Science, Vol. 1, No. 1, Jul. 3, 1880


Next Issue: Vol. 1, No. 2, Jul. 10, 1880


Volume Information (1 p.)
The United States Naval Observatory, Washington, pp. 1-3
Edward S. Holden

The Practical Value of Science, p. 3
A Bit of Summer work, p. 4
Burt G. Wilder

Electricity as Power, p. 5
Francis P. Upton

Salutatory, p. 6
[Notes], pp. 6-7
Diatomaceæ v. Desmidiaceæ, p. 7
Jabez Hogg; H. L. Smith

Improved Thermo-Electric Apparatus, p. 8
Errors of Refraction in the Eyes of Microscopists, p. 8
John C. Morgan

Astronomy, p. 9
The Nebula in the Pleiades, p. 9
[A Report of the Meteorite Which Fell to Emmett County in 1879], p. 9
Natural History, p. 10
J. C. G.

Microscopy, p. 10
Electricity, p. 11
Notes and Queries, p. 12
J. H. G.

General Notes, p. 12

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Uniform Time, p. 13
Ormond Stone

Water Supply of Cities, p. 13
H. C. H. Herold

Visual Telegraphy, pp. 14-15
The Coming of Age of the Origin of Species, pp. 15-17+20
T. H. Huxley

The Edison Light, p. 18
[Notes], pp. 18-19
Faraday's Observations on Silvering Glass, p. 19
Water Analysis, pp. 20-21
Water Analysis for Sanitary Purposes, with Hints for the Interpretation of Results.
E. Frankland
The Processes for Determining the Organic Purity of Potable Waters.
C. Meymott Tidy
Water Analysis: A Practical Treatise on the Examination of Potable Water.
J. Alfred Wanklyn; Ernest Theophron Chapman
Review author[s]: Fred Brendel

On the Dynamo-Electric Current and on Certain Means to Improve Its Steadiness, p. 22
C. William Siemens

The Heliograph, p. 22
A Wonderful Meteor, p. 22
Microscopy, p. 23
H. L. Smith

Natural History, pp. 23-24
General Notes, p. 24

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A Remarkable Peculiarity of an Anthropoid Brain, p. 25
E. C. Spitzka

Dry "Mounts" for the Microscope, pp. 26-27
H. L. Smith

On Multiple Spectra, pp. 27-29
J. Norman Lockyer

Value of Bisulphide of Carbon in Microscopical Definition, p. 29
Co-operation in Science, pp. 30-31
[Notes], p. 31
Correspondence, p. 31
G. M. Mansfield

A Darwinian Study, p. 32
Alfred R. Wallace

A Fourth State of Matter, pp. 32-33
Note by the Duke of Argyle, pp. 33-34
On a New Jelly-Fish of the Order Trachomedusæ, Living in Fresh Water, p. 34
E. Ray Lankester

Evolution of Locomotives in America, p. 35
Literary Intelligence, p. 36
General Notes, p. 36

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The Society of American Taxidermists, pp. 37-38
Wm. T. Hornaday

Description of Some Monstrosities Observed in North American Coleoptera, pp. 38-41
Horace F. Jayne

American Association for the Advancement of Science, pp. 42-44
On "Limnocodium Victoria," A Hydroid Medusa of Fresh Water, pp. 44-45
Geo. J. Allman

The Electric Lamps of M. Tchikoleff, pp. 45-47
W. Tchikoleff

General Notes, p. 47
Correspondence, p. 47
W. A. Ross

The "D-Lines" Spectra.-Are They Due to Water?, p. 48
W. A. Ross

An Important Discovery, p. 48
Thomas Fletcher

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The Cerebral Fissures of the Domestic Cat, Felis Domestica, pp. 49-51
Burt G. Wilder

Correspondence, p. 51
W. A. Conklin

Death of a Naturalist, p. 51
A Plea for the Metric System in Microscopy, pp. 52-53
R. H. Ward

Professor Leidy's "Fresh Water Rhizopods of North America.", pp. 54-57
The Fourth State of Matter. A Refutation, pp. 58-59
J. Puluj; Gustave Glaser

The Magnet in Medicine, pp. 59-60
Thos. B. Columbia; P. Richet

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Bird Furniture, pp. 61-62
J. B. Holder

