Science, New Series, Vol. 23, No. 575, Jan. 5, 1906


Previous Issue: New Series, Vol. 22, No. 574, Dec. 29, 1905
Next Issue: New Series, Vol. 23, No. 576, Jan. 12, 1906


Volume Information (8 pp.)
Front Matter (1 p.)


The American Association for the Advancement of Science
The Popular Conception of the Scientific Man at the Present Day, pp. 1-14
W. G. Farlow


The Problem of the Metalliferous Veins, pp. 14-29
James Furman Kemp


Scientific Books
----------------, pp. 29-31
The Tower of Pelée
Angelo Heilprin
Review author[s]: Ernest Howe
The Belgian Antarctic Expedition, p. 31
Resultats du voyage du S. Y. `Belgica' en 1897-98-99, sous le commandement de A. de Gerlache de Gomery. Rapports scientifique: Zoologie. Organogénie des Pinnipèdes. I., Les extrémités
H. Leboucq
Review author[s]: W. H. Dall


Scientific Journals and Articles, pp. 31-32
Societies and Academies, pp. 32-33


Discussion and Correspondence
Isolation and Evolution, p. 34
Edward W. Berry
On the Human Origin of the Small Mounds of the Lower Mississippi Valley and Texas, pp. 34-36
A. C. Veatch


Special Articles
The Terminology of Aberrant Chromosomes and Their Behavior in Certain Hemiptera, pp. 36-38
Thos. H. Montgomery


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

Previous Issue: New Series, Vol. 22, No. 574, Dec. 29, 1905
Next Issue: New Series, Vol. 23, No. 576, Jan. 12, 1906



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Science, New Series, Vol. 23, No. 576, Jan. 12, 1906


Previous Issue: New Series, Vol. 23, No. 575, Jan. 5, 1906
Next Issue: New Series, Vol. 23, No. 577, Jan. 19, 1906


Front Matter (1 p.)


The American Association for the Advancement of Science
The New Orleans Meeting of the American Association for the Advancement of Science, pp. 41-49
Clarence A. Waldo
The Relation of Mechanics to Physics, pp. 49-56
Alexander Ziwet
The Sanitary Value of a Water Analysis, pp. 56-66
Leonard P. Kinnicutt


Scientific Books
----------------, pp. 66-67
Handbook of Metallurgy
Carl Schnabel
Review author[s]: Joseph Struthers
Some Recent Books Relating to Analytical Chemistry, pp. 67-68
A Text-Book of Chemical Arithmetic
H. L. Wells
A Manual of Qualitative Chemical Analysis
J. F. McGregory
Techno-Chemical Analysis
G. Lunge
A Handbook of the Trees of California
Alice Eastwood
Review author[s]: Charles William Foulk; Albert Schneider


Societies and Academies, pp. 68-70


Discussion and Correspondence
The Soils for Apples, pp. 70-71
E. W. Hilgard
Isolation as One of the Factors in Evolution, pp. 71-72
E. A. Ortmann


Special Articles
Reactions in Solutions as a Source of E.M.F., pp. 72-73
Chas. A. Culver
Pear-Leaf Blister-Mite (Eriophyes Piri Nal.), p. 73
P. J. Parrott


Quotations
The Metric System, pp. 73-74


Current Notes on Meteorology, pp. 74-76
R. DeC. Ward

The American Physiological Society, p. 76
The Congress of the United States, p. 76
Scientific Notes and News, pp. 76-80
University and Educational News, p. 80

Previous Issue: New Series, Vol. 23, No. 575, Jan. 5, 1906
Next Issue: New Series, Vol. 23, No. 577, Jan. 19, 1906



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Science, New Series, Vol. 23, No. 577, Jan. 19, 1906


Previous Issue: New Series, Vol. 23, No. 576, Jan. 12, 1906
Next Issue: New Series, Vol. 23, No. 578, Jan. 26, 1906


Front Matter (1 p.)


The American Association for the Advancement of Science
The Generic Concept in the Classification of the Flowering Plants, pp. 81-92
B. L. Robinson
Investigations and Commercial Tests in Connection with the Work of an Engineering College, pp. 92-97
D. S. Jacobus


Address Before the Central Botanists, pp. 97-100
William Trelease

The American Mathematical Society, pp. 101-102
F. N. Cole


Scientific Books
----------------, pp. 102-107
Publications of the Jesup North Pacific Expedition
Review author[s]: Franz Boas
----------------, pp. 107-108
Nebula to Man
Henry R. Knipe
Review author[s]: W. J. Holland


Societies and Academies, pp. 108-112


Discussion and Correspondence
Mendelian Inheritance and the Purity of the Gametes, pp. 112-113
E. B. Wilson
The Logical Basis of the Sanitary Policy of Mosquito Reduction, pp. 113-114
John B. Smith
Yellow Fever and the Panama Canal, p. 114
Vernon L. Kellogg


Report of the Tenth Geological Expedition of Hon. Charles H. Morrill, Season of 1905, pp. 114-115
Erwin Hinckley Barbour

Report to the Trustees of the Elizabeth Thompson Science Fund of Professor Boveri's Researches, pp. 115-116
Charles S. Minot

The Congress of the United States, pp. 116-117
Scientific Notes and News, pp. 117-120
University and Educational News, p. 120

Previous Issue: New Series, Vol. 23, No. 576, Jan. 12, 1906
Next Issue: New Series, Vol. 23, No. 578, Jan. 26, 1906



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Science, New Series, Vol. 23, No. 578, Jan. 26, 1906


Previous Issue: New Series, Vol. 23, No. 577, Jan. 19, 1906
Next Issue: New Series, Vol. 23, No. 579, Feb. 2, 1906


Front Matter (1 p.)
Report of the President of the Carnegie Institution, pp. 121-133
R. S. Woodward

Annual Meeting of the Central Bottanists Held at Ann Arbor, December 28 and 29, 1905, pp. 133-134
Bradley M. Davis


Scientific Books
----------------, pp. 134-135
A Text-Book of Physiology
William H. Howell
Review author[s]: Charles W. Greene
----------------, pp. 135-136
Karl Heumann's Anleitung zum Experimentieren bei Vorlesungen über anorganischen Chemie
O. Kühling
Review author[s]: W. A. N.
----------------, p. 136
A Treatise on Chemistry
H. E. Roscoe; C. Schorlemmer
Review author[s]: W. A. N.
----------------, p. 136
Cours de Chimie. A L'Usage des Etudiants du P. G. N.
R. De Forchand
Review author[s]: W. A. N.
Strabo on Climatology, pp. 136-137
Klimalehre der alten Griechen nach den Geographica Strabos
Hans Rid
Review author[s]: R. DeC. Ward


Scientific Journals and Articles, p. 137
Societies and Academies, pp. 137-142


Discussion and Correspondence
Heredity and Subspecies, pp. 142-145
J. A. Allen
The Evolution of Species Through Climatic Conditions, pp. 145-146
T. D. A. Cockerell
Ontogenetic Species and Convergent Genera, pp. 146-147
Arthur Erwin Brown
Ethnic Types and Isolation, pp. 147-149
Clark Wissler


Special Articles
Physiological Regeneration in Insects, pp. 149-152
Vernon L. Kellogg
A Preliminary Note on Ascus and Spore Formation in the Laboulbeniaceae, pp. 152-153
J. Horace Faull
Inbreeding, Cross-Breeding and Sterility in Drosophila, p. 153
W. E. Castle


Current Notes on Meteorology, pp. 153-155
R. DeC. Ward

The New England Intercollegiate Geological Excursion, 1905. Geology of the Nantasket Area, pp. 155-156
D. W. J.

The Cartwright Lectures and Baron Takaki, p. 156
The Sixth International Congress of Applied Chemistry, pp. 156-157
H. W. Wiley

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

Previous Issue: New Series, Vol. 23, No. 577, Jan. 19, 1906
Next Issue: New Series, Vol. 23, No. 579, Feb. 2, 1906



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Science, New Series, Vol. 23, No. 579, Feb. 2, 1906


Previous Issue: New Series, Vol. 23, No. 578, Jan. 26, 1906
Next Issue: New Series, Vol. 23, No. 580, Feb. 9, 1906


Front Matter (1 p.)


