ames
----------------, pp. 547-548
The Principles of Stratigraphical Geology
J. E. Marr
Review author[s]: Henry S. Williams
----------------, p. 548
The Examination of Water (Chemical and Bacteriological)
William P. Mason
Review author[s]: Edwin O. Jordan
----------------, pp. 548-549
A Monograph of the North American Potentilleae
Per Axel Rydberg
Review author[s]: Charles E. Bessey


Scientific Journals and Articles, p. 549
Societies and Academies, pp. 550-553


Discussion and Correspondence
`The Evolution of Modesty', pp. 553-554
Hiram M. Stanley
Transmitted Characteristics in a White Angora Cat, p. 554
John W. Harshberger
Osmotic Solutions, pp. 554-555
G. Macloskie


Notes on Physics, p. 555
F. C. C.

Botanical Notes, pp. 555-557
Charles E. Bessey

The Brain of Hermann Von Helmholtz, p. 557
Scientific Notes and News, pp. 557-559
University and Educational News, pp. 559-560

Previous Issue: New Series, Vol. 9, No. 223, Apr. 7, 1899
Next Issue: New Series, Vol. 9, No. 225, Apr. 21, 1899



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Science, New Series, Vol. 9, No. 225, Apr. 21, 1899


Previous Issue: New Series, Vol. 9, No. 224, Apr. 14, 1899
Next Issue: New Series, Vol. 9, No. 226, Apr. 28, 1899


Front Matter (3 pp.)
Othniel Charles Marsh, pp. 561-565
J. L. Wortman

Some Misapprehensions as to the Simplified Nomenclature of Anatomy, pp. 566-581
Burt G. Wilder

The Breeding of Animals at Woods Hole During the Month of September, 1898, pp. 581-583
M. T. Thompson

Economics in Manufactures, pp. 583-586
R. H Thurston


Scientific Books
----------------, pp. 586-588
Analytic Functions
J. Harkness; F. Morley
Review author[s]: James Pierpont
----------------, pp. 588-589
A Handbook of Metallurgy
Carl Schnabel
Review author[s]: J. Struthers


Societies and Academies, pp. 590-592


Discussion and Correspondence
Duplication of Geologic Formation Names, pp. 592-593
George M. Dawson
On the Names of Certain North American Fossil Vertebrates, pp. 593-594
O. P. Hay
The Fundamental Law of Temperature for Gaseous Celestial Bodies, pp. 594-595
W. S. Franklin


Notes on Inorganic Chemistry, pp. 595-596
J. L. H.

The Naples Zoological Station, pp. 596-597
Scientific Notes and News, pp. 597-600
University and Educational News, p. 600

Previous Issue: New Series, Vol. 9, No. 224, Apr. 14, 1899
Next Issue: New Series, Vol. 9, No. 226, Apr. 28, 1899



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Science, New Series, Vol. 9, No. 226, Apr. 28, 1899


Previous Issue: New Series, Vol. 9, No. 225, Apr. 21, 1899
Next Issue: New Series, Vol. 9, No. 227, May 5, 1899


Front Matter (2 pp.)
The Revival of Inorganic Chemistry, pp. 601-615
H. N. Stokes

On the Total Solar Eclipse of May 28, 1900, pp. 615-616
Truman Henry Safford

Reception and Exhibition of the New York Academy of Sciences, pp. 616-618
William Hallock


Scientific Books
----------------, pp. 618-619
Lectures on the Evolution of Plants
Douglas Houghton Campbell
Review author[s]: Charles E. Bessey
----------------, pp. 619-620
Die Spiele der Menschen
Karl Groos
Review author[s]: Hiram M. Stanley


Scientific Journals and Articles, pp. 620-621
Societies and Academies, pp. 621-624


Discussion and Correspondence
On the Action of the Coherer, pp. 624-625
M. H. Lockwood; E. B. Wheeler
Two-Headed Snakes, p. 625
Roswell H. Johnson
Duplication of Geologic Formation Names, pp. 625-626
F. B. Weeks


Notes on Inorganic Chemistry, p. 626
J. L. H.

Current Notes on Meteorology, p. 627
R. DeC. Ward

Scientific Notes and News, pp. 628-631
University and Educational News, pp. 631-632

Previous Issue: New Series, Vol. 9, No. 225, Apr. 21, 1899
Next Issue: New Series, Vol. 9, No. 227, May 5, 1899



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Science, New Series, Vol. 9, No. 227, May 5, 1899


Previous Issue: New Series, Vol. 9, No. 226, Apr. 28, 1899
Next Issue: New Series, Vol. 9, No. 228, May 12, 1899


Front Matter (1 p.)
`Observations of the Planet Mars.', pp. 633-637
G. Schiaparelli

On the Development by Selection of Supernumerary Mammæ in Sheep, pp. 637-639
Latest Volcanic Eruptions of the Pacific Coast, pp. 639-640
J. S. Diller

The Prospective Place of the Solar Azimuth Tables in the Problem of Accelerating Ocean Transit, pp. 640-642
G. W. Littlehales

Some New American Fossil Fishes, pp. 642-643
Charles R. Eastman

Rapidity of Sand-Plain Growth, pp. 643-644
Myron L. Fuller

Proposed Survey of the Nile, pp. 644-647


Scientific Books
----------------, pp. 647-648
Birds
A. H. Evans
Review author[s]: J. A. A.
----------------, pp. 648-650
Experimental Morphology
Charles B. Davenport
Review author[s]: T. H. Morgan
----------------, pp. 650-651
General Physiology
Max Verworn
Review author[s]: D. T. MacDougal
General, p. 651


Scientific Journals and Articles, pp. 651-652
Societies and Academies, pp. 652-654


Discussion and Correspondence
Messrs. Lehmann and Hansen on Telepathy, pp. 654-655
William James
Two Corrections, p. 655
B. G. Wilder
Two Corrections, p. 655
B. G. Wilder


Notes on Physics, pp. 655-656
A. St. C. D.

Notes on Inorganic Chemistry, pp. 656-657
J. L. H.

Current Notes on Meteorology, pp. 657-658
R. DeC. Ward

A New Marine Biological Laboratory, pp. 658-659
Hugh M. Smith

Theory of the Steam Engine, p. 659
R. H. Thurston

The Philadelphia Exposition of 1900, pp. 659-660
Scientific Notes and News, pp. 660-664
University and Educational News, p. 664

Previous Issue: New Series, Vol. 9, No. 226, Apr. 28, 1899
Next Issue: New Series, Vol. 9, No. 228, May 12, 1899



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Science, New Series, Vol. 9, No. 228, May 12, 1899


Previous Issue: New Series, Vol. 9, No. 227, May 5, 1899
Next Issue: New Series, Vol. 9, No. 229, May 19, 1899


Front Matter (2 pp.)
The Age of the Earth as an Abode Fitted for Life, pp. 665-674
The Posthom Phantom: A Study in the Spontaneous Activity of Shadows, pp. 674-681
David Starr Jordan


Scientific Books
----------------, pp. 682-683
A Short History of Astronomy
Arthur Berry
Review author[s]: David P. Todd
----------------, pp. 683-684
De la methode dans la psychologie des sentiments
F. Rauh
Review author[s]: Hiram M. Stanley


Societies and Academies, pp. 684-686


Discussion and Correspondence
Professor James on Telepathy, pp. 686-687
E. B. Titchener


Notes on Physics, pp. 687-688
A. St.C. D.

Notes on Inorganic Chemistry, pp. 688-689
J. L. H.

Botanical Notes, pp. 689-690
Charles E. Bessey

The Forests of Canada, pp. 690-691
An Exhibition of Geographical and Geological Material, p. 691
Scientific Notes and News, pp. 692-695
University and Educational News, pp. 695-696

Previous Issue: New Series, Vol. 9, No. 227, May 5, 1899
Next Issue: New Series, Vol. 9, No. 229, May 19, 1899



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Science, New Series, Vol. 9, No. 229, May 19, 1899


Previous Issue: New Series, Vol. 9, No. 228, May 12, 1899
Next Issue: New Series, Vol. 9, No. 230, May 26, 1899


Front Matter (3 pp.)
Carl Friedrich Gauss and His Children, pp. 697-704
Florian Cajori

The Age of the Earth as an Abode Fitted for Life, pp. 704-711
Kelvin

Mental Fatigue, pp. 712-713
Edward Thorndike


Scientific Books
----------------, pp. 713-715
The Development of English Thought: A Study in the Economic Interpretation of History
Simon N. Patten
Review author[s]: R. M. Wenley
----------------, pp. 715-717
Peruvian Meteorology, 1888-1890
Solon I. Bailey
Review author[s]: R. DeC. Ward
----------------, p. 717
The Elements of Physical Chemistry
J. Livingston R. Morgan
Review author[s]: Harry C. Jones


Scientific Journals and Articles, p. 718
Societies and Academies, pp. 718-720


Discussion and Correspondence
The Storage of Pamphlets, pp. 720-721
F. A. Bather


The Marine Biological Laboratory at Wood's Holl, pp. 721-722
Geological Expedition of Dr. Becker to the Philippines, pp. 722-723
W. F. M.