Competition between the Aniline and Madder Dyes, pp. 62-63
A. S. Macrae

[Influence of Magnetization on the Tenacity of Iron], p. 63
Degeneration, p. 63
Alfred R. Wallace

Physiology of the Fresh Water Medusa, pp. 64-65
George J. Romanes

A New Genus of Rhinocerontidæ, p. 65
Analysis of Water, pp. 66-67
New Sources of Food, pp. 68-69
W. N. Lockington

The American Society of Microscopists, p. 70
The Tay Bridge Disaster, pp. 70-71


Books Received
----------------, p. 72
The Construction of Gas-Works and the Manufacture and Distribution of Coal Gas.
William Richards
----------------, p. 72
Electric Light: Its Production and Use.
J. W. Urquhart; F. C. Webb
----------------, p. 72
Manual of the Alkali Trade, Including the Manufacture of Sulphuric Acid, Sulphate of Soda and Bleaching Powder.
John Lomas


Notes and Queries, p. 72
J. R.

General Notes, p. 72
F. T. Moot

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Contributions to Encephalic Anatomy, pp. 73-74
E. C. Spitzka

Dry "Mounts" for the Microscope. II, p. 74
H. L. Smith

Science at Breakfast, pp. 75-77
Bacteria in the Air, p. 77
Deyer's Astronomical Record, p. 77
O. S.

The Late Mr. Greene Smith, p. 77
Department of Agriculture, p. 78
Harvard University, pp. 79-81
On the Effects Produced by Mixing White with Colored Light, p. 81
O. N. Rood

Bernardinite: Its Nature and Origin, pp. 81-82
J. M. Stillman

Education of Young Astronomers, p. 82
Grant Allen

On a Photograph of Jupiter's Spectrum, Showing Evidence of Intrinsic Light from that Planet, p. 83
Henry Draper

Secular Changes in the Earth's Figure, p. 83
Translations, p. 84
Water Jets as a Source of Electricity, p. 84
A New Electric Pile, p. 84
The Metric System, p. 84
Burt G. Wilder

General Notes, p. 84

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Next Issue: Vol. 1, No. 9, Aug. 28, 1880


Ethnology. Fragmentary Notes on the Eskimo of Cumberland Sound, pp. 85-88
Ludwig Kumlien

Coal. I, pp. 88-89
P. W. Sheafer; M. E. Pottsville

American Astronomical Work, pp. 90-91
A New Electric Pile Devised by M. Reynier, pp. 91-92
M. Reynier

Dr. Paul Broca, p. 93
The Winged Phylloxera, p. 94
Instantaneous Photography in a Balloon, pp. 94-95
Paul Demarets

Mr. Bramwell on the Perkins System, p. 95
Mr. Bramwell

Physical Notes, p. 96
O. A. M.

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Previous Issue: Vol. 1, No. 8, Aug. 21, 1880
Next Issue: Vol. 1, No. 10, Sep. 4, 1880


Books Received
----------------, pp. 97-98
A Treatise on Comparative Embryology.
Francis M. Balfour
Review author[s]: H. F. O.
----------------, p. 98
On Angular Aperture of Objectives for Microscopes.
Geo. E. Blackham


Coal. II, pp. 98-100
P. W. Sheafer; M. E. Pottsville

Ethnology. Fragmentary Notes on the Eskimo of Cumberland Sound. II, pp. 100-101
Ludwig Kumlien

Letters to the Editor, p. 101
F. T. Waters

[Notes], p. 102
Electro-Motors. Their Power and Return, pp. 103-104
J. Hospitalier

Multiple Spectra. II, pp. 104-107
J. Norman Lockyer

Physical Notes, pp. 107-108
Otto A. Moses

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Previous Issue: Vol. 1, No. 9, Aug. 28, 1880
Next Issue: Vol. 1, No. 11, Sep. 11, 1880


American Association for the Advancement of Science. [Proceedings of the Annual Meeting]
[Notes], pp. 109-112
Address of Professor George F. Barker, the Retiring President of the Association. Some Modern Aspects of the Life Question, pp. 112-118


The Reduction of Chloride Ores, p. 119
On Currents Produced by Friction between Conducting Substances and on a New Form of Telephone Receiver, pp. 119-120
Physical Notes, p. 120

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Next Issue: Vol. 1, No. 12, Sep. 18, 1880