The American Association for the Advancement of Science
The Partition of Energy, pp. 161-178
W. F. Magie
Transportation and Combination, pp. 178-184
Martin A. Knapp


Scientific Books
----------------, pp. 184-185
A Systematic Handbook of Volumetric Analysis
Francis Sutton
Review author[s]: F. L.
----------------, p. 185
A Text-Book of Quantitative Chemical Analysis
J. C. Olsen
Review author[s]: F. L.


Scientific Journals and Articles, pp. 185-186
Societies and Academies, pp. 186-187


Discussion and Correspondence
Please Excuse the Kelep, pp. 187-189
O. F. Cook


Special Articles
A New Theory of Sex-Production, pp. 189-191
E. B. Wilson


Astronomical Notes, pp. 191-192
S. I. Bailey

Current Notes on Meteorology, pp. 192-194
R. DeC. Ward

Notes on the History of Natural Science, pp. 194-195
C. R. Eastman

Robert Bowne Warder, pp. 195-197
Frank V. Cameron; F. W. Clarke; Wm. H. Seaman; Frederic P. Dewey

Scientific Notes and News, pp. 197-200
University and Educational News, p. 200

Previous Issue: New Series, Vol. 23, No. 578, Jan. 26, 1906
Next Issue: New Series, Vol. 23, No. 580, Feb. 9, 1906



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Science, New Series, Vol. 23, No. 580, Feb. 9, 1906


Previous Issue: New Series, Vol. 23, No. 579, Feb. 2, 1906
Next Issue: New Series, Vol. 23, No. 581, Feb. 16, 1906


Front Matter (1 p.)


American Association for the Advancement of Science
Section G--Botany, pp. 201-205
Francis E. Lloyd


Society of American Bacteriologists, pp. 205-221
F. P. Gorham

The Botanical Society of America, pp. 221-222
William Trelease

The Association of American Geographers, pp. 222-223
A. P. B.


Scientific Books
----------------, pp. 223-225
The Life of Reason, or the Phases of Human Progress
George Santayana
Review author[s]: John Dewey
----------------, pp. 225-227
Economic Geology of the United States
Heinrich Ries
Review author[s]: A. C. Lane
----------------, pp. 227-228
Die Riechstoffe
Georg Cohn
Die ätherischen Oele nach ihren chemischen Bestandteilen unter Berüsksichtigung der geschichtlichen Entwicklung
F. W. Semmler
Review author[s]: Marston Taylor Bogert


Scientific Journals and Articles, pp. 228-229
Societies and Academies, pp. 229-232


Discussion and Correspondence
Relation of Museums to Experts, p. 232
S. M. Tracy
The Letters K and W in Zoological Nomenclature, pp. 232-233
T. D. A. C.


Special Articles
The Classification of Mosquitoes, pp. 233-234
Harrison G. Dyar


The Question of Tax-Free Alcohol, pp. 234-235
J. H. Long

The Andrew Carnegie Research Scholarship, p. 235
Bennett H. Brough

Scholarships and Fellowships of the Rockefeller Institute for Medical Research, p. 235
L. Emmet Holt

The American Philosophical Society, p. 236
Scientific Notes and News, pp. 236-239
University and Educational News, pp. 239-240

Previous Issue: New Series, Vol. 23, No. 579, Feb. 2, 1906
Next Issue: New Series, Vol. 23, No. 581, Feb. 16, 1906



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Science, New Series, Vol. 23, No. 581, Feb. 16, 1906


Previous Issue: New Series, Vol. 23, No. 580, Feb. 9, 1906
Next Issue: New Series, Vol. 23, No. 582, Feb. 23, 1906


Front Matter (1 p.)


The American Association for the Advancement of Science
Is Mutation a Factor in the Evolution of the Higher Vertebrates?, pp. 241-257
C. Hart Merriam
Section F--Zoology, pp. 257-260
C. Judson Herrick


Scientific Books
----------------, pp. 260-261
The Elements of Psychology
Edward L. Thorndike
Review author[s]: Edmund B. Delabarre
----------------, p. 262
Radio-Activity
E. Rutherford
Review author[s]: C. Barus


Scientific Journals and Articles, pp. 262-263
Societies and Academies, pp. 263-268


Discussion and Correspondence
A New World for the Blind, pp. 268-270
George M. Gould
Color-Associations with Numerals, etc. (Fourth Note.) 1882-1906, p. 270
Edward S. Holden
The Yellow-Fever Mosquito, pp. 270-271
Frederick Knab


Special Articles
The Primeval Atmosphere, pp. 271-274
Ralph H. McKee


Current Notes on Meteorology, pp. 274-276
R. DeC. Ward

A Colorado School of Forestry, p. 276
The Geological Survey of Illinois, pp. 276-277
The Memorial of Major Walter Reed, U. S. A., p. 277
Scientific Notes and News, pp. 277-280
University and Educational News, p. 280

Previous Issue: New Series, Vol. 23, No. 580, Feb. 9, 1906
Next Issue: New Series, Vol. 23, No. 582, Feb. 23, 1906



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Science, New Series, Vol. 23, No. 582, Feb. 23, 1906


Previous Issue: New Series, Vol. 23, No. 581, Feb. 16, 1906
Next Issue: New Series, Vol. 23, No. 583, Mar. 2, 1906


Front Matter (1 p.)


The Society of American Naturalists
Meeting of the Central Branch, p. 281
Address of Welcome by President Angell, p. 282
Some Aspects of the Endowment of Research, pp. 282-286
Henry H. Donaldson


American Association for the Advancement of Science
Section E--Geology and Geography, pp. 286-291
Edmund Otis Hovey


Morphology and Phylogeny, pp. 291-297
E. C. Jeffrey

The Affiliation of Psychology with Philosophy and with the Natural Sciences, pp. 297-301
G. Stanley Hall


Scientific Books
----------------, pp. 301-302
Organography of Plants
K. Goebel
Review author[s]: Charles E. Bessey
----------------, pp. 302-303
Outlines of Inorganic Chemistry
Frank Austin Gooch; Claude Frederic Walker
Review author[s]: Edward H. Keiser


Scientific Journals and Articles, p. 303
Societies and Academies, pp. 303-307


Discussion and Correspondence
Ecological Adaptation and Ecological Selection, pp. 307-310
Charles Robertson
`Barriers' and `Bionomic Barriers'; or Isolation and Non-Isolation as Bionomic Factors, pp. 310-312
J. A. Allen


Special Articles
On the Breaking-Up of the Old Genus Culex, pp. 312-314
D. W. Coquillett
Importations of the Prickly Pear from Mexico, p. 314
David Griffiths


Current Notes on Meteorology, pp. 314-316
R. DeC. Ward

The Congress of the United States, pp. 316-317
The Coming Meeting of the Museums Association of America, p. 317
W. J. Holland

Scientific Notes and News, pp. 317-320
University and Educational News, p. 320

Previous Issue: New Series, Vol. 23, No. 581, Feb. 16, 1906
Next Issue: New Series, Vol. 23, No. 583, Mar. 2, 1906



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Science, New Series, Vol. 23, No. 583, Mar. 2, 1906


Previous Issue: New Series, Vol. 23, No. 582, Feb. 23, 1906
Next Issue: New Series, Vol. 23, No. 584, Mar. 9, 1906


Front Matter (1 p.)
The New Orleans Meeting of Section C of the American Association for the Advancement of Science and of the American Chemical Society, pp. 321-340
Chas. L. Parsons; C. E. Waters


Scientific Books
----------------, pp. 340-344
The Organization and Cell-Lineage of the Ascidian Egg
E. G. Conklin
Review author[s]: C. M. Child
----------------, pp. 344-345
Lehrbuch der Meteorologie
Julius Hann
Review author[s]: R. DeC. W.