Conversazione of the Royal Society, pp. 723-724
Scientific Notes and News, pp. 724-728
University and Educational News, p. 728

Previous Issue: New Series, Vol. 9, No. 228, May 12, 1899
Next Issue: New Series, Vol. 9, No. 230, May 26, 1899



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Science, New Series, Vol. 9, No. 230, May 26, 1899


Previous Issue: New Series, Vol. 9, No. 229, May 19, 1899
Next Issue: New Series, Vol. 9, No. 231, Jun. 2, 1899


Front Matter (2 pp.)
A Magnetic Survey of the United States by the Coast and Geodetic Survey, pp. 729-732
Henry S. Pritchett

The Jesup North Pacific Expedition, pp. 732-734
On the Brightness of Pigments by Oblique Vision, pp. 734-737
Frank P. Whitman

An Extension of Helmholtz's Theory of the Heat of the Sun, pp. 737-740
T. J. J. See

On the New Genus of Lamprey, Macrophthalmia Chilensis, p. 740
Bashford Dean

Note on the Spawning Season of the Eel, pp. 740-741
Eugene G. Blackford

Evolution of the Embouchure in North American Indian Flageolets, pp. 742-743
E. H. Hawley


Scientific Books
----------------, pp. 743-745
Traité élémentaire de météorologie
Alfred Angot
Review author[s]: Frank Waldo
----------------, pp. 745-746
The Genesis and Dissolution of the Faculty of Speech
Joseph Collins
Review author[s]: E. W. T.
----------------, pp. 746-747
Codex Borbonicus
M. E.-T. Hamy
Review author[s]: M. H. Saville
----------------, pp. 747-749
Pflanzengeographie auf Physiologischer Grundlage
A. F. W. Schimper
Review author[s]: Frederic E. Clements
----------------, pp. 749-750
Victor Von Richter's Organic Chemistry
R. Anschütz
Review author[s]: E. Renouf
----------------, p. 750
Physical Chemistry for Beginners
Ch. Van Deventer
Review author[s]: Harry C. Jones


Scientific Journals and Articles, pp. 750-751
Societies and Academies, pp. 751-752


Discussion and Correspondence
Telepathy Once More, pp. 752-753
William James
On the Wehnelt Current Breaker, p. 753
Howard McClenahan


Thermodynamic Action of `Steam-Gas.', pp. 753-755
R. H. Thurston

The Removal of Dr. Wortman to the Carnegie Museum, p. 755
H. F. O.

Scientific Notes and News, pp. 755-759
University and Educational News, pp. 759-760

Previous Issue: New Series, Vol. 9, No. 229, May 19, 1899
Next Issue: New Series, Vol. 9, No. 231, Jun. 2, 1899



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Science, New Series, Vol. 9, No. 231, Jun. 2, 1899


Previous Issue: New Series, Vol. 9, No. 230, May 26, 1899
Next Issue: New Series, Vol. 9, No. 232, Jun. 9, 1899


Front Matter (1 p.)
The International Catalogue of Scientific Literature.--Second Conference, pp. 761-771
Cyrus Adler

Color-Weakness and Color-Blindness, pp. 771-774
E. W. Scripture

American Climatological Association, pp. 774-775
Guy Hinsdale


Scientific Books
Some Smithsonian Publications, pp. 775-783
Annual Report of the Board of Regents of the Smithsonian Institution, Showing the Operations, Expenditures and Conditions of the Institution to July, 1896
Annual Report of the Board of Regents of the Smithsonian Institution, Showing the Operations, Expenditures and Conditions of the Institution for the Year Ending June 30, 1896
Proceedings of the United States National Museum
Introductory Logic
James Edwin Creighton
Review author[s]: F. A. Bather; George Rebec


Scientific Journals and Articles, pp. 783-784
Societies and Academies, pp. 784-786


Discussion and Correspondence
The Telepathic Question, p. 787
E. B. Titchener


Current Notes on Meteorology, pp. 787-788
R. DeC. Ward

A Bryological Memorial Meeting, p. 788
Scientific Notes and News, pp. 788-791
University and Educational News, pp. 791-792

Previous Issue: New Series, Vol. 9, No. 230, May 26, 1899
Next Issue: New Series, Vol. 9, No. 232, Jun. 9, 1899



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Science, New Series, Vol. 9, No. 232, Jun. 9, 1899


Previous Issue: New Series, Vol. 9, No. 231, Jun. 2, 1899
Next Issue: New Series, Vol. 9, No. 233, Jun. 16, 1899


Front Matter (2 pp.)
Senatorial Investigation of Food Adulteration, pp. 793-795
Amerind--A Designation for the Aboriginal Tribes of the American Hemisphere, pp. 795-796
Exploring Expedition to the Mid-Pacific Ocean, pp. 796-798
Hugh M. Smith

The Scientific Study of Irrigation, pp. 798-799
A. C. True

The International Catalogue of Scientific Literature.--Second Conference, pp. 799-808
Cyrus Adler

A Double Instrument and a Double Method for the Measurement of Sound, pp. 808-811
Benjamin F. Sharpe

New York State Science Teachers Association, pp. 811-813
Franklin W. Barrows


Scientific Books
----------------, pp. 813-817
Urkunden zur Geschichte der nichteuklidischen Geometrie
F. Engel; P. Staeckel
Review author[s]: George Bruce Halsted
----------------, p. 817
The Spirit of Organic Chemistry
Arthur Lachman
Review author[s]: James F. Norris
----------------, p. 818
Commercial Organic Analysis
Alfred H. Allen
Review author[s]: W. A. Noyes


Societies and Academies, pp. 818-820


Discussion and Correspondence
Larval Stage of the Eel, p. 820
Theo. Gill


Scientific Notes and News, pp. 820-824
University and Educational News, p. 824

Previous Issue: New Series, Vol. 9, No. 231, Jun. 2, 1899
Next Issue: New Series, Vol. 9, No. 233, Jun. 16, 1899



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Science, New Series, Vol. 9, No. 233, Jun. 16, 1899


Previous Issue: New Series, Vol. 9, No. 232, Jun. 9, 1899
Next Issue: New Series, Vol. 9, No. 234, Jun. 23, 1899


Front Matter (2 pp.)
On the International Catalogue of Scientific Literature of the Royal Society, pp. 825-835
J. Victor Carus

Some Common Sources of Error in Recent Work on Coccidæ, pp. 835-837
C. L. Marlatt

The Royal Institution, pp. 838-842


Scientific Books
----------------, pp. 842-844
The Elements of Practical Astronomy
W. W. Campbell
Review author[s]: G. C. C.
----------------, pp. 844-846
Infinitesimal Analysis
William Benjamin Smith
Review author[s]: C. J. Keyser
----------------, pp. 846-847
Defective Eyesight; The Principles of Its Relief by Glasses
D. B. St. John Roosa
Review author[s]: C. A. O.