The Photophone, p. 121


American Association for the Advancement of Science. [Proceedings of the Annual Meeting]
[Notes], pp. 122-123
Address of Professor Asaph Hall, pp. 123-127
Asaph Hall
Joseph Henry, pp. 127-130
A. M. Mayer
The Photophone, pp. 130-134
Alexander Graham Bell
Plan of the Cerebro-Spinal Nervous System, p. 134
S. V. Clevenger
Ancient Agricultural Implements of Stone, p. 134
William McAdams
On the Co-Efficient of Expansion of Gas Solutions, pp. 135-136
F. L. Nichols; A. W. Wheeler
The Endocranium and Maxillary Suspensorium of the Bee, p. 136
George Macloskie
New Planetary Nebulæ, p. 136
Professor Pickering
On Land Snails of the Palæozoic Period, p. 136
Dr. Dawson
Futher Notes on the Pollination of Yucca and on Pronuba and Prodoxus, pp. 136-137
C. V. Riley
The Wyandottes, p. 137
J. W. Powell
A Simple Device for Projecting the Vibrations of Liquid Films without a Lens, p. 137
H. S. Carhart
The Languages of the Iroquois, pp. 137-138
E. A. Smith
Structure of Mica Veins in North Carolina, p. 138
W. C. Kerr
Transformation of Planorbis. A Practical Illustration of the Evolution of Species, p. 138
A. Hyatt
Mounds of Illinois, pp. 138-139
W. McAdams
Determination of the Comparative Dimensions of Ultimate Molecules; and Deduction of the Specific Properties of Substances, p. 139
W. N. Norton


Letters to the Editor, p. 139
D. O. Farrow


Books Received
----------------, p. 140
A Physical Treatise on Electricity and Magnetism.
J. E. H. Gordon
----------------, p. 140
Manual of Hydraulic Mining for the Use of the Practical Miner.
T. F. van Wagenen


Physical Notes, p. 140

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Previous Issue: Vol. 1, No. 11, Sep. 11, 1880
Next Issue: Vol. 1, No. 13, Sep. 25, 1880


American Association for the Advancement of Science. [Proceedings of the Annual Meeting]
[Note on Alexander Agassiz' Address], p. 141
Address of Alexander Agassiz. Paleontological and Embryological Development, pp. 142-149
Alexander Agassiz
Chemistry as an Art, and Chemistry as a Science, p. 149
J. M. Ordway
Spectroscopic Notes on Observations- Chiefly Solar-1879-80, p. 150
C. A. Young
On the Thermo-Electric Electro-Motive Power of Fe. and Pt. in Vacuo, p. 150
C. A. Young
On the Absolute Invisibility of Atoms and Molecules, pp. 150-151
A. E. Dolbear
On the Aurora and Zodiacal Light of May 2, 1877, p. 151
Henry C. Lewis
Observations on Brachiopods, p. 151
Edw. S. Morse
The Kames or Eskars of Maine, p. 151
Geo. H. Stone


Mountain Sites for Astronomical Observations, p. 152
O. Stone

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Next Issue: Vol. 1, No. 14, Oct. 2, 1880


[Editorial], p. 153
The August Perseids, 1880, pp. 153-154
Edwin F. Sawyer


American Association for the Advancement of Science. 1880 [Proceedings of the Annual Meeting]
Notes on Japanese Pulmonifera, p. 154
Edw. S. Morse
Problems in Watson's Co-Ordinates, pp. 154-155
Thomas Hill
Friction of Lubricating Oils, p. 155
C. J. H. Woodbury
The Law of Land-Forming on Our Globe, pp. 155-157
Richard Owen
An Investigation of the Vibrations of Plates Vibrated at the Centre, p. 157
Thomas R. Baker
Types of Pottery, p. 157
Edw. S. Morse


Mount Hamilton, Cal., pp. 158-159
Meeting of the American Society of Microscopists at Detroit, pp. 160-163
Preservation of Fossil Insects and Plants on Mazon Creek, p. 163
J. W. Pike

Caves in Japan, pp. 163-164
Edw. S. Morse

The Iron Ores of the Brandon Period, p. 164
Henry Carroll Lewis

American Society of Mechanical Engineers, p. 164
Physical Notes, p. 164

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Next Issue: Vol. 1, No. 15, Oct. 9, 1880