Societies and Academies, pp. 345-348


Discussion and Correspondence
The Kelep Excused, pp. 348-350
William Morton Wheeler


Special Articles
Rambur and the Nature of Species, pp. 350-351
David Starr Jordan
Glacial Notes from the Canadian Rockies and Selkirks, pp. 351-354
W. H. Sherzer


Botanical Notes, pp. 354-356
Charles E. Bessey

Work at the Lake Laboratory for the Season of 1905, p. 356
Herbert Osborn

The British Association, pp. 356-357
Scientific Notes and News, pp. 357-359
University and Educational News, pp. 359-360

Previous Issue: New Series, Vol. 23, No. 582, Feb. 23, 1906
Next Issue: New Series, Vol. 23, No. 584, Mar. 9, 1906



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Science, New Series, Vol. 23, No. 584, Mar. 9, 1906


Previous Issue: New Series, Vol. 23, No. 583, Mar. 2, 1906
Next Issue: New Series, Vol. 23, No. 585, Mar. 16, 1906


Front Matter (1 p.)


The American Association for the Advancement of Science
Section K--Physiology and Experimental Medicine, pp. 361-362
Wm. J. Gies
The Experimental Method in Sanitary Science and Sanitary Administration, pp. 362-367
William T. Sedgwick
Symposium on Yellow Fever and Other Insect-Borne Diseases, pp. 367-385


Scientific Books
----------------, pp. 385-386
The Analytical Theory of Light
James Walker
The Electromagnetic Theory of Light
Charles Emerson Curry
Review author[s]: C. E. M.
----------------, pp. 386-387
Catalogue of the Crosby Brown Collection of Musical Instruments of All Nations
Review author[s]: Charles Karson Wead


Scientific Journals and Articles, p. 387
Societies and Academies, pp. 387-390


Discussion and Correspondence
Eye Anomalies, pp. 390-391
Carl Barus
Preserving Spiders' Webs, p. 391
Frank E. Lutz
A New Meteorite from Scott County, Kansas, pp. 391-392
George P. Merrill
The Walter Reed Memorial Fund, pp. 392-393
G. M. K.


Special Articles
Results of a Replantation of the Thigh, pp. 393-394
Alexis Carrel; C. C. Guthrie
Successful Transplantation of Both Kidneys from a Dog into a Bitch with Removal of Both Normal Kidneys from the Latter, pp. 394-395
Alexis Carrel; C. C. Guthrie


Notes on Entomology, p. 395
Nathan Banks

Japanese Meteorological Service in Korea and China, pp. 396-397
S. T. Tamura

Scientific Notes and News, pp. 397-400
University and Educational News, p. 400

Previous Issue: New Series, Vol. 23, No. 583, Mar. 2, 1906
Next Issue: New Series, Vol. 23, No. 585, Mar. 16, 1906



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Science, New Series, Vol. 23, No. 585, Mar. 16, 1906


Previous Issue: New Series, Vol. 23, No. 584, Mar. 9, 1906
Next Issue: New Series, Vol. 23, No. 586, Mar. 23, 1906


Front Matter (3 pp.)


The American Association for the Advancement of Science
Section K--Physiology and Experimental Medicine, pp. 401-415
Section B--Physics, pp. 415-421
Dayton C. Miller


The Society for Plant Morphology and Physiology, pp. 421-428
W. F. Ganong


Scientific Books
----------------, pp. 428-429
Allgemeine Biologie. Zweite Auflage des Lehrbuchs `Die Zelle und die Gewebe.'
Oscar Hertwig
Review author[s]: Frank R. Lillie


Societies and Academies, pp. 430-433


Discussion and Correspondence
Isolation and the Evolution of Species, pp. 433-434
John T. Gulick
Salmon Hybrids, p. 434
David Starr Jordan


Special Articles
An Interesting Discovery of Human Implements in an Abandoned River Channel in Southern Oregon, pp. 434-436
J. F. Kemp


Astronomical Notes, pp. 436-438
S. I. Bailey

Samuel Pierpont Langley, p. 438
Scientific Notes and News, pp. 438-440
University and Educational News, p. 440

Previous Issue: New Series, Vol. 23, No. 584, Mar. 9, 1906
Next Issue: New Series, Vol. 23, No. 586, Mar. 23, 1906



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Science, New Series, Vol. 23, No. 586, Mar. 23, 1906


Previous Issue: New Series, Vol. 23, No. 585, Mar. 16, 1906
Next Issue: New Series, Vol. 23, No. 587, Mar. 30, 1906


Front Matter (1 p.)
The Astronomical and Astrophysical Society of America, pp. 441-460
Harold Jacoby


The American Association for the Advancement of Science
Section A--Mathematics and Astronomy, pp. 460-463
Laenas Gifford Weld


Scientific Books
----------------, pp. 463-465
Die Schule der Chemie. Erste Einführung in die Chemie für Jedermann
Wilhelm Oswald
Review author[s]: William A. Noyes


Scientific Journals and Articles, p. 465
Societies and Academies, pp. 465-469


Discussion and Correspondence
A New Type of Electric Organ in an American Teleost Fish Astroscopus, pp. 469-470
Ulric Dahlgren
A New Method of Collecting Earthworms for Laboratory Use, pp. 470-471
Charles W. Hargitt


Special Articles
Effect of Drying Upon Legume Bacteria, pp. 471-472
Karl F. Kellerman; T. D. Beckwith


Current Notes on Meteorology, pp. 472-473
R. DeC. Ward

Botanical Notes, pp. 473-475
Charles E. Bessey

The Magnetic Survey of the Pacific Ocean: Second Cruise, p. 475
L. A. Bauer

University Control, pp. 475-477
J. McKeen Cattell

Scientific Notes and News, pp. 477-480
University and Educational News, p. 480

Previous Issue: New Series, Vol. 23, No. 585, Mar. 16, 1906
Next Issue: New Series, Vol. 23, No. 587, Mar. 30, 1906



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Science, New Series, Vol. 23, No. 587, Mar. 30, 1906


Previous Issue: New Series, Vol. 23, No. 586, Mar. 23, 1906
Next Issue: New Series, Vol. 23, No. 588, Apr. 6, 1906


Front Matter (1 p.)


The American Association for the Advancement of Science
On Some Post-Eocene and Other Formations of the Gulf Region of the United States, pp. 481-491
Eugene A. Smith


Anthropology at the South African Meeting of the British Association for the Advancement of Science, 1905, pp. 491-497
Alfred C. Haddon


Scientific Books
----------------, pp. 497-498
The Coral Siderastrea Radians and its Postlarval Development
J. E. Duerden
Review author[s]: H. V. W.
----------------, p. 498
Die Krystallgestalten der Mineralogie in Stereoskopischen Bildern
Theodor Hartwig
Review author[s]: John E. Wolff


Scientific Journals and Articles, pp. 499-500
Societies and Academies, pp. 500-504


Discussion and Correspondence
A Case of Isolation without `Barriers.', pp. 504-506
A. E. Ortmann
Factors of Species-Formation, pp. 506-507
O. F. Cook


Special Articles
The Possibility of Psychical Factors in Illusions of Reversed Motion, pp. 507-509
Guy Montrose Whipple
A Note on Mid-Cretaceous Geography, pp. 509-510
Edward W. Berry
Age of Petroleum Deposits, Saratoga, Texas, pp. 510-511
E. T. Dumble


Current Notes on Meteorology, pp. 511-512
R. DeC. Ward

Entomological Notes, pp. 512-513
Nathan Banks

Robert Ogden Doremus, pp. 513-514
Charles F. Chandler

A Standard Agricultural Course, pp. 514-515
The Metric System Before Congress, pp. 515-516
The Congress of the United States, pp. 516-517
The Jubilee of the Academy of Science of St. Louis, p. 517
Scientific Notes and News, pp. 517-519
University and Educational News, pp. 519-520

Previous Issue: New Series, Vol. 23, No. 586, Mar. 23, 1906
Next Issue: New Series, Vol. 23, No. 588, Apr. 6, 1906



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Science, New Series, Vol. 23, No. 588, Apr. 6, 1906


Previous Issue: New Series, Vol. 23, No. 587, Mar. 30, 1906
Next Issue: New Series, Vol. 23, No. 589, Apr. 13, 1906


Front Matter (1 p.)
The Proceedings of the American Society of Zoologists, pp. 521-529
C. E. McClung

Town and Gown, pp. 529-536
William Milligan Sloane

The Organization of University Government, pp. 536-540
John Maxson Stillman


Scientific Books
----------------, pp. 540-544
Flashlights in the Jungle
C. G. Schillings
Review author[s]: Francis H. Herrick


Scientific Journals and Articles, pp. 544-545


Discussion and Correspondence
The Distribution of Government Publications, pp. 545-547
Junius Henderson
A Suggestion for an International Bibliographic Exchange, p. 547
Eugene F. McPike
A Summary of the Bibliographie Astronomique of Lalande for the Years A.D. 130 to 1473, the Epoch at Which Scientific Books Began to be Printed, p. 548
Edward S. Holden


Special Articles
A Mendelian Character in Cattle, pp. 549-551
W. J. Spillman
Preliminary Notes on the Archeology of the Yakima Valley, Washington, pp. 551-555
Harlan I. Smith


Current Notes on Meteorology, pp. 555-556
R. DeC. Ward

Frederick C. Paulmier, pp. 556-557
E. B. W.