Societies and Academies, pp. 847-850


Discussion and Correspondence
Cerebral Light: Further Observations, pp. 850-851
E. W. Scripture


Professor Simon Newcomb, p. 851
Scientific Notes and News, pp. 851-856
University and Educational News, p. 856

Previous Issue: New Series, Vol. 9, No. 232, Jun. 9, 1899
Next Issue: New Series, Vol. 9, No. 234, Jun. 23, 1899



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Science, New Series, Vol. 9, No. 234, Jun. 23, 1899


Previous Issue: New Series, Vol. 9, No. 233, Jun. 16, 1899
Next Issue: New Series, Vol. 9, No. 235, Jun. 30, 1899


Front Matter (2 pp.)
United States Naval Observatory, pp. 857-859
The Diffraction Process of Color Photography, pp. 859-862
R. W. Wood

The Mental Fatigue Due to School Work, pp. 862-864
Edward Thorndike

The International Catalogue of Scientific Literature, pp. 864-872
The Stokes Jubilee, p. 872


Scientific Books
----------------, pp. 872-874
A Text-Book of Physics--Sound
J. H. Poynting; J. J. Thomson
Review author[s]: W. Le Conte Stevens
----------------, pp. 874-875
Photographic Optics
R. S. Cole
Review author[s]: Frank Waldo


Societies and Academies, pp. 875-877


Discussion and Correspondence
Totemism, pp. 877-878
Hiram M. Stanley
Arousal of an Instinct by Taste Only, p. 878
E. W. Scripture


Current Notes on Meteorology, pp. 878-880
R. DeC. Ward

Botanical Notes, pp. 880-882
Charles E. Bessey

The American Association for the Advancement of Science, p. 882
The Centenary of the Royal Institution, pp. 882-883
Scientific Notes and News, pp. 884-887
University and Educational News, pp. 887-888

Previous Issue: New Series, Vol. 9, No. 233, Jun. 16, 1899
Next Issue: New Series, Vol. 9, No. 235, Jun. 30, 1899



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Science, New Series, Vol. 9, No. 235, Jun. 30, 1899


Previous Issue: New Series, Vol. 9, No. 234, Jun. 23, 1899
Next Issue: New Series, Vol. 10, No. 236, Jul. 7, 1899


Front Matter (2 pp.)
Lord Kelvin's Address on the Age of the Earth as an Abode Fitted for Life, pp. 889-901
T. C. Chamberlin

Perspective Illusions from the Use of Myopic Glasses, pp. 901-905
Robert MacDougall

Birds as Weed Destroyers, pp. 905-906
Sylvester D. Judd

The Biology of the Great Lakes, pp. 906-907
Jacob Reighard

The International Catalogue of Scientific Literature, pp. 907-909


Scientific Books
----------------, pp. 909-910
Talks to Teachers on Psychology, and to Students on Some of Life's Ideals
William James
Review author[s]: Charles DeGarmo
----------------, pp. 910-911
Wetterprognosen und Wetterberichte des XV. und XVI. Jahrhunderts. No. 12, Neudrucke von Schriften und Karten über Meteorologie und Erdmagnetismus herausgegeben
G. Hellmann
Review author[s]: A. L. Rotch


Scientific Journals and Articles, pp. 911-912
Societies and Academies, pp. 912-914
Professor Dewar on Liquid Hydrogen, pp. 914-915
Automatic Ship-Propulsion, pp. 915-916
R. H. T.

Remeasurement of the Arc of Peru, p. 916
Leland Stanford Jr. University, p. 916
Scientific Notes and News, pp. 917-919
University and Educational News, pp. 919-920

Previous Issue: New Series, Vol. 9, No. 234, Jun. 23, 1899
Next Issue: New Series, Vol. 10, No. 236, Jul. 7, 1899



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Science, New Series, Vol. 10, No. 236, Jul. 7, 1899


Previous Issue: New Series, Vol. 9, No. 235, Jun. 30, 1899
Next Issue: New Series, Vol. 10, No. 237, Jul. 14, 1899


Volume Information (8 pp.)
Front Matter (2 pp.)
Knowledge and Practice, pp. 1-11
Charles Sedgwick Minot

Lord Kelvin's Address on the Age of the Earth as an Abode Fitted for Life, pp. 11-18
T. C. Chamberlin

A Dangerous European Scale Insect not Hitherto Reported, But Already Well Established in This Country, pp. 18-20
C. L. Marlatt

Cross-Education, pp. 20-21
Walter W. Davis


Scientific Books
----------------, pp. 21-22
The History of Mankind
Friedrich Ratzel
Review author[s]: O. T. Mason
----------------, pp. 22-23
Canada Experimental Farms Reports 1891-1898
Review author[s]: Walter H. Evans


Scientific Journals and Articles, pp. 23-24
Societies and Academies, pp. 24-27
Botanical Notes, pp. 27-28
Charles E. Bessey

Measurements of Asylum Children, p. 29
F. A. L.

Scientific Notes and News, pp. 29-32
University and Educational News, p. 32

Previous Issue: New Series, Vol. 9, No. 235, Jun. 30, 1899
Next Issue: New Series, Vol. 10, No. 237, Jul. 14, 1899



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Science, New Series, Vol. 10, No. 237, Jul. 14, 1899


Previous Issue: New Series, Vol. 10, No. 236, Jul. 7, 1899
Next Issue: New Series, Vol. 10, No. 238, Jul. 21, 1899


Front Matter (2 pp.)
The Structure of Protoplasm, pp. 33-45
Edmund B. Wilson

Pictures in Three Dimensions, pp. 45-46
C. Ladd Franklin

The International Catalogue of Scientific Literature, pp. 46-50
The Royal Society of Canada, pp. 50-52
H. M. Ami


Scientific Books
----------------, pp. 52-54
The Anatomy of the Central Nervous System of Man and of Vertebrates in General
Ludwig Edinger
Review author[s]: C. L. Herrick
----------------, pp. 54-55
The Characters of Crystals, an Introduction to Physical Crystallography
Alfred J. Moses
Review author[s]: A. S. Eakle
----------------, p. 55
Algebra for Schools
George W. Evans
Review author[s]: C. J. Keyser
----------------, pp. 55-56
The Emotion of Joy
George Van Ness Dearborn
Review author[s]: Hiram M. Stanley


Scientific Journals and Articles, pp. 56-57


Discussion and Correspondence
The U. S. Naval Observatory, pp. 57-58
A. Hall
Cerebral Light Again, p. 58
Joseph Le Conte
Pot-Hole Vs. Remolino, p. 58
Oscar H. Hershey


Astronomical Notes, pp. 58-59
Winslow Upton

Recent Progress in the Examination of Foods and Drugs, pp. 59-60
Henry Kraemer

The Decennial of Clark University, p. 61
Professor Beecher's Gift to Yale University, p. 61
Proposed Inscriptions for the Statue of Darwin, pp. 61-62
Scientific Notes and News, pp. 62-64
University and Educational News, p. 64

Previous Issue: New Series, Vol. 10, No. 236, Jul. 7, 1899
Next Issue: New Series, Vol. 10, No. 238, Jul. 21, 1899



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Science, New Series, Vol. 10, No. 238, Jul. 21, 1899


Previous Issue: New Series, Vol. 10, No. 237, Jul. 14, 1899
Next Issue: New Series, Vol. 10, No. 239, Jul. 28, 1899


Front Matter (1 p.)
The Royal Botanic Gardens at Kew, pp. 65-75
Lucien Marcus Underwood

Absorption in Vertebrate Intestinal Cells, pp. 75-80
Howard Crawley


Scientific Books
----------------, pp. 80-81
Zoological Results Based on Material from New Britain, New Guinea, Loyalty Islands and Elsewhere, Collected During the Years 1895, 1896 and 1897
Arthur Willey
Review author[s]: G. H. P.
----------------, pp. 81-82
Traité élémentaire de mécanique chimique, fondée sur la thermodynamique
P. Duhem
Review author[s]: Wilder D. Bancroft
----------------, pp. 82-83
Le céramique ancienne et moderne
E. Guignet; Edouard Garnier
Review author[s]: Thomas Wilson
----------------, pp. 83-84
A Short History of Freethought, Ancient and Modern
John M. Robertson
Review author[s]: R. M. Wenley


Scientific Journals and Articles, pp. 84-85
Societies and Academies, p. 85


Discussion and Correspondence
Body Blight of Pear Trees, pp. 85-86
W. Paddock
Formation of Cumulus Clouds Over a Fire, p. 86
S. P. Fergusson
A Reply to Mr. Marlatt's Article on Sources of Error in Recent Work on Coccidæ, pp. 86-88
T. D. A. Cockerell
Pot-Hole Vs. Remolino, p. 88
F. F. Hilder


Notes on Inorganic Chemistry, pp. 88-89
J. L. H.

Current Notes on Meteorology, pp. 89-90
R. De C. Ward

Sir William Flower, pp. 90-91
Scientific Notes and News, pp. 91-95
University and Educational News, p. 96

Previous Issue: New Series, Vol. 10, No. 237, Jul. 14, 1899
Next Issue: New Series, Vol. 10, No. 239, Jul. 28, 1899



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Science, New Series, Vol. 10, No. 239, Jul. 28, 1899


Previous Issue: New Series, Vol. 10, No. 238, Jul. 21, 1899
Next Issue: New Series, Vol. 10, No. 240, Aug. 4, 1899


Front Matter (2 pp.)
The Nicaragua Canal Route, pp. 97-104
C. Willard Hayes

Transparency and Opacity, pp. 104-107
R.