[Editorial], pp. 165-166


American Association for the Advancement of Science. 1880 [Proceedings of the Annual Meeting]
On Patent Laws as a Means for the Advancement of Science, p. 166
B. S. Hedrick
The Mean Ratio of Oxygen to Nitrogen in the Atmosphere, p. 166
E. W. Morley
Maxima and Minima Tide-Predicting Machine, pp. 166-167
William Ferrill
On the Deficiencies of Meteorological Work in Data of Value to Agriculture, and Means for Supplying Them, p. 167
William McMurtrie
Preliminary Account of a Speculative and Practical Search for a Transneptunian Planet, pp. 167-169
D. P. Todd


An Improved Electro-Motor, pp. 170-172
Theodore Wiesendanger

British Association for the Advancement of Science. 1880, pp. 172-174
Relation of Vermont Archæology to that of the Adjacent States, pp. 174-175
George H. Perkins

The Indian Census, p. 175
Experiments on the Strength of Yellow Pine, pp. 175-176
R. H. Thurston


Books Received
Mortuary Customs among the North American Indians, p. 176
Introduction to the Study of Mortuary Customs among the North American Indians.
H. C. Yarrow

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[Editorial], pp. 177-178
Science in France and Germany, pp. 178-179
Note on the Zodiacal Light, p. 180
Henry Carwill Lewis

The Action of Sunlight on Glass, p. 180
Thomas Garfield

On a Solution of Ferric Gallate and Ferric Oxalate as a Reagent for the Quantitative Analysis of Ammonia, pp. 180-181
N. B. Webster

The Unity of Nature, pp. 181-187
Duke of Argyll

An Improved Microtome, p. 187
Wm. Hailes

Chemical Notes, p. 188
C. Soret; J. M. Crafts; Mm. Jacques; Pierre Curie; E. Baudrimont; Armand Bertrand; Marie Ekunina; A. Rosentiehl; G. Wyrouboff; C. Vincent; B. Delachanal

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Previous Issue: Vol. 1, No. 15, Oct. 9, 1880
Next Issue: Vol. 1, No. 17, Oct. 23, 1880


[Editorial], pp. 189-190
Palæontological Researches. I., pp. 190-191
Henry S. Williams

The Telephone Among the Indians, p. 191
A Remarkable Meteor, p. 191
Edwin F. Sawyer

The "Yellows" of the Peach Tree, pp. 191-192
T. J. Burrill

The Antiquity of Man in Eastern America, Geologically Considered, pp. 192-193
Henry Carvill Lewis

Pyrology, and Microscopical Chemistry, pp. 193-195
W. A. Ross

Transformation of Planorbis. A Practical Illustration of the Evolution of Species. II., p. 196
Alpheus Hyatt

The Cupriferous Series in Minnesota, p. 197
On Color Blindness, p. 197
B. Joy Jeffries

An Investigation of the Vibrations of Plates Vibrated at the Centre, p. 198
Thomas R. Baker

Field Work by Amateurs, pp. 198-199
Helen Harelin Walworth

Letters to the Editor, p. 200
Henry Raymond Rogers

Comparative Zoology, p. 200
B. G. W.

Notes and Queries, p. 200

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Previous Issue: Vol. 1, No. 16, Oct. 16, 1880
Next Issue: Vol. 1, No. 18, Oct. 30, 1880


[Editorial], pp. 201-202
Accuracy in Thermometers, p. 202
The Anthropological Society of Washington, pp. 202-203
The Priority of the Late Friedrich Mohr in Regard to the Principle of the Conservation of Energy, pp. 203-205
Geo. W. Rachel

Wyandotte Government. A Short Study of Tribal Society, Delivered at the Boston Meeting of the American Association for the Advancement of Science, August 1, 1880, pp. 205-209
J. W. Powell

The Genesis of Certain Iron Ores, p. 209
T. Sterry Hunt

Microscopy, p. 209
H. F. Atwood

The Two Kinds of Vivisection-Sentisection and Callisection, p. 210
Feeling and Function as Factors in Human Development, pp. 210-211
Lester F. Ward

Professor Edward D. Cope, p. 211
Two New Methods of Fighting Injurious Insects, p. 212
A. J. Cook