Mechanical Flight, pp. 557-558
Orville Wright; Wilbur Wright

Scientific Notes and News, pp. 558-560
University and Educational News, p. 560

Previous Issue: New Series, Vol. 23, No. 587, Mar. 30, 1906
Next Issue: New Series, Vol. 23, No. 589, Apr. 13, 1906



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Science, New Series, Vol. 23, No. 589, Apr. 13, 1906


Previous Issue: New Series, Vol. 23, No. 588, Apr. 6, 1906
Next Issue: New Series, Vol. 23, No. 590, Apr. 20, 1906


Front Matter (1 p.)
The Academic Career as Affected by Administration, pp. 561-574
Joseph Jastrow


Scientific Books
----------------, pp. 574-576
Elements of Mechanics
Mansfield Merriman
Elements of the Kinematics of a Point and the Rational Mechanics of a Particle
G. O. James
Review author[s]: L. M. Hoskins
The Other Side of Evolution, pp. 576-579
Review author[s]: Carl H. Eigenmann


Societies and Academies, pp. 579-582


Discussion and Correspondence
Meteorite Shower at Modoc, Kansas, pp. 582-583
Oliver C. Farrington
Capture of the West Indian Seal (Monachus Tropicalis) at Key West, Florida, p. 583
C. H. Townsend
On the Origin of the Small Mounds of the Lower Mississippi Valley and Texas, pp. 583-584
P. J. Farnsworth


Special Articles
The Fish Genus Alabes or Cheilobranchus, pp. 584-585
Theo. Gill
The Functions of the Fins of Fishes, pp. 585-587
Raymond C. Osburn
Columbia Field Work in 1905 Intercollegiate Field Courses in Geology, pp. 587-590
Thomas C. Brown
Preliminary Note on the Embryogeny of Symplocarpus Foetidus Salisb, p. 590
C. Otto Rosendahl
Lower Paleozoic Formations in New Mexico, pp. 590-591
C. H. Gordon; L. C. Graton
A New Method for the Homoplastic Transplantation of the Ovary, p. 591
Alexis Carrel; C. C. Guthrie


Current Notes on Meteorology, pp. 592-593
R. DeC. Ward

Carbon Suboxide, p. 593
J. Bishop Tingle

Analysis of the Results of the Twelfth Census, p. 594
Awards of the Royal Geographical Society, pp. 594-595
The Congress of the United States, pp. 595-596
The Ohio State University, p. 596
The Installation of President Houston, pp. 596-597
The American Philosophical Society, pp. 597-598
Scientific Notes and News, pp. 598-600
University and Educational News, p. 600

Previous Issue: New Series, Vol. 23, No. 588, Apr. 6, 1906
Next Issue: New Series, Vol. 23, No. 590, Apr. 20, 1906



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Science, New Series, Vol. 23, No. 590, Apr. 20, 1906


Previous Issue: New Series, Vol. 23, No. 589, Apr. 13, 1906
Next Issue: New Series, Vol. 23, No. 591, Apr. 27, 1906


Front Matter (2 pp.)


The American Association for the Advancement of Science
Section I--Social and Economic Science, pp. 601-619
John Franklin Crowell


The Nebraska Academy of Sciences, pp. 619-626
F. D. Heald


Scientific Books
----------------, pp. 626-627
A Bibliography of Physical Training
J. H. McCurdy
Review author[s]: Geo. L. Meylan
----------------, pp. 627-628
The Polariscope in the Chemical Laboratory, an Introduction to Polarimetry and Related Methods
George William Rolfe
Review author[s]: F. G. Wiechmann


Societies and Academies, pp. 628-630


Discussion and Correspondence
The Physiography of the Adirondacks, pp. 630-632
W. M. Davis; J. F. Kemp
Variation Versus Mutation, p. 632
Thos. L. Casey


Special Articles
Epithelial Degeneration, Regeneration and Secretion in the Mid-Intestine of Collembola, p. 633
Justus W. Folsom; Miriam U. Welles
Earthquakes Recorded at Cheltenham Magnetic Observatory January 24-31, 1906, pp. 633-634
W. F. Wallis
Analysis of Mississippi River Silt, pp. 634-635
C. H. Stone


Quotations
The Royal Society, pp. 635-636


The Museum Association of America, p. 636
W. J. Holland

The Cold Spring Biological Laboratory, pp. 636-637
Testimonial to Dr. J. Briquet, p. 637
James Mills Peirce, pp. 637-638
Scientific Notes and News, pp. 638-640
University and Educational News, p. 640

Previous Issue: New Series, Vol. 23, No. 589, Apr. 13, 1906
Next Issue: New Series, Vol. 23, No. 591, Apr. 27, 1906



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Science, New Series, Vol. 23, No. 591, Apr. 27, 1906


Previous Issue: New Series, Vol. 23, No. 590, Apr. 20, 1906
Next Issue: New Series, Vol. 23, No. 592, May 4, 1906


Front Matter (1 p.)
Some Philological Aspects of Anthropological Research, pp. 641-645
Franz Boas

The Conditions of Admission to College, pp. 645-650
George E. MacLean

Effective Protection for the Lobster Fishery, pp. 650-655
Francis H. Herrick


Scientific Books
----------------, pp. 655-659
Congress of Arts and Science, Universal Exposition, St. Louis, 1904
Howard J. Rogers
Review author[s]: Arthur O. Lovejoy
----------------, pp. 659-661
The Eolithic Problem--Evidences of a Rude Industry Antedating the Paleolithic
George Grant MacCurdy
Review author[s]: John C. Merriam


Scientific Journals and Articles, pp. 661-662
Societies and Academies, pp. 662-667


Discussion and Correspondence
Dr. O. F. Cook's Conception of Evolution, pp. 667-669
A. E. Ortmann
The Distribution of Government Publications, pp. 669-670
Cleveland Abbe
The Mental Development of Individuals, p. 670
Edwin Tausch


Special Articles
Quartz Glass, pp. 670-672
Arthur L. Day; E. S. Shepherd
Meteorological Phenomena on Mountain Summits, pp. 672-674
S. P. Fergusson


Quotations
The California Universities, pp. 674-675


The Congress of the United States, p. 675
The American Philosophical Society, pp. 675-676
Scientific Notes and News, pp. 676-680
University and Educational News, p. 680

Previous Issue: New Series, Vol. 23, No. 590, Apr. 20, 1906
Next Issue: New Series, Vol. 23, No. 592, May 4, 1906



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Science, New Series, Vol. 23, No. 592, May 4, 1906


Previous Issue: New Series, Vol. 23, No. 591, Apr. 27, 1906
Next Issue: New Series, Vol. 23, No. 593, May 11, 1906


Front Matter (1 p.)
The Work of Hugo De Vries and its Importance in the Study of Problems of Evolution, pp. 681-691
T. Wayland Vaughan


Scientific Books
----------------, pp. 691-692
Les tremblements de terre
F. De Montessus De Ballore
Review author[s]: C. E. Dutton
----------------, p. 692
Electricity in Every-Day Life
Edwin J. Houston
Review author[s]: Samuel Sheldon
----------------, pp. 693-694
Mental and Moral Heredity in Royalty
Frederick Adams Woods
Review author[s]: Edward L. Thorndike