Distribution of the Keewatin in Minnesota, pp. 107-110
C. W. Hall

The Association of American Agricultural Colleges and Experiment Stations, pp. 110-113
A. C. True

International Conference on Hybridization, pp. 113-116


Scientific Books
----------------, pp. 116-118
German Higher Schools: The History, Organization and Methods of Secondary Education in Germany
James E. Russell
Review author[s]: Christine Ladd Franklin
----------------, pp. 118-119
The Native Tribes of Central Australia
Spencer Baldwin; F. J. Gillen
Review author[s]: Hiram M. Stanley
----------------, p. 119
Guide to Excursions in the Fossiliferous Rocks of New York State
John M. Clarke
Review author[s]: C. S.


Scientific Journals and Articles, pp. 119-120


Discussion and Correspondence
About a Reform in Nomenclature, pp. 120-121
A. L. Herrera
Tides and Currents in Canadian Waters, p. 121
Natural History of the Tres Maria Islands, Mexico, p. 121
Robert E. C. Stearns


Notes on Inorganic Chemistry, pp. 121-122
J. L. H.

Recent Progress in the Examination of Foods and Drugs, pp. 122-124
Henry Kraemer

Position of Women in Babylonia, p. 124
W J M.

American Mathematical Society, p. 125
Scientific Notes and News, pp. 125-128
University and Educational News, p. 128

Previous Issue: New Series, Vol. 10, No. 238, Jul. 21, 1899
Next Issue: New Series, Vol. 10, No. 240, Aug. 4, 1899



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Science, New Series, Vol. 10, No. 240, Aug. 4, 1899


Previous Issue: New Series, Vol. 10, No. 239, Jul. 28, 1899
Next Issue: New Series, Vol. 10, No. 241, Aug. 11, 1899


Front Matter (4 pp.)
Doctorates Conferred by American Universities, pp. 129-133
The International Catalogue of Scientific Literature, pp. 133-143
Herbert Haviland Field

The Australasian Association for the Advancement of Science, pp. 143-146
A. Liversidge

The Red Color of the Salt Lakes in the Wadi Natroun, pp. 146-147
J. Dewitz


Scientific Books
----------------, pp. 147-148
Man: Past and Present
A. H. Keane
Review author[s]: O. T. Mason
----------------, pp. 148-150
The Story of the Mind
James Mark Baldwin
Review author[s]: G. M. Stratton
----------------, p. 150
How to Know the Ferns
Frances Theodora Parsons
Review author[s]: L. M. Underwood


Scientific Journals and Articles, p. 151
Societies and Academies, pp. 151-153


Discussion and Correspondence
On the U. S. Naval Observatory, p. 153
Truman Henry Safford
Cerebral Light, pp. 153-154
E. B. Wheeler


Notes on Inorganic Chemistry, pp. 154-155
J. L. H.

Cannibalism in Queensland, pp. 155-156
W J M

Proposed Inscription for the Statue of Darwin, p. 156
The National Zoological Park, pp. 156-157
Scientific Notes and News, pp. 157-160
University and Educational News, p. 160

Previous Issue: New Series, Vol. 10, No. 239, Jul. 28, 1899
Next Issue: New Series, Vol. 10, No. 241, Aug. 11, 1899



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Science, New Series, Vol. 10, No. 241, Aug. 11, 1899


Previous Issue: New Series, Vol. 10, No. 240, Aug. 4, 1899
Next Issue: New Series, Vol. 10, No. 242, Aug. 18, 1899


Front Matter (1 p.)
The Columbus Meeting of the American Association for the Advancement of Science, pp. 161-165
The International Catalogue of Scientific Literature, pp. 165-174
The Danger of Indiscriminate Acclimatization in the Case of Mammals and Birds, pp. 174-176
T. S. Palmer

The Mental Effects of the Weather, pp. 176-180
Edwin G. Dexter


Scientific Books
Some Recent Works on Mechanics, pp. 180-185
Theoretical Mechanics, an Introductory Treatise on the Principles of Dynamics, with Applications and Numerous Examples
A.E.H. Love
Vorlesungen über theoretische Physik von H. von Helmholtz
Arthur König; Otto Krigar-Menzel; Franz Richarz; Carl Runge
Social Phases of Education in the School and the Home
Samuel T. Dutton
Who's Who in America?
John W. Leonard
Review author[s]: R. S. W.; W J M


Scientific Journals and Articles, p. 185
Societies and Academies, p. 185


Discussion and Correspondence
Anaglyphs and Stereoscopic Projection, pp. 185-187
E. W. Scripture
Pot-Hole Vs. Remolino, p. 187
Oliver C. Farrington


Notes on Inorganic Chemistry, pp. 187-188
J. L. H.

Botanical Notes, pp. 188-190
Charles E. Bessey

The School of Geography at Oxford University, p. 190
R. E. D.

Scientific Notes and News, pp. 190-192
University and Educational News, p. 192

Previous Issue: New Series, Vol. 10, No. 240, Aug. 4, 1899
Next Issue: New Series, Vol. 10, No. 242, Aug. 18, 1899



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Science, New Series, Vol. 10, No. 242, Aug. 18, 1899


Previous Issue: New Series, Vol. 10, No. 241, Aug. 11, 1899
Next Issue: New Series, Vol. 10, No. 243, Aug. 25, 1899


Front Matter (2 pp.)
Daniel G. Brinton, pp. 193-196
W J M

Presidential Address Before the Society for the Promotion of Engineering Education, pp. 196-203
T. C. Mendenhall

Work of the U. S. Geological Survey, pp. 203-213
Bailey Willis


Scientific Books
Poincaré's Cours De Physique Mathématique, pp. 213-217
Théorie du potentiel Newtonien
H. Poincaré
Cinématique et mécanismes, potentiel et mécanique des fluides
H. Poincaré
The Elements of Vital Statistics
Arthur Newsholme
Review author[s]: R. S. W.; Walter F. Willcox


Societies and Academies, pp. 217-218


Discussion and Correspondence
The Foehn Winds of Switzerland, pp. 218-219
Charles Bundy Wilson
The Opening of the Mouth as Expression, p. 219
Hiram M. Stanley


Astronomical Notes, pp. 219-220
Winslow Upton

Notes on Physics, pp. 220-221
F. C. C.

Notes on Inorganic Chemistry, pp. 221-222
J. L. H.

Scientific Notes and News, pp. 222-224
University and Educational News, p. 224

Previous Issue: New Series, Vol. 10, No. 241, Aug. 11, 1899
Next Issue: New Series, Vol. 10, No. 243, Aug. 25, 1899



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Science, New Series, Vol. 10, No. 243, Aug. 25, 1899


Previous Issue: New Series, Vol. 10, No. 242, Aug. 18, 1899
Next Issue: New Series, Vol. 10, No. 244, Sep. 1, 1899


Front Matter (1 p.)
A Problem in American Anthropology, pp. 225-236
Frederic Ward Putnam

The Field of Experimental Research, pp. 236-245
Elihu Thomson

Phosphorescent Substances at Liquid-Air Temperatures, pp. 245-249
C. C. Trowbridge


Scientific Books
----------------, pp. 249-251
Synopsis of the Recent and Tertiary Leptonacea of North America and the West Indies
William H. Dall
The Mollusca of Funafuti. Part I., Gastropoda
Charles Hedley
Review author[s]: Katharine J. Bush
----------------, pp. 251-252
`Über die thermo- und piezo-elektrischen Eigenschaften der Krystalle des ameisensauren Baryts, Bleioxyds, Strontians und Kalkes, des Schwefelsauren Kalis, des Glycocolls, Taurins und Quercits.'
W. G. Hankel
Review author[s]: A. J. M.


Scientific Journals and Articles, p. 252


Discussion and Correspondence
On Graduate Study, pp. 252-253
Charles Bundy Wilson
Notes on the Nomenclature of Some North American Fossil Vertebrates, pp. 253-254
O. P. Hay
The Proper Name of the Polar Bear, p. 254
James A. G. Rehn
The International Catalogue of Scientific Literature, pp. 254-256
Herbert Haviland Field


Notes on Inorganic Chemistry, pp. 256-257
J. L. H.

The British Museum, pp. 257-258
Uniformity in Size of Pages of Scientific Publications, p. 258
Standard Measuring Instruments, pp. 258-259
Scientific Notes and News, pp. 259-264
University and Educational News, p. 264

Previous Issue: New Series, Vol. 10, No. 242, Aug. 18, 1899
Next Issue: New Series, Vol. 10, No. 244, Sep. 1, 1899



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Science, New Series, Vol. 10, No. 244, Sep. 1, 1899


Previous Issue: New Series, Vol. 10, No. 243, Aug. 25, 1899
Next Issue: New Series, Vol. 10, No. 245, Sep. 8, 1899


Front Matter (2 pp.)