Some of the Infusoria Found in Fresh Pond, Cambridge, p. 212
S. P. Sharples


Book Received
----------------, p. 212
The Metric System and Interchange of Weights and Measures.
B. Beach, Jr.; E. N. Gibbons
----------------, p. 212
Fourteen Weeks in Physics.
J. Dorman Steele
----------------, p. 212
The Young Chemist.
John H. Appleton
----------------, p. 212
A Short Course in Qualitative Chemical Analysis.
John H. Appleton

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Previous Issue: Vol. 1, No. 17, Oct. 23, 1880
Next Issue: Vol. 1, No. 19, Nov. 6, 1880


[Editorial], pp. 213-214
The Comets, p. 214
A. Hall

Ethnology. Fragmetary Notes on the Eskimo of Cumberland Sound. III., pp. 214-218
Ludwig Kumlien

Multiple Spectra. III. (Continued}, pp. 218-222
J. Norman Lockyer

The Richmond Diatomaceous Earth, p. 222
C. V. Riley

American Museum of Natural History, New York, p. 223
Astronomical Notes, p. 223
O. S.

Swifts' Comet, p. 223
E. Barnard

Botany, pp. 223-224
Microscopy, p. 224
Physical Notes, p. 224


Books Received
----------------, p. 224
Sugar Analysis-A Description of the Methods Used in Estimating the Constituents.
M. Benjamin

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Next Issue: Vol. 1, No. 20, Nov. 13, 1880


[Editorial], pp. 225-226
Law According to Which the Metals, and Their Ores, Came to, or Near to, the Surface of the Earth, pp. 226-228
Richard Owen

The Unity of Nature. II., pp. 228-232
Duke of Argyll

Improvement of the Mississippi River, pp. 232-233
W. H. Ballou

On the Nutritive Value of Fish, pp. 233-234
W. O. Atwater

Anatomy of the Tongue in Snakes and Other Reptiles, and in Birds, p. 234
C. S. Minot

Some Facts and Theories Bearing a Relation to the Distribution of Organic Forms on the Globe, pp. 234-235
W. H. Davis

New Species of Mollusca and Echinoderms, p. 235
A Poisonous Product of Fermented Indian Corn, p. 235
Taxidermy, p. 235


Books Received
----------------, p. 235
The Journal of Nervous and Mental Diseases, for October, 1880.


Do Sharks Swallow Their Young for Protection?, p. 236
B. G. Wilder

A Fine Bolide, p. 236
Edwin F. Sawyer

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Next Issue: Vol. 1, No. 21, Nov. 20, 1880


[Editorial], p. 237
On Some Needed Changes and Additions to Physical Nomenclature, pp. 238-241
A. E. Dolbear

The Spanish Mackerel and Its Artificial Propagation, pp. 241-242
Chas. W. Smiley

The Island of Montreal, p. 242
William Boyd

Friedrich Mohr's Life and Works, pp. 242-246
Geo. W. Rachel

Correspondence, p. 247
W. A. Ross

Chemical Notes, p. 247


Books Received
----------------, p. 248
American Science Series-Botany-for High Schools and Colleges.
Charles E. Bessey


Notes and Queries, p. 248
J. R. B.

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Previous Issue: Vol. 1, No. 20, Nov. 13, 1880
Next Issue: Vol. 1, No. 22, Nov. 27, 1880


The Signal Service, pp. 249-250
To Astronomers, pp. 250-251
Contributions to Encephalic Anatomy. The Objects and Methods of a Study of the Ichthyopsidean Brain. II., pp. 251-254
E. C. Spitzka

Weight, Specific Gravity, Rates of Absorption, and Capabilities of Standing Heat of Various Building Stones, pp. 254-256
Hiram A. Cutting

Mineral Wax, a Resume, pp. 256-257
M. Benjamin

Textile Fabrics of the Ancient Inhabitants of the Mississippi Valley, p. 257
Judge J. G. Henderson

Occurrence of Tin at Winslow, Me, p. 257
C. H. Hitchcock

Microscopy, p. 257
Swift's Comet, p. 258
W. C. W.

The New Periodic Comet, pp. 258-259
Lewis Swift

Comet E 1880, p. 259
A. Hall

Astronomical Notes, p. 259
O. S.; W. C. W.