Scientific Journals and Articles, pp. 694-695
Societies and Academies, pp. 695-700


Discussion and Correspondence
A Plan to Ensure the Designation of Generic Types. An Open Letter to Systematic Zoologists, pp. 700-701
Ch. Wardell Stiles
Certain Plant `Species' in their Relation to the Mutation Theory, pp. 701-702
Witmer Stone
Isolation by Choice, p. 702
Alfred C. Lane
Larval Conger Eels on the Long Island Coast, pp. 702-703
L. S. Quackenbush
Should Our Colleges Establish Summer Schools?, pp. 703-704
Alfred Goldsborough Mayer
On the Origin of the Small Mounds of the Lower Mississippi Valley and Texas, pp. 704-706
Robt. T. Hill


Special Articles
The Availability of Celluloid in Illustrating Chromatic Polarization, pp. 706-707
Lulu B. Joslin
Amœba Blattæ and Amœboid Motion, pp. 707-710
John H. Gerould
A Culture Medium for the Zygospores of Mucor Stolonifer, p. 710
J. I. Hamaker
The Effect of Fertilizers on the Reaction of Soils, pp. 710-712
F. P. Veitch
Carbonated Milk, p. 712
L. L. Van Slyke; A. W. Bosworth


Notes on Organic Chemistry, pp. 712-714
J. Bishop Tingle

Current Notes on Meteorology, pp. 714-715
R. DeC. Ward

Report of the Advisory Board of the Wistar Institute, pp. 715-716
The Earthquake at Stanford University, pp. 716-717
Scientific Notes and News, pp. 717-720
University and Educational News, p. 720

Previous Issue: New Series, Vol. 23, No. 591, Apr. 27, 1906
Next Issue: New Series, Vol. 23, No. 593, May 11, 1906



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Science, New Series, Vol. 23, No. 593, May 11, 1906


Previous Issue: New Series, Vol. 23, No. 592, May 4, 1906
Next Issue: New Series, Vol. 23, No. 594, May 18, 1906


Front Matter (1 p.)
Climatology of Tinajas Altas, Arizona: Preliminary Report, pp. 721-730
W J McGee

A Symposium on Chemistry Requirements, pp. 730-736
J. F. Sellers


Scientific Books
----------------, pp. 737-741
Status of the Mesozoic Floras of the United States
Lester F. Ward
Review author[s]: D. P. Penhallow
----------------, pp. 741-742
A Respiration Calorimeter with Appliances for the Direct Determination of Oxygen
W. O. Atwater; F. G. Benedict
Review author[s]: H. P. Armsby
----------------, pp. 742-743
Studies in General Physiology
Jacques Loeb
Review author[s]: S. J. Meltzer


Scientific Journals and Articles, pp. 743-744
Societies and Academies, pp. 744-746


Discussion and Correspondence
The Fallacy of the Mutation Theory, pp. 746-748
A. E. Ortmann
Misrepresentations of Nature in Popular Magazines, p. 748
A. R. Crook
Alluvial Slopes, pp. 748-749
C. E. Siebenthal


Special Articles
The Northern Limit of the Papaw Tree, pp. 749-751
Charles A. White
The Parasitism of Neocosmospora, pp. 751-752
Howard S. Reed
Effects of an Unbalanced Ration, p. 752
W. M. Munson


Notes on Organic Chemistry, pp. 752-755
J. Bishop Tingle

The American Institute of Electrical Engineers and the Metric System, p. 755
The California Earthquake at Ukiah, p. 756
Sidney D. Townley

Scientific Buildings and Collections at Stanford University, pp. 756-757
Vernon L. Kellogg

The University of California and the California Academy of Sciences, p. 757
Scientific Notes and News, pp. 757-759
University and Educational News, pp. 759-760

Previous Issue: New Series, Vol. 23, No. 592, May 4, 1906
Next Issue: New Series, Vol. 23, No. 594, May 18, 1906



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Science, New Series, Vol. 23, No. 594, May 18, 1906


Previous Issue: New Series, Vol. 23, No. 593, May 11, 1906
Next Issue: New Series, Vol. 23, No. 595, May 25, 1906


Front Matter (1 p.)
The Carnegie Foundation for the Advancement of Teaching. Rules for the Granting of Retiring Allowances, pp. 761-764


The American Association for the Advancement of Science
Section D--Mechanical Science and Engineering, pp. 764-769
Wm. T. Magruder
Panama: A Discussion of Present Conditions and the Prospect, pp. 769-773
Fullerton L. Waldo


The Movement in Prussia for the Re-Organization of the Instruction in Mathematics and the Natural Sciences in the Secondary Schools, pp. 773-778
J. W. A. Young


Scientific Books
----------------, pp. 778-780
Strandliniens Beliggenhed under Stenalderen I Det Sydøstlige Norge. Af W. C. Brøgger
Review author[s]: George Grant MacCurdy
----------------, pp. 780-782
Catalogue of the Fossil Plants of the Glossopteris Flora in the Department of Geology, British Museum (Natural History)
E. A. Newell Arber
Review author[s]: Edward W. Berry
----------------, pp. 782-783
Chemie der alicyklischen Verbindungen
Ossian Aschan
Review author[s]: J. Bishop Tingle


Scientific Journals and Articles, p. 783
Societies and Academies, pp. 783-785


Discussion and Correspondence
C. S. Rafinesque on Evolution, pp. 785-786
Leonhard Stejneger
The Influence of the Plasticity of Organisms Upon Evolution, pp. 786-787
Maynard M. Metcalf
A Simple Formula for Mixing any Grade of Alcohol Desired, pp. 787-788
E. W. Berger
Magnetism of Diamond Drill Rods, p. 789
D. W. Johnson


Special Articles
The Terminology of the Parts of the Grass Spikelet, pp. 789-790
C. V. Piper
Note on the Molecular Forces in Gelatine, pp. 790-791
Arthur L. Foley


Notes on Organic Chemistry, pp. 791-792
J. Bishop Tingle

Recent Museum Reports, pp. 792-793
F. A. L.

Report on the Bolyai Prize, pp. 793-794
George Bruce Halsted

The Congress of the United States, p. 794
A New Building for the Geological Survey, pp. 794-795
University of the Pacific and the Earthquake, p. 795
New York Observatory and Nautical Museum, pp. 795-796
Bills of Scientific Interest Passed by the New York Legislature, p. 796
American Association for the Advancement of Science, pp. 796-797
Scientific Notes and News, pp. 797-800
University and Educational News, p. 800

Previous Issue: New Series, Vol. 23, No. 593, May 11, 1906
Next Issue: New Series, Vol. 23, No. 595, May 25, 1906



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Science, New Series, Vol. 23, No. 595, May 25, 1906


Previous Issue: New Series, Vol. 23, No. 594, May 18, 1906
Next Issue: New Series, Vol. 23, No. 596, Jun. 1, 1906


Front Matter (1 p.)
Stanford's Ideal Destiny, pp. 801-804
William James

Plant Forms Existing in Nature and their Relation to Botanical Research, pp. 804-812
C. F. Baker


Scientific Books
----------------, pp. 812-813
Experimental Electrochemistry
N. Monroe Hopkins
Review author[s]: Edgar F. Smith


Scientific Journals and Articles, pp. 813-814
Societies and Academies, pp. 814-818


Discussion and Correspondence
A Few Notes on `Indian Mounds' in Texas, pp. 818-819
Irving H. Wentworth
Megaspore or Macrospore, p. 819
Charles J. Chamberlain


Special Articles
Dinosaurian Gastroliths, pp. 819-821
G. R. Wieland
Deposit of Venus Shells in New York City, pp. 821-822
J. Howard Wilson


Current Notes on Meteorology, pp. 822-823
R. DeC. Ward

English Vital Statistics, pp. 823-824
The Congress of the United States, p. 824
The California Academy of Sciences, pp. 824-826
Scientific Notes and News, pp. 826-831
University and Educational News, pp. 831-832