The American Association for the Advancement of Science
The Columbus and New York Meetings, pp. 265-267
Address of Welcome, pp. 267-268
Address of the President, pp. 268-271
Proceedings of the Association, pp. 272-274
Frederick Bedell
The Definition of the Element, pp. 274-282
F. P. Venable
Engineering Education as a Preliminary Training for Scientific Research Work, pp. 282-286
Storm Bull


Fauna and Flora of Puerto Rico, pp. 286-288
Mark W. Harrington

The Botanical Society of America, p. 288
Arthur Hollick


Scientific Books
----------------, pp. 288-292
Naturalism and Agnosticism
James Ward
Review author[s]: W. K. Brooks
----------------, pp. 292-296
The Races of Europe
William Z. Ripley
Review author[s]: Franz Boas
Quarry Industry and Quarry Geology, p. 296
Review author[s]: F. J. H. M.
The Depopulation of France, pp. 296-297
Review author[s]: J. McKeen Cattell
General, p. 297


Discussion and Correspondence
Schedule for Psychology of the International Catalogue, pp. 297-298
J. Mark Baldwin; J. McKeen Cattell
Pot-Hole Vs. Remolino, p. 298
George P. Merrill


Notes on Physics, pp. 298-299
W. S. F.

Notes on Inorganic Chemistry, pp. 299-300
J. L. H.

Return of the Wellmann Expedition, p. 300
Scientific Notes and News, pp. 300-304
University and Educational News, p. 304

Previous Issue: New Series, Vol. 10, No. 243, Aug. 25, 1899
Next Issue: New Series, Vol. 10, No. 245, Sep. 8, 1899



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Science, New Series, Vol. 10, No. 245, Sep. 8, 1899


Previous Issue: New Series, Vol. 10, No. 244, Sep. 1, 1899
Next Issue: New Series, Vol. 10, No. 246, Sep. 15, 1899


Front Matter (2 pp.)


The American Association for the Advancement of Science
The Importance and the Promise in the Study of the Domestic Animals, pp. 305-315
Simon Henry Gage
The Progress and Problems of Plant Physiology, pp. 316-331
Charles R. Barnes
Section A--Astronomy and Mathematics, pp. 331-333
John F. Hayford


Eleventh Annual Meeting of the Association of Economic Entomologists, Columbus, Ohio, August 18 and 19, 1899, pp. 333-334
A. H. Kirkland


Scientific Books
----------------, pp. 334-336
I Sogni, Studi psicologici e clinici di un alienista
Sante De Sanctis
Review author[s]: Mary Whiton Calkins
General, pp. 336-337


Discussion and Correspondence
Dark Lightning, pp. 337-339
R. W. Wood
A Reply, pp. 339-341
W. W. Campbell; G. C. C.
Foehn Winds, p. 341
R. DeC. Ward


Scientific Notes and News, pp. 341-344
University and Educational News, p. 344

Previous Issue: New Series, Vol. 10, No. 244, Sep. 1, 1899
Next Issue: New Series, Vol. 10, No. 246, Sep. 15, 1899



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Science, New Series, Vol. 10, No. 246, Sep. 15, 1899


Previous Issue: New Series, Vol. 10, No. 245, Sep. 8, 1899
Next Issue: New Series, Vol. 10, No. 247, Sep. 22, 1899


Front Matter (2 pp.)


The American Association for the Advancement of Science
The Fundamental Principles of Algebra, pp. 345-364
Alexander Macfarlane
Proceedings of the Botanical Club of the American Association for the Advancement of Science at Columbus, August 21-24, 1899, pp. 364-367
A. D. Selby


The American Microscopical Society, pp. 367-368
Henry B. Ward

Proceedings of the Sixteenth Annual Convention of the Association of Official Agricultural Chemists, Held at San Francisco, July 5-7, 1899, pp. 368-370
H. W. Wiley

A Card Centralblati of Physiology, pp. 370-373
William Townsend Porter


Scientific Books
----------------, pp. 373-376
The Soluble Ferments and Fermentation
Reynolds Green
Review author[s]: Oscar Loew
----------------, p. 376
Annals of the South African Museum
Review author[s]: F. A. Lucas
----------------, pp. 376-377
A Catalogue of Scientific and Technical Periodicals, 1665-1895
Henry Carrington Bolton
Review author[s]: J. McKeen Cattell
General, p. 377


Discussion and Correspondence
The Proper Name of the Polar Bear, pp. 377-378
Leonhard Stejneger
The Mental Effects of the Weather, p. 378
H. Helm Clayton


Notes on Physics, pp. 378-379
W. S. F.

The Bacillus Icteroides as the Cause of Yellow Fever, pp. 379-380
International Congress on Tuberculosis, pp. 380-381
Scientific Notes and News, pp. 381-384
University and Educational News, p. 384

Previous Issue: New Series, Vol. 10, No. 245, Sep. 8, 1899
Next Issue: New Series, Vol. 10, No. 247, Sep. 22, 1899



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Science, New Series, Vol. 10, No. 247, Sep. 22, 1899


Previous Issue: New Series, Vol. 10, No. 246, Sep. 15, 1899
Next Issue: New Series, Vol. 10, No. 248, Sep. 29, 1899


Front Matter (2 pp.)


The British Association for the Advancement of Science
Address to the Mathematical and Physical Section, pp. 385-396
J H. Poynting


The Work of the International Association for Testing Materials, pp. 396-402
Mansfield Merriman


The American Association for the Advancement of Science
The Devonian System in Canada, pp. 402-412
J. F. Whiteaves


The Family Name of the Dormice, pp. 412-413
T. S. Palmer


Scientific Books
----------------, pp. 413-415
Differential and Integral Calculus for Technical Schools and Colleges
P. A. Lambert
An Elementary Course in the Integral Calculus
Daniel Alexander Murray
Review author[s]: C. J. Keyser
General, pp. 415-416


Discussion and Correspondence
Naturalism and Agnosticism, pp. 417-418
R. M. Wenley
The Origin of Measurements, pp. 418-419
H. H. Clayton
The Fauna of Porto Rico, p. 419
Frank M. Chapman
Methods for a Card Index, pp. 419-420
J. McKeen Cattell


Notes on Inorganic Chemistry, pp. 420-421
J. L. H.

Zoological Notes, p. 421
F. A. L.

Scientific Notes and News, pp. 421-424
University and Educational News, p. 424

Previous Issue: New Series, Vol. 10, No. 246, Sep. 15, 1899
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Science, New Series, Vol. 10, No. 248, Sep. 29, 1899


Previous Issue: New Series, Vol. 10, No. 247, Sep. 22, 1899
Next Issue: New Series, Vol. 10, No. 249, Oct. 6, 1899


Front Matter (2 pp.)
The Perception of Horizontal and of Vertical Lines, pp. 425-430
B. O. Peirce


The American Association for the Advancement of Science
The Devonian System in Canada, pp. 430-438
J. F. Whiteaves
Section B--Physics, pp. 438-442
William Hallock
Section I.--Social and Economic Science, pp. 442-445
C. M. Woodward


The American Mathematical Society, pp. 445-446
Thomas F. Holgate

The Work of Foreign Museums, pp. 446-447
F. A. L.

Robert Wilhelm Bunsen, pp. 447-451
Jas. Lewis Howe


Scientific Books
----------------, p. 451
Anatomie des Frosches auf Grund eigener Untersuchungen
A. Ecker; R. Wiedersheim
Review author[s]: J. S. Kingsley
----------------, pp. 451-453
The Fixation, Staining and Structure of Protoplasm, a Critical Consideration of the Theory and Technique of Modern Cell-study
Alfred Fischer
Review author[s]: D. T. MacDougal
----------------, p. 453
A Class-Book of (Elementary) Practical Physiology
De Burgh Birch
Review author[s]: Frederic S. Lee
----------------, pp. 453-454
Elementary Physiology
Benjamin Moore
Review author[s]: Frederic S. Lee
----------------, p. 454
Analyses Electrolytiques
Ad. Minet
Review author[s]: Edgar F. Smith


Scientific Journals and Articles, pp. 454-455
Societies and Academies, pp. 455-456


Discussion and Correspondence
On the Definition of Geological Terranes, pp. 456-458
Charles R. Keyes


Zoological Notes, p. 458
F. A. L.

Recent Zoo-Paleontology, pp. 458-459
H. F. O.