Books Received
----------------, p. 260
British Thoughts and Thinkers-Introductory Studies-Critical, Biographical and Philosophical.
George S. Morris


Physical Notes, p. 260

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Next Issue: Vol. 1, No. 23, Dec. 4, 1880


[Editorial], p. 261
B. G. W.

The National Academy of Sciences, p. 262
The Anthropological Society, p. 262
Astronomy, pp. 262-263
W. C. W.

Microscopical Collections in Florida, pp. 263-266
C. C. Merriman

The Unity of Nature. III., pp. 267-270
Duke of Argyll

Professor James C. Watson, p. 270
W. C. W.

The American Society of Microscopists, p. 270
R. H. Ward; O. S.

Letters to the Editor, p. 271
R. Hitchcock; John H. Rhodes


Books Received
----------------, p. 272
Methods and Results.-Description of an Improved Vertical Clamp for the Telescopes of Theodolites and Meridian Instruments-United States Coast and Geodetic Survey.
----------------, p. 272
Manual of the Vertebrates of the Northern United States.
David Starr Jordan
----------------, p. 272
The Electric Laryngoscope.
A. Wellington Adams

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Previous Issue: Vol. 1, No. 22, Nov. 27, 1880
Next Issue: Vol. 1, No. 24, Dec. 11, 1880


[Editorial], pp. 273-274
Tycho Brahe's New Star, pp. 274-275
A. Hall

New York Academy of Science, p. 275
Historical Notes on Gas Illumination, pp. 275-277
J. M.

The Distribution of Time, pp. 277-280
Leonard Waldo

The Unity of Nature. III. Animal Instinct in Its Relations to the Mind of Man (Continued), pp. 280-282
Duke of Argyll

Astronomical Notes, pp. 282-283
W. C. W.

Swift's Comet, pp. 283-284
A. Hall; William R. Brooks

Microscopy, p. 284


Books Received
----------------, p. 284
The Naturalist's Directory for 1880.
Samuel E. Cassino

Previous Issue: Vol. 1, No. 22, Nov. 27, 1880
Next Issue: Vol. 1, No. 24, Dec. 11, 1880



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Previous Issue: Vol. 1, No. 23, Dec. 4, 1880
Next Issue: Vol. 1, No. 25, Dec. 18, 1880


[Editorial], p. 285
The Epsom Mineral Water of Missouri, pp. 285-286
Chas. E. Wait

The Anthropological Society, p. 286
The Man of the Caves, pp. 286-287
W. Boyd Dawkins

Natural Selection, p. 287
Propagation of Sound by Light in 1811, pp. 287-288
J. M.

The National Academy of Sciences, p. 288
On the Measurement of Radiant Energy, pp. 288-289
S. P. Langley

On the Intimate Structure of Certain Mineral Veins, p. 289
Benjamin Veins

The Turquoise of New Mexico, p. 289
Benjamin Silliman

On a New General Method of Analysis, p. 289
Walcott Gibbs

Note Upon the Relations of the One-Onta and Montrose Sandstones of Vanuxem, and Their Relation to the Sandstones of the Catskill Mountains, p. 290
James Hall

An Improved Method of Operating the Sprengel Air-Pump, p. 291
Ogden N. Rood

Report of the Commissioner of Education, for 1878, pp. 291-292
Educational Benefactions, p. 292
Palæontology. The Devonian Insects of New Brunswick, pp. 292-293
Microscopy, p. 293
Astronomy, pp. 293-294
The November Leonids, 1880, p. 294
Edwin F. Sawyer

Letters to the Editor, pp. 294-295
E. E. Barnard; Wm. W. Payne; W. C. W.


Books Received
----------------, p. 296
A General Description of the State of Indiana.
----------------, p. 296
The Scientific English Reader.
F. J. Wershoven; F. A. Brockhaus
----------------, p. 296
The Student.
----------------, p. 296
Griffen's Chart of Animal Classification.
A. B. Griffen


Chemical Notes, p. 296

Previous Issue: Vol. 1, No. 23, Dec. 4, 1880
Next Issue: Vol. 1, No. 25, Dec. 18, 1880



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Science, Vol. 1, No. 25, Dec. 18, 1880


Previous Issue: Vol. 1, No. 24, Dec. 11, 1880
Next Issue: Vol. 1, No. 26, Dec. 25, 1880