Previous Issue: New Series, Vol. 23, No. 594, May 18, 1906
Next Issue: New Series, Vol. 23, No. 596, Jun. 1, 1906



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Science, New Series, Vol. 23, No. 596, Jun. 1, 1906


Previous Issue: New Series, Vol. 23, No. 595, May 25, 1906
Next Issue: New Series, Vol. 23, No. 597, Jun. 8, 1906


Front Matter (1 p.)
Benjamin Franklin: As Printer and Philosopher, pp. 833-839
Charles W. Eliot

An Empirical Study of College Entrance Examinations, pp. 839-845
Edward L. Thorndike


Scientific Books
----------------, pp. 845-846
Methods of Organic Analysis
Henry C. Sherman
Review author[s]: A. G. Woodman


Scientific Journals and Articles, p. 846
Societies and Academies, pp. 846-849


Discussion and Correspondence
The Origin of the Small Sand Mounds in the Gulf Coast Country, pp. 849-851
J. A. Udden


Special Articles
Recent Earthquakes Recorded at Albany, N. Y., p. 851
David H. Newland
Paraphyses in the Genus Glomerella, pp. 851-852
John L. Sheldon


Current Notes on Meteorology, pp. 852-853
R. DeC. Ward

Botanical Notes, pp. 853-854
Charles E. Bessey

Royal Society Conversazione, pp. 854-856
The Mikkelsen Expedition to the Beaufort Sea, pp. 856-857
Mosquito Extermination, pp. 857-859
John B. Smith

The American Association of Museums, pp. 859-861
The Ithaca Meeting of the American Association for the Advancement of Science, p. 861
Scientific Notes and News, pp. 861-864
University and Educational News, p. 864

Previous Issue: New Series, Vol. 23, No. 595, May 25, 1906
Next Issue: New Series, Vol. 23, No. 597, Jun. 8, 1906



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Science, New Series, Vol. 23, No. 597, Jun. 8, 1906


Previous Issue: New Series, Vol. 23, No. 596, Jun. 1, 1906
Next Issue: New Series, Vol. 23, No. 598, Jun. 15, 1906


Front Matter (1 p.)
Pueblo Environment, pp. 865-869
Walter Hough

Nathaniel Southgate Shaler, pp. 869-872


Scientific Books
----------------, pp. 872-873
Dr. J. Frick's Physical Technique
Otto Lehmann
Müller-Pouillet, Lehrbuch der Physik
Leopold Pfaundler
Review author[s]: J. S. Ames


Scientific Journals and Articles, p. 873
Societies and Academies, pp. 873-876


Discussion and Correspondence
A Plea to Make the Smithsonian Institution a National Institute of Research, pp. 876-877
David Fairchild


Special Articles
A Machine for Compounding Sine Curves, pp. 877-881
W. G. Cady


Quotations
The Teaching Profession, pp. 881-884
The Geological Survey, p. 884


Astronomical Notes, pp. 884-886
S. I. Bailey

Fluid Lenses, p. 886
The International Geodetic Association, p. 887
The Congress of the United States, p. 887
The California Academy of Sciences, pp. 887-888
The Ithaca Meeting of the American Association for the Advancement of Science, pp. 888-890
Scientific Notes and News, pp. 890-895
University and Educational News, pp. 895-896

Previous Issue: New Series, Vol. 23, No. 596, Jun. 1, 1906
Next Issue: New Series, Vol. 23, No. 598, Jun. 15, 1906



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Science, New Series, Vol. 23, No. 598, Jun. 15, 1906


Previous Issue: New Series, Vol. 23, No. 597, Jun. 8, 1906
Next Issue: New Series, Vol. 23, No. 599, Jun. 22, 1906


Front Matter (1 p.)
The Medical Profession and the Issues Which Confront It, pp. 897-904
William J. Mayo

The Keeping of Tobacco, pp. 904-912
James M. Bell


Scientific Books
----------------, p. 912
Sur le développment de l'analyse et ses rapports avec diverses sciences
Emile Picard
Review author[s]: Maxime Bôcher


Scientific Journals and Articles, p. 912
Societies and Academies, pp. 913-919


Discussion and Correspondence
A Persistent Error, p. 919
H. Foster Bain
The Northern Limit of the Papaw Tree, pp. 919-920
Frank Leverett; J. A. Udden


Special Articles
Parallel Development in Brachiopoda, pp. 920-921
S. S. Buckman
Geological Section of New Mexico, pp. 921-922
Charles R. Keyes


Botanical Notes, pp. 922-924
Charles E. Bessey

The Worcester Polytechnic Institute, p. 924
L. L. Conant

The Danish Arctic Expedition, p. 925
Scientific Notes and News, pp. 925-928
University and Educational News, p. 928

Previous Issue: New Series, Vol. 23, No. 597, Jun. 8, 1906
Next Issue: New Series, Vol. 23, No. 599, Jun. 22, 1906



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Science, New Series, Vol. 23, No. 599, Jun. 22, 1906


Previous Issue: New Series, Vol. 23, No. 598, Jun. 15, 1906
Next Issue: New Series, Vol. 23, No. 600, Jun. 29, 1906


Front Matter (1 p.)
The Franklin Bi-Centenary, pp. 929-943
Scientific Journals and Articles, p. 943
Societies and Academies, pp. 944-947


Discussion and Correspondence
Facts and Theories in Evolution, pp. 947-952
A. E. Ortmann


Special Articles
Corpuscular Radiation from Cosmical Sources, pp. 952-954
Carl Barus


Recent Museum Publications, pp. 954-955
F. A. L.

The Preservation of American Antiquities, pp. 955-956
The Report of Committee on the Walter Reed Monument, p. 956
Joseph D. Bryant; A. C. Cabot; T. S. Cullen; Victor C. Vaughan; Robert F. Weir; W. W. Keen

The Shaler Memorial Fund, p. 956
The Ithaca Meeting, pp. 956-958
Scientific Notes and News, pp. 958-960
University and Educational News, p. 960

Previous Issue: New Series, Vol. 23, No. 598, Jun. 15, 1906
Next Issue: New Series, Vol. 23, No. 600, Jun. 29, 1906



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Science, New Series, Vol. 23, No. 600, Jun. 29, 1906


Previous Issue: New Series, Vol. 23, No. 599, Jun. 22, 1906
Next Issue: New Series, Vol. 24, No. 601, Jul. 6, 1906


Front Matter (1 p.)
The California Earthquake, pp. 961-967
Andrew C. Lawson; A. O. Leuschner

The Royal Society of Canada, pp. 967-975
H. M. Ami

The International Meteorological Conference at Innsbruck, pp. 975-977
A. Lawrence Rotch


Scientific Books
The Belgian Antarctic Expedition, pp. 977-978
Résultats du voyage du S. Y. `Belgica' en 1897-1898-1899, sous the commandement de
A. De Gerlache De Gomery
Rapports scientifiques. Botanique: Les Phanérogames des Terres Magellaniques
E. De Wildman
Travaux hydrographiques et instructions nautiques
G. Lecointe
Review author[s]: Wm. H. Dall


Scientific Journals and Articles, pp. 978-979
Societies and Academies, pp. 979-981


Discussion and Correspondence
College Entrance Examinations, pp. 981-982
J. Y. Bergen
Sermons in Stomach Stones, p. 983
C. R. Eastman


Special Articles
The Future of the Crayfish Industry, pp. 983-986
E. A. Andrews


Two Letters of Dr. Darwin: The Early Date of His Evolutional Writings, pp. 986-987
Bashford Dean

Statistics of Mortality, p. 987
The Seventh International Zoological Congress, pp. 987-988
Minute of the Faculty of Medicine of Harvard University on the Retirement of Professor Bowditch, p. 988
Scientific Notes and News, pp. 988-991
University and Educational News, pp. 991-992

Previous Issue: New Series, Vol. 23, No. 599, Jun. 22, 1906
Next Issue: New Series, Vol. 24, No. 601, Jul. 6, 1906



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Science, New Series, Vol. 24, No. 601, Jul. 6, 1906


Previous Issue: New Series, Vol. 23, No. 600, Jun. 29, 1906
Next Issue: New Series, Vol. 24, No. 602, Jul. 13, 1906


Volume Information (8 pp.)
Front Matter (1 p.)