International Congress of Physics, pp. 459-461
Ch. Ed. Guillaume

The Chemical Composition of American Food Materials, pp. 461-462
Scientific Notes and News, pp. 462-464
University and Educational News, p. 464

Previous Issue: New Series, Vol. 10, No. 247, Sep. 22, 1899
Next Issue: New Series, Vol. 10, No. 249, Oct. 6, 1899



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Science, New Series, Vol. 10, No. 249, Oct. 6, 1899


Previous Issue: New Series, Vol. 10, No. 248, Sep. 29, 1899
Next Issue: New Series, Vol. 10, No. 250, Oct. 13, 1899


Front Matter (2 pp.)
Address by the President of the British Association for the Advancement of Science, pp. 465-482
Michael Foster

International Catalogue of Scientific Literature, pp. 482-487


The American Association for the Advancement of Science
Section E.--Geology and Geography of the American Association for the Advancement of Science, pp. 487-491
Arthur Hollick


Scientific Books
----------------, pp. 491-495
Catalogus Mammalium tam viventium quam fossilium
E. L. Trouessart
Review author[s]: T. S. Palmer
----------------, p. 495
The Genera and Species of Blastoidea, with a List of the Specimens in the British Museum of Natural History
F. A. Bather
Review author[s]: Charles Schuchert
----------------, pp. 495-496
Grundlinien der Maritimen Meteorologie
W. Köppen
Review author[s]: R. DeC. Ward
----------------, p. 496
Descriptive General Chemistry
S. E. Tillman
Review author[s]: Edgar F. Smith
----------------, p. 496
Elementary Studies in Chemistry
Joseph Torrey
Review author[s]: Edgar F. Smith


Discussion and Correspondence
Naturalism and Philosophy, pp. 497-499
W. K. Brooks
Medical Sciences in the University, p. 499
W. H. Howell


Notes on Inorganic Chemistry, pp. 499-500
J. L. H.

The New College Presidents, pp. 500-501
The Protection of Birds, p. 501
The Companions of Polaris, pp. 501-502
Scientific Notes and News, pp. 502-504
University and Educational News, p. 504

Previous Issue: New Series, Vol. 10, No. 248, Sep. 29, 1899
Next Issue: New Series, Vol. 10, No. 250, Oct. 13, 1899



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Science, New Series, Vol. 10, No. 250, Oct. 13, 1899


Previous Issue: New Series, Vol. 10, No. 249, Oct. 6, 1899
Next Issue: New Series, Vol. 10, No. 251, Oct. 20, 1899


Front Matter (2 pp.)


The British Association for the Advancement of Science
The Dover Meeting of the British Association for the Advancement of Science, pp. 505-513
Address by the President of the Geological Section of the British Association for the Advancement of Science, pp. 513-527
Archibald Geikie


Researches in Practice and Habit, pp. 527-529
W. Smythe Johnson

Nathan Russell Harrington, pp. 529-531
F. H. H.


Scientific Books
----------------, pp. 531-533
The University Geological Survey of Kansas
Erasmus Haworth
Review author[s]: John J. Stevenson
----------------, p. 533
Les matières colorantes azoïques
Georges F. Jaubert
Review author[s]: M. T. B.
----------------, pp. 533-534
A Century of Vaccination and What it Teaches
W. Scott Tebb
Review author[s]: W. H. Park
General, pp. 534-535


Scientific Journals and Articles, p. 535


Discussion and Correspondence
The Proposed Card Centralblatt of Physiology, pp. 535-536
Philip Henry Wynne
Science and Scholasticism, pp. 536-537
R. M. Wenley


Notes on Inorganic Chemistry, p. 537
J. L. H.

Current Notes on Meteorology, pp. 537-538
R. DeC. Ward

Recent Zoopaleontology. 2, pp. 538-539
H. F. O.

South American Languages, pp. 539-540
Albert S. Gatschet

Scientific Notes and News, pp. 540-543
University and Educational News, pp. 543-544

Previous Issue: New Series, Vol. 10, No. 249, Oct. 6, 1899
Next Issue: New Series, Vol. 10, No. 251, Oct. 20, 1899



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Science, New Series, Vol. 10, No. 251, Oct. 20, 1899


Previous Issue: New Series, Vol. 10, No. 250, Oct. 13, 1899
Next Issue: New Series, Vol. 10, No. 252, Oct. 27, 1899


Front Matter (2 pp.)


The American Association for the Advancement of Science
Report on Progress in Non-Euclidean Geometry, pp. 545-557
George Bruce Halsted
Botany at the Columbus Meeting of the American Association for the Advancement of Science, pp. 557-567
W. A. Kellerman
Sullivant Day, pp. 567-568
Elizabeth G. Britton


The British Association for the Advancement of Science
Section D (Zoology) at the Dover Meeting of the British Association, pp. 568-570
W. A. Herdman


The Diœcism of the Fig in Its Bearing Upon Caprification, pp. 570-574
Walter T. Swingle


Scientific Books
----------------, pp. 574-575
Praxis und Theorie der Zellen- und Befruchtungslehre
Valentin Häcker
Review author[s]: E. B. W.
----------------, pp. 575-577
The Teaching Botanist
William F. Ganong
Review author[s]: Francis E. Lloyd
----------------, pp. 577-578
Reye's Geometrie der Lage. Lectures on Geometry of Position
Theodore Reye
Review author[s]: J. H. Tanner


Scientific Journals and Articles, p. 578
Societies and Academies, pp. 578-579


Discussion and Correspondence
`The Perception of Horizontal and of Vertical Lines.', pp. 579-580
Joseph Jastrow


The Third Princeton Expedition to Patagonia, pp. 580-581
A Long Photographic Telescope, p. 581
Edward C. Pickering

Scientific Notes and News, pp. 581-583
University and Educational News, pp. 583-584

Previous Issue: New Series, Vol. 10, No. 250, Oct. 13, 1899
Next Issue: New Series, Vol. 10, No. 252, Oct. 27, 1899



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Science, New Series, Vol. 10, No. 252, Oct. 27, 1899


Previous Issue: New Series, Vol. 10, No. 251, Oct. 20, 1899
Next Issue: New Series, Vol. 10, No. 253, Nov. 3, 1899


Front Matter (2 pp.)


The American Association for the Advancement of Science
The History of the Beginnings of the Science of Prehistoric Anthropology, pp. 585-601
Thomas Wilson
Chemistry at the American Association for the Advancement of Science, pp. 601-605
Jas. Lewis Howe


The Collections of Natural History at South Kensington, pp. 605-607
Some New Data for Converting Geological Time into Years, pp. 607-608
Wilbur C. Knight


Scientific Books
----------------, pp. 608-612
La géologie expérimentale
Stanislas Meunier
Review author[s]: J. B. W.
----------------, pp. 612-613
Leçons sur la détermination des orbites professées à la Faculté des Sciences de Paris F. Tisserand; redigées et développées pour les calculs numériques par J. Perchot; avec une préface de H. Poincaré
Review author[s]: E. O. Lovett
----------------, pp. 613-615
Lexikon der Kohlenstoff-Verbindungen
M. M. Richter
Review author[s]: Chas. Baskerville
----------------, p. 615
The Rise and Development of the Liquefaction of Gases
Willett L. Hardin
Review author[s]: Morris Loeb


Societies and Academies, pp. 615-617
Astronomical Notes, p. 617
Winslow Upton

Current Notes on Meteorology, pp. 617-618
R. DeC. Ward

Notes on Inorganic Chemistry, pp. 618-619
J. L. H.

Limitations of Thermodynamics, pp. 619-620
R. H. Thurston

Scientific Notes and News, pp. 620-623
University and Educational News, pp. 623-624

Previous Issue: New Series, Vol. 10, No. 251, Oct. 20, 1899
Next Issue: New Series, Vol. 10, No. 253, Nov. 3, 1899



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Science, New Series, Vol. 10, No. 253, Nov. 3, 1899


Previous Issue: New Series, Vol. 10, No. 252, Oct. 27, 1899
Next Issue: New Series, Vol. 10, No. 254, Nov. 10, 1899


Front Matter (2 pp.)
The Early Presidents of the American Association, pp. 625-637
Marcus Benjamin

The History of the Beginnings of the Science of Pre-Historic Anthropology, pp. 637-648
Thomas Wilson

A New Form of Pseudoscope, pp. 648-649
R. W. Wood

The Subdivision of Genera, pp. 649-650
E. W. Hilgard

The Card Index of Experiment Station Publications, pp. 650-652
A. C. True


Scientific Books
----------------, pp. 652-653
West Virginia Geological Survey
I. C. White
Review author[s]: John J. Stevenson
----------------, pp. 653-654
Introduction à la géométrie différentielle suivant la méthode de H. Grassman. Par C. Burali-Forti, professeur à l' Académie militaire de Turin
Review author[s]: E. O. Lovett
----------------, pp. 654-655
Chemical Experiments
John F. Woodhull; M. B. Van Arsdale
A Laboratory Outline of General Chemistry
Alexander Smith
Review author[s]: W. A. Noyes
General, p. 655


Scientific Journals and Articles, pp. 655-656
Societies and Academies, pp. 656-657


Discussion and Correspondence
Recent Work on Coccidæ, pp. 657-660
C. L. Marlatt


The American Physical Society, p. 660
W. H.