[Editorial], p. 297
On the Superficial Viscidity of Liquids, pp. 298-302
J. Plateau; Clara Lanza

On the Structure of the Orang Outang, pp. 302-303
Henry C. Chapman

On the Origin of Anthracite, p. 303
T. Sterry Hunt

Nimravidæ and Miocene Canidae, p. 303
Edward D. Cope

On Photographing the Nebula in Orion, p. 304
Henry Draper

Electro-Motive Force of the Brush Dynamo-Electric Machine, p. 304
Henry Morton

Application of the Photophone to the Study of the Noises Taking Place on the Surface of the Sun, p. 304
Lecture Photophone, p. 304
Astronomy, p. 305
Microscopy, pp. 305-306
Botany, p. 306
Chemical Notes, p. 307
Physical Notes, p. 307


Books Received
----------------, p. 308
Zoology for High Schools and Colleges.
A. S. Packard, Jr.

Previous Issue: Vol. 1, No. 24, Dec. 11, 1880
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Previous Issue: Vol. 1, No. 25, Dec. 18, 1880
Next Issue: Vol. 1, No. 27, Dec. 31, 1880


[Editorial], p. 309
An Illustration, pp. 309-310
A. Hall

Professor Tait and Mr. Herbert Spencer, p. 310
Reversion in Floral Parts, pp. 310-311
William A. Buckhout

The Classification of Science. I. Definitions, pp. 311-313
Samuel Fleming

Personal Danger Connected with Electric Lighting, p. 314
Report of the Dredging Cruise of the U. S. Steamer Blake, Commander Bartlett, during the Summer of 1880, p. 314
Alexander Agassiz

The Duration of the Arctic Winter, p. 314
F. Schwatka

Sigsbee's Gravitating Trap, p. 314
Alexander Agassiz

Dr. Siemens' Electrical Furnace, pp. 315-316
Desilverization of Lead by the Zinc Process, pp. 316-317
J. E. Stoddart

The Terrestrial Progression of the Brazilian "Cambota," Callichthys asper, p. 317
Burt G. Wilder

Astronomy, pp. 317-318
W. C. W.; E. E. Barnard; S. W. Burnham; Aaron N. Skinner

Botany, p. 318
Microscopy, pp. 318-319
Physiology, p. 319
Chemical Notes, p. 319
F. Sestini; V. D. Vorak


Books Received
----------------, p. 320
Four Lectures on Static Electric Induction.
J. E. H. Gordon
----------------, p. 320
Naturen.-Et Illustreret Maanedsskrift for Populær Naturvidenskab, udgivet af Hans H. Reusch, Cand. real.


Notes, p. 320

Previous Issue: Vol. 1, No. 25, Dec. 18, 1880
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Science, Vol. 1, No. 27, Dec. 31, 1880


Previous Issue: Vol. 1, No. 26, Dec. 25, 1880
Next Issue: Vol. 2, No. 28, Jan. 8, 1881


Volume Information (16 pp.)
[Editorial], p. 321
Some Recent American Papers in Comparative Anatomy, pp. 322-323
B. G. W.

On the Constitution of the Naphtha-Lines and Their Derivatives, pp. 323-325
M. Benjamin; T. Tonnelé

National Academy of Sciences, pp. 325-326
The Brain of the Orang, pp. 326-328
Henry C. Chapman

Causes Which Determine the Progressive Movement of Storms, p. 328
Elias Loomis

Letters to the Editor, pp. 329-330
E. C. Spitzka; T. B. Stowell

Astronomy, pp. 330-331
A. Hall; W. C. W.; Alexander Winchell

The Royal Society, p. 331
Chemical Notes, p. 331


Books Received
----------------, p. 332
Proceedings of the Academy of Natural Sciences of Philadelphia, Part II.-April to September, 1880.
Edward J. Nolan
----------------, p. 332
Proceedings of the Mineralogical and Geological Section of the Academy of Natural Sciences of Philadelphia.
----------------, p. 332
Handbook of Systematic Urinary Analysis, Chemical and Microscopical.
Frank M. Deems


Society of American Taxidermists, p. 332

Previous Issue: Vol. 1, No. 26, Dec. 25, 1880
Next Issue: Vol. 2, No. 28, Jan. 8, 1881



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