The Formal Opening of the Laboratory of the Rockefeller Institute for Medical Research
A Sketch of the Development of the Rockefeller Institute for Medical Research, pp. 1-6
L. Emmett Holt
The Endowment of Research, pp. 6-12
William H. Welch
Address by President Nicholas Murray Butler, pp. 12-13
Nicholas Murray Butler
Address by President Charles W. Eliot, pp. 13-18
Charles W. Eliot


Scientific Books
----------------, pp. 18-19
A College Algebra
Henry Burchard Fine
Review author[s]: J. Edmund Wright


Societies and Academies, pp. 19-21


Discussion and Correspondence
Intercollegiate Athletics and Scholarship, pp. 21-23
William Trufant Foster
Note on the Ypsiloid Apparatus of Cryptobranchus, p. 23
B. G. Smith
A Newly-Found Stony Meteorite, p. 23
Geo. P. Merrill


Special Articles
The Great Catalogue and Scientific Investigation of the Heber R. Bishop Collection of Jade, pp. 23-25
George Frederick Kunz
The Rock of the Pelée Obelisk and the Condition of the Volcano in February, 1906, pp. 25-26
Angelo Heilprin


The Commission for Brain Investigation, pp. 26-27
William T. Sedgwick, pp. 27-28
Scientific Notes and News, pp. 28-31
University and Educational News, pp. 31-32

Previous Issue: New Series, Vol. 23, No. 600, Jun. 29, 1906
Next Issue: New Series, Vol. 24, No. 602, Jul. 13, 1906



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Science, New Series, Vol. 24, No. 602, Jul. 13, 1906


Previous Issue: New Series, Vol. 24, No. 601, Jul. 6, 1906
Next Issue: New Series, Vol. 24, No. 603, Jul. 20, 1906


Front Matter (1 p.)


The American Association for the Advancement of Science. Ithaca, N. Y., June 28 to July 3, 1906
Report of the General Secretary, pp. 33-35
John F. Hayford
Address of Welcome by President J. G. Schurman and Mayor Bradford Almy and Reply by President William H. Welch, pp. 35-40


James Mills Peirce, pp. 40-48
J. K. Whittemore


Discussion and Correspondence
Northern Limit of the Papaw Tree, p. 48
L. H. Pammel
The Crayfish Industry, p. 48
E. A. Andrews


Special Articles
Emission of Electricity from the Radium Products, pp. 48-49
William Duane
The Use of Astronomical Telescopes in Determining the Speeds of Migrating Birds, pp. 49-51
Joel Stebbins; Edward A. Fath
A Workable Bed of Coal in Nebraska, pp. 51-52
Erwin H. Barbour
The Relation of Pressure in the Coronary Vessels to the Activity of the Isolated Heart, and Some Closely Related Problems, pp. 52-54
C. C. Guthrie; F. H. Pike


Notes on Organic Chemistry, pp. 54-55
J. Bishop Tingle

Recent Vertebrate Paleontology, pp. 55-57
Henry F. Osborn

The International Fishery Congress, 1908, pp. 57-58
H. M. Smith

The Proceedings of the Royal Society of London, p. 58
The Agricultural Appropriation Bill, pp. 58-59
Carnegie Foundation for the Advancement of Teaching, pp. 59-60
Scientific Notes and News, pp. 60-64
University and Educational News, p. 64

Previous Issue: New Series, Vol. 24, No. 601, Jul. 6, 1906
Next Issue: New Series, Vol. 24, No. 603, Jul. 20, 1906



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Science, New Series, Vol. 24, No. 603, Jul. 20, 1906


Previous Issue: New Series, Vol. 24, No. 602, Jul. 13, 1906
Next Issue: New Series, Vol. 24, No. 604, Jul. 27, 1906


Front Matter (1 p.)
The Aims of an Astronomer, pp. 65-71
Edward C. Pickering

Some Aspects of the Panama Canal, pp. 71-78
Wm. H. Burr


Scientific Books
----------------, pp. 78-81
Archeological Researches in Costa Rica
C. V. Hartman
Review author[s]: George Grant MacCurdy


Scientific Journals and Articles, p. 81


Discussion and Correspondence
De Vries and His Critics, pp. 81-89
C. Stuart Gager


Special Articles
A New Fossil Seal from the Marine Miocene of the Oregon Coast Region, pp. 89-92
J. L. Wortman
Dew-Point and Humidity Chart, p. 92
John F. Woodhull


Quotations
The Most Important Work in the World, pp. 92-93


Observatories and Astronomers of the World, p. 93
Elizabeth Thompson Science Fund, pp. 93-94
Charles S. Minot

Scientific Notes and News, pp. 94-96
University and Educational News, p. 96

Previous Issue: New Series, Vol. 24, No. 602, Jul. 13, 1906
Next Issue: New Series, Vol. 24, No. 604, Jul. 27, 1906



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Science, New Series, Vol. 24, No. 604, Jul. 27, 1906


Previous Issue: New Series, Vol. 24, No. 603, Jul. 20, 1906
Next Issue: New Series, Vol. 24, No. 605, Aug. 3, 1906


Front Matter (1 p.)
Technical Education in Relation to Industrial Development, pp. 97-112
Charles G. Washburn


Scientific Books
----------------, pp. 112-114
The Biology of the Frog
Samuel J. Holmes
Review author[s]: E. A. A.
----------------, pp. 114-115
Easy Mathematics, Chiefly Arithmetic; Being a Collection of Hints to Teachers, Parents, Self-Taught Students and Adults, and Containing Most Things in Elementary Mathematics Useful to be Known
Oliver Lodge
Review author[s]: G. A. Miller


Societies and Academies, p. 115


Discussion and Correspondence
The Hailstorm of June 23, pp. 115-116
W. K. Gregory
Sauropodan Gastroliths, p. 116
Geo. L. Cannon
The Smithsonian Institution an Institute of Research, p. 116
David M. Mottier


Special Articles
Evidences of Glaciation in Southern Arizona and Northern Sonora, pp. 116-118
Frederick J. H. Merrill
Zygospores and Sexual Strains in the Common Bread Mould, Rhizopus Nigricans, pp. 118-122
A. F. Blakeslee
Results from Moore's Method of Shipping Bacteria on Cotton, pp. 122-124
H. A. Harding


Quotations
Zoological Gardens and Scientific Research, pp. 124-125


The Will of Alfred Beit, p. 125
Scientific Notes and News, pp. 125-127
University and Educational News, pp. 127-128

Previous Issue: New Series, Vol. 24, No. 603, Jul. 20, 1906
Next Issue: New Series, Vol. 24, No. 605, Aug. 3, 1906



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Science, New Series, Vol. 24, No. 605, Aug. 3, 1906


Previous Issue: New Series, Vol. 24, No. 604, Jul. 27, 1906
Next Issue: New Series, Vol. 24, No. 606, Aug. 10, 1906


Front Matter (1 p.)
To What Extent Should the University Investigator be Freed from Teaching?, pp. 129-145


Scientific Books
----------------, pp. 145-147
The Dynamics of Living Matter
Jacques Loeb
Review author[s]: S. J. Meltzer


Scientific Journals and Articles, pp. 147-148


Discussion and Correspondence
Appeal for an Aero-Physical Observatory in Japan, pp. 148-150
S. T. Tamura
An Unusual Meteor, pp. 150-151
E. E. Davis


Special Articles
On the Occurrence of Desmostylus, Marsh, pp. 151-152
John C. Merriam


Quotations
The Faculties in American Universities, pp. 152-153


Professor Henry A. Ward, pp. 153-154
Oliver C. Farrington

Fritz Schaudinn, pp. 154-155
Gary N. Calkins

The Royal Botanic Society of London, pp. 155-156
The International Institute of Sociology, pp. 156-157
Results of the German Census, pp. 157-158
Scientific Notes and News, pp. 158-160
University and Educational News, p. 160

Previous Issue: New Series, Vol. 24, No. 604, Jul. 27, 1906
Next Issue: New Series, Vol. 24, No. 606, Aug. 10, 1906



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Science, New Series, Vol. 24, No. 606, Aug. 10, 1906


Previous Issue: New Series, Vol. 24, No. 605, Aug. 3, 1906
Next Issue: New Series, Vol. 24, No. 607, Aug. 17, 1906


Front Matter (1 p.)
The Nature and Origin of Volcanic Heat, pp. 161-166
Elihu Thomson

The Geographical Distribution of the Student Body at a Number of Eastern and Western Universities and Eastern Colleges, pp. 166-173
Rudolf Tombo


Scientific Books
----------------, pp. 173-176
The Analysis of Racial Descent in Animals
Thomas H. Montgomery
Review author[s]: E. G. Conklin


Scientific Journals and Articles, pp. 176-177


Discussion and Correspondence
Glaciation in the Sonoran Province, pp. 177-178
W J McGee
The Earthquake and Professor Larkin, pp. 178-180
D. S. J.