Scientific Notes and News, pp. 660-663
University and Educational News, pp. 663-664

Previous Issue: New Series, Vol. 10, No. 252, Oct. 27, 1899
Next Issue: New Series, Vol. 10, No. 254, Nov. 10, 1899



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Science, New Series, Vol. 10, No. 254, Nov. 10, 1899


Previous Issue: New Series, Vol. 10, No. 253, Nov. 3, 1899
Next Issue: New Series, Vol. 10, No. 255, Nov. 17, 1899


Front Matter (2 pp.)
Scientific Work of the Lick Observatory, pp. 665-670
James E. Keeler

The Early Presidents of the American Association, pp. 670-679
Marcus Benjamin

The Best Movement for Handwriting, pp. 679-681
R. S. Woodworth

A Census of the Fossil Vertebrata of North America, pp. 681-684
O. P. Hay

The International Association of Academies, pp. 684-685


Scientific Books
----------------, pp. 685-688
The Kinetic Theory of Gases
S. H. Burbury
Review author[s]: Edwin H. Hall
----------------, pp. 688-690
Elementi di calcolo infinitesimale con numerose applicazione geometriche
Ernesto Cesàro
Review author[s]: E. O. Lovett
----------------, pp. 690-691
Pflanzen- und Tierverbreitung, in Hann, Hochstetter und Pokomy, Algemeine Erdkunde
A. Kirchhoff
Review author[s]: Conway MacMillan
----------------, pp. 691-692
Sewage-Analysis
J. Alfred Wanklyn; William John Cooper
Review author[s]: W. P. Mason
----------------, p. 692
Laboratory Manual, Experiments to Illustrate the Elementary Principles of Chemistry
H. W. Hillyer
Inorganic Chemical Preparations
Felix Lengfeld
Review author[s]: W. A. Noyes


Societies and Academies, pp. 693-695


Discussion and Correspondence
Geological Time, p. 695
John M. Clarke
Newspaper Science, pp. 695-696
James H. Hyslop


Notes on Organic Chemistry, pp. 696-697
J. L. H.

The November Meteors of 1899, pp. 697-698
Observation of the Total Solar Eclipse in 1900, pp. 698-699
The Imperial Department of Agriculture in the West Indies, p. 699
The Proposed National University, p. 700
Resolutions of the Seventh International Geographical Congress, pp. 700-701
Scientific Notes and News, pp. 701-703
University and Educational News, pp. 703-704

Previous Issue: New Series, Vol. 10, No. 253, Nov. 3, 1899
Next Issue: New Series, Vol. 10, No. 255, Nov. 17, 1899



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Science, New Series, Vol. 10, No. 255, Nov. 17, 1899


Previous Issue: New Series, Vol. 10, No. 254, Nov. 10, 1899
Next Issue: New Series, Vol. 10, No. 256, Nov. 24, 1899


Front Matter (2 pp.)
The Early Presidents of the American Association, pp. 705-713
Marcus Benjamin

The Classification of Botanical Publications, pp. 713-717
William Trelease

On the Cause of Dark Lightning and the Clayden Effect, pp. 717-721
R. W. Wood

Architectural Plans for the University of California, pp. 721-724
William Carey Jones

The Fossil Field's Expedition to Wyoming, pp. 725-728
Charles Schuchert


Scientific Books
The `Theta-Phi Diagram.', pp. 728-734
The Entropy-Temperature Analysis of Steam-Engine Efficiencies
Sidney A. Reeve
The Theta-Phi Diagram Practically Applied to Steam, Oil, Gas and Air-Engines
Henry A. Golding
The Entropy-Diagram and its Applications
J. Boulvin
Alternating Currents of Electricity and the Theory of Transformers
Alfred Still
Alternate Currents in Practice
F. J. Moffett
Das Tierreich Sporozoa
Alphonse Labbé
Leitfaden für das zoologische Praktikum
Willy Kükenthal
Review author[s]: R. H. Thurston; W. S. Franklin; Gary N. Calkins; Henry F. Nachtrieb


Scientific Journals and Articles, pp. 734-735
Societies and Academies, pp. 735-737


Discussion and Correspondence
Color Associations with Numerals, etc., p. 738
Edward S. Holden


The Wagner Free Institute of Science and Professor Dall, pp. 738-739
Thomas L. Montgomery

The Carnegie Institute, p. 739
Harlan I. Smith

Alcohol as Food, pp. 739-741
Scientific Notes and News, pp. 741-743
University and Educational News, pp. 743-744

Previous Issue: New Series, Vol. 10, No. 254, Nov. 10, 1899
Next Issue: New Series, Vol. 10, No. 256, Nov. 24, 1899



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Science, New Series, Vol. 10, No. 256, Nov. 24, 1899


Previous Issue: New Series, Vol. 10, No. 255, Nov. 17, 1899
Next Issue: New Series, Vol. 10, No. 257, Dec. 1, 1899


Front Matter (4 pp.)
Report on the Naval Observatory, pp. 745-747
Report of the Board of Visitors to the United States Naval Observatory, October 2, 1899, pp. 747-751
Address of the President of the Geographical Section of the British Association for the Advancement of Science, pp. 751-759
John Murray

The Early Presidents of the American Association, pp. 759-766
Marcus Benjamin

The Sense of Hearing in Ants, pp. 766-768
Le Roy D. Weld

Are the Trees Advancing or Retreating Upon the Nebraska Plains, pp. 768-770
Charles E. Bessey

Preliminary Note on New Meteorites from Allegan, Michigan and Mart, Texas, pp. 770-771
George P. Merrill

Permanent Preparations in Hermetically Sealed Tubes, pp. 771-772
Henry F. Nachtrieb


Scientific Books
----------------, pp. 772-773
Methods of Knowledge; an Essay in Epistemology
Walter Smith
Review author[s]: R. M. Wenley
----------------, pp. 773-774
Die Kontinuität der Atomverkettung ein Strukturprinzip der lebendigen Substanz
Georg Hörmann
Review author[s]: E. A. Andrews
----------------, p. 774
A Dictionary of Birds
Alfred Newton
Review author[s]: F. A. L.


Scientific Journals and Articles, pp. 775-776
Societies and Academies, pp. 776-777


Discussion and Correspondence
The Need for a Classification of Prehistoric Implements, pp. 777-778
Warren K. Moorehead


Notes on Inorganic Chemistry, pp. 778-779
J. L. H.

Current Notes on Meteorology, pp. 779-780
R. DeC. Ward

Report of the President of Columbia University, pp. 780-781
Scientific Notes and News, pp. 781-784
University and Educational News, p. 784

Previous Issue: New Series, Vol. 10, No. 255, Nov. 17, 1899
Next Issue: New Series, Vol. 10, No. 257, Dec. 1, 1899



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Science, New Series, Vol. 10, No. 257, Dec. 1, 1899


Previous Issue: New Series, Vol. 10, No. 256, Nov. 24, 1899
Next Issue: New Series, Vol. 10, No. 258, Dec. 8, 1899


Front Matter (2 pp.)
The Astronomical and Astrophysical Society of America, pp. 785-795
Edwin B. Frost

Address of the President Before the Section of Geography of the British Association for the Advancement of Science, pp. 796-803
John Murray

Recent Progress in Oceanography, pp. 803-807
A. Lindenkohl

Observations on Rhythmic Action, pp. 807-811
E. W. Scripture

Geology at the British Association, pp. 812-814
W. W. Watts


Scientific Books
----------------, pp. 814-815
The Mysterious Mammal of Patagonia, Grypotherium Domesticum
Rudolph Hauthal; Santiago Roth; Robert Lehmann Nitsche
Review author[s]: J. B. Hatcher
----------------, pp. 815-817
Maryland Weather Service
Review author[s]: R. DeC. Ward
----------------, pp. 817-818
Indicators and Test Papers, Their Source, Preparation, Application and Tests for Sensitiveness
Alfred I. Cohn
Review author[s]: M. T. B.
----------------, pp. 818-819
Zur Analyse der Unterschiedsempfindlichkeit
Lillie J. Martin; G. E. Müller
Review author[s]: R. S. Woodworth
General, p. 819


Notes on Inorganic Chemistry, pp. 819-820
J. L. H.

Technical University Degrees, p. 820
R. H. Thurston

Lectures at the American Museum of Natural History, New York, p. 821
Scientific Notes and News, pp. 821-823
University and Educational News, p. 824

Previous Issue: New Series, Vol. 10, No. 256, Nov. 24, 1899
Next Issue: New Series, Vol. 10, No. 258, Dec. 8, 1899



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Science, New Series, Vol. 10, No. 258, Dec. 8, 1899


Previous Issue: New Series, Vol. 10, No. 257, Dec. 1, 1899
Next Issue: New Series, Vol. 10, No. 259, Dec. 15, 1899


Front Matter (1 p.)
The Highest Aim of the Physicist, pp. 825-833
Henry A. Rowland

Cruise of the Albatross, pp. 833-841
A. Agassiz

The Astronomical and Astrophysical Society of America, pp. 841-849
Edwin B. Frost

American Ornithologists' Union, pp. 849-851
John H. Sage

Demonstrating the Curve of the Base Ball in the Lecture Room, p. 851
R. W. Wood

The Annual Report of the Secretary of Agriculture, pp. 851-856


Scientific Books
----------------, pp. 856-857
Die Landbauzonen der aussertropischen Länder
Th. H. Engelbrecht
Review author[s]: E. W. Hilgard
----------------, pp. 857-858
Plant Relations
John M. Coulter
Review author[s]: Charles E. Bessey


Scientific Journals and Articles, pp. 858-859
Societies and Academies, pp. 859-860


Discussion and Correspondence
The Science of Meteorology, p. 860
C. A.


Notes in Physics, pp. 860-861
W. S. F.

Notes on Inorganic Chemistry, pp. 861-862
J. L. H.

Scientific Notes and News, pp. 862-864
University and Educational News, p. 864

Previous Issue: New Series, Vol. 10, No. 257, Dec. 1, 1899
Next Issue: New Series, Vol. 10, No. 259, Dec. 15, 1899



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Science, New Series, Vol. 10, No. 259, Dec. 15, 1899


Previous Issue: New Series, Vol. 10, No. 258, Dec. 8, 1899
Next Issue: New Series, Vol. 10, No. 260, Dec. 22, 1899


Front Matter (2 pp.)
Reminiscences of Bunsen and the Heidelberg Laboratory, 1863-1865, pp. 865-870
Henry Carrington Bolton

A Skeleton of Diplodocus, Recently Mounted in the American Museum, pp. 870-874
Henry Fairfield Osborn

The Nomenclature of the New York Series of Geological Formations, pp. 874-878
John M. Clarke; Charles Schuchert

Fish Fauna of the Woods Hole Region, pp. 878-881
Hugh M. Smith

Zoology at the Columbus Meeting of the American Association for the Advancement of Science, pp. 881-885
C. L. Marlatt


Scientific Books
Report of the Fur Seal Investigations, 1896-1897, pp. 885-892
The Fur Seals and Fur Seal Islands of the North Pacific Ocean
David Starr Jordan
A Theory of Reality
George T. Ladd
Review author[s]: J. A. Allen; Henry S. Williams
Determination of the Density of Water at 4° C. by the International Bureau of Weights and Measures, 1899, pp. 892-893
Review author[s]: S. W. Holman


Scientific Journals and Articles, pp. 893-894
Societies and Academies, pp. 894-898


Discussion and Correspondence
An Alien Clematis in New Mexico, pp. 898-899
T. D. A. Cockerell


Notes on Inorganic Chemistry, pp. 899-900
J. L. H.

Current Notes on Meteorology, pp. 900-901
R. DeC. Ward

Scientific Notes and News, pp. 901-903
University and Educational News, p. 904

Previous Issue: New Series, Vol. 10, No. 258, Dec. 8, 1899
Next Issue: New Series, Vol. 10, No. 260, Dec. 22, 1899



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Science, New Series, Vol. 10, No. 260, Dec. 22, 1899


Previous Issue: New Series, Vol. 10, No. 259, Dec. 15, 1899
Next Issue: New Series, Vol. 10, No. 261, Dec. 29, 1899


Front Matter (1 p.)
Sir William Dawson, pp. 905-910
Frank D. Adams

Extent of Instruction in Anthropology in Europe and the United States, pp. 910-917
George Grant MacCurdy

Economics, Politics and Finance of Voting Machines, pp. 917-919
R. H. Thurston

A Complete Mosasaur Skeleton, Osseous and Cartilaginous, pp. 919-925
Henry F. Osborn

The Indiana University Biological Station, pp. 925-929
C. H. Eigenmann


Scientific Books
----------------, pp. 929-930
Alaska and the Klondike
Angelo Heilprin
Review author[s]: W. H. Dall
----------------, pp. 930-931
The Design and Construction of Dams, Including Masonry, Earth, Rock-Fill, and Timber Structures; Also the Principal Types of Movable Dams
Edward Wegmann
Review author[s]: M. Merriman
----------------, pp. 931-932
The Botanists of Philadelphia and their Work
John W. Harshberger
Review author[s]: Lucien M. Underwood
----------------, p. 932
The Maturation, Fertilization and Early Development of the Planarians
Willard G. Van Name
Review author[s]: H. B. W.


Societies and Academies, pp. 932-935


Discussion and Correspondence
Dr. Wilson on Prehistoric Anthropology, pp. 935-937
J. D. McGuire
A Naturalist's Directory, p. 937
E. V. Wilcox
Dr. G. W. Foster and the `Lakeside Monthly.', p. 937
Francis F. Browne


Botanical Notes, pp. 937-939
Charles E. Bessey

United States Geological Survey, pp. 939-940
Professor Virchow's Jubilee, p. 940
Scientific Notes and News, pp. 940-943
University and Educational News, pp. 943-944

Previous Issue: New Series, Vol. 10, No. 259, Dec. 15, 1899
Next Issue: New Series, Vol. 10, No. 261, Dec. 29, 1899



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Science, New Series, Vol. 10, No. 261, Dec. 29, 1899


Previous Issue: New Series, Vol. 10, No. 260, Dec. 22, 1899
Next Issue: New Series, Vol. 11, No. 262, Jan. 5, 1900


Front Matter (2 pp.)
Scientific Thought in the Nineteenth Century, pp. 945-951
Wm. North Rice

Results of the Second Bottegò Expedition into Eastern Africa, pp. 951-955
P. L. Sclater

On the Chemical Nature of Enzymes, pp. 955-961
Oscar Loew

Astronomy in the First Half of the Nineteenth Century, pp. 962-963
Truman Henry Safford

The Electric Fish of the Nile, pp. 963-964
Francis Gotch


Scientific Books
----------------, pp. 964-965
The Elements of Alternating Currents
W. S. Franklin; J. Williamson
Review author[s]: Chas. P. Steinmetz
----------------, pp. 965-966
Kinematics of Machinery
John H. Barr
Review author[s]: R. H. Thurston
----------------, pp. 966-968
Darwinism and Lamarckism, Old and New
Frederick W. Hutton
Review author[s]: Chas. W. Hargitt
----------------, p. 968
The Growth of Cities in the Nineteenth Century
Adna Ferrin Weber
Review author[s]: W. F. Willoughby
J. N. Baskett's `Story of the Fishes.', pp. 968-969
Review author[s]: B. D.


Scientific Journals and Articles, p. 969
Societies and Academies, pp. 969-973


Discussion and Correspondence
Dark Lightning, pp. 973-974
Arthur W. Clayden
Sociology and Psychology, pp. 974-975
Hiram M. Stanley


Notes on Inorganic Chemistry, pp. 975-976
J. L. H.

Beeren Eiland, pp. 976-977
The Stockholm Fisheries Conference, pp. 977-978
Devonian Fishes for the American Museum, p. 978
Bashford Dean

The Spelling of `Puerto Rico.', p. 978
W. F. Morsell

Scientific Notes and News, pp. 978-984
University and Educational News, p. 984

Previous Issue: New Series, Vol. 10, No. 260, Dec. 22, 1899
Next Issue: New Series, Vol. 11, No. 262, Jan. 5, 1900



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