Special Articles
Time Variation of the Initial Nucleation of Wet Dust-Free Air, pp. 180-181
Carl Barus
Use of the Term Permian in American Geology, pp. 181-182
Charles R. Keyes


Quotations
Professor M'kendrick and the Progress of Physiology, p. 182


Astronomical Notes, pp. 182-184
Solon I. Bailey

Recent Vertebrate Paleontology, pp. 184-185
H. F. O.

The Pure Food Bill, pp. 185-189
Scientific Notes and News, pp. 189-192
University and Educational News, p. 192

Previous Issue: New Series, Vol. 24, No. 605, Aug. 3, 1906
Next Issue: New Series, Vol. 24, No. 607, Aug. 17, 1906



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Science, New Series, Vol. 24, No. 607, Aug. 17, 1906


Previous Issue: New Series, Vol. 24, No. 606, Aug. 10, 1906
Next Issue: New Series, Vol. 24, No. 608, Aug. 24, 1906


Front Matter (1 p.)
The Ithaca Meeting of the American Chemical Society. I, pp. 193-206
G. R. White

Doctorates Conferred by American Universities, pp. 206-211


Scientific Books
----------------, pp. 211-213
Gesammelte Werke
Adolf Von Baeyer
Review author[s]: J. U. Nef


Societies and Academies, pp. 213-214


Discussion and Correspondence
The Mutation Theory Again, pp. 214-217
A. E. Ortmann


Special Articles
Herbarium Type Specimens in Plant Morphology, pp. 217-218
Mel. T. Cook


The International Catalogue of Scientific Literature, pp. 218-220
Scientific Notes and News, pp. 220-224
University and Educational News, p. 224

Previous Issue: New Series, Vol. 24, No. 606, Aug. 10, 1906
Next Issue: New Series, Vol. 24, No. 608, Aug. 24, 1906



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Science, New Series, Vol. 24, No. 608, Aug. 24, 1906


Previous Issue: New Series, Vol. 24, No. 607, Aug. 17, 1906
Next Issue: New Series, Vol. 24, No. 609, Aug. 31, 1906


Front Matter (1 p.)
Inaugural Address Before the British Association for the Advancement of Science, pp. 225-238
The Ithaca Meeting of the American Chemical Society. II, pp. 238-245
G. R. White


Scientific Books
----------------, p. 245
Leitfaden für den praktisch-chemischen Unterricht der Mediziner
Franz Hofmeister
Review author[s]: John Marshall


Scientific Journals and Articles, p. 246


Discussion and Correspondence
The Primary Septa in Rugose Corals, pp. 246-247
J. E. Duerden
The Source of the Energy of Cyclones, pp. 247-248
D. T. Smith


Special Articles
Recent Discoveries of Quaternary Mammals in Southern California, pp. 248-250
John C. Merriam
A Suggestion for Intensifying the Döppler Effect, p. 250
Paul R. Heyl


The Compulsory Retirement of the Director of the British Museum of Natural History, pp. 250-251
Summer Meeting and Colloquium of the American Mathematical Society, pp. 251-252
James Pierpont; Percy F. Smith; Heinrich Maschke; H. S. White; F. N. Cole

Samuel Lewis Penfield, pp. 252-253
H. L. W.

Scientific Notes and News, pp. 253-256
University and Educational News, p. 256

Previous Issue: New Series, Vol. 24, No. 607, Aug. 17, 1906
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Science, New Series, Vol. 24, No. 609, Aug. 31, 1906


Previous Issue: New Series, Vol. 24, No. 608, Aug. 24, 1906
Next Issue: New Series, Vol. 24, No. 610, Sep. 7, 1906


Front Matter (1 p.)


The American Association for the Advancement of Science
Economics as a Science, pp. 257-261
Irving Fisher
Section D--Mechanical Science and Engineering, pp. 261-268
Wm. T. Magruder
Section G--Botany, pp. 268-270
D. T. MacDougal


Scientific Books
----------------, pp. 270-271
Der Bau des Fixsternsystems mit besonderer Beruecksichtigung der photometrischen Resultate
Hermann Kobold
Review author[s]: G. C. C.


Scientific Journals and Articles, pp. 271-272


Discussion and Correspondence
The Smithsonian Institution and the Museum Idea, pp. 273-274
Gustavus D. Hinrichs
Is Not the Smithsonian an Institute of Research?, pp. 274-275
Albert M. Reese


Special Articles
Yellow Mice and Gametic Purity, pp. 275-281
W. E. Castle
Preliminary Description of Two New Species of the Genus Diceratherium Marsh, from the Agate Spring Fossil Quarry, pp. 281-283
O. A. Peterson


Botanical Notes, pp. 283-284
Charles E. Bessey

Disputed Vesuvian Eruptions, pp. 284-286
C. R. Eastman

Scientific Notes and News, pp. 286-288
University and Educational News, p. 288

Previous Issue: New Series, Vol. 24, No. 608, Aug. 24, 1906
Next Issue: New Series, Vol. 24, No. 610, Sep. 7, 1906



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Science, New Series, Vol. 24, No. 610, Sep. 7, 1906


Previous Issue: New Series, Vol. 24, No. 609, Aug. 31, 1906
Next Issue: New Series, Vol. 24, No. 611, Sep. 14, 1906


Front Matter (2 pp.)
The York Meeting of the British Association for the Advancement of Science, pp. 289-293
Gary N. Calkins


The American Association for the Advancement of Science
Section F--Zoology, pp. 293-299
C. Judson Herrick


Scientific Books
----------------, pp. 299-301
Applied Sociology
Lester F. Ward
Review author[s]: Edward L. Thorndike
----------------, p. 301
Geometrische Kristallographie
Ernst Sommerfeldt
Review author[s]: Charles Palache


Discussion and Correspondence
The Nature and Origin of Volcanic Heat, pp. 301-303
T. J. J. See
The Nature of Evolution, pp. 303-307
O. F. Cook
Temperature Corrections of Sugar Polarization, pp. 307-308
Geo W. Rolfe


Special Articles
A Buried Treasure of Economic Ornithology, pp. 308-312
W. L. McAtee
Gall-Insects and Insect-Galls, p. 312
Mel. T. Cook
Alimentary Parasites of Felis Domestica, pp. 313-314
Goffrey A. Lyon
An Improved Pyknometer, p. 314
Otto Greenberg


Current Notes on Meteorology, pp. 314-316
R. DeC Ward

Paleontological Notes, pp. 316-317
F. A. Lucas

Scientific Notes and News, pp. 317-320
University and Educational News, p. 320

Previous Issue: New Series, Vol. 24, No. 609, Aug. 31, 1906
Next Issue: New Series, Vol. 24, No. 611, Sep. 14, 1906



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Science, New Series, Vol. 24, No. 611, Sep. 14, 1906


Previous Issue: New Series, Vol. 24, No. 610, Sep. 7, 1906
Next Issue: New Series, Vol. 24, No. 612, Sep. 21, 1906


Front Matter (1 p.)
Botany in England, pp. 321-327
The Correspondence School--Its Relation to Technical Education and Some of Its Results, pp. 327-334
J. J. Clark

The Present Needs of the Harvard Medical School, pp. 334-338
F. B. Mallory


Scientific Books
----------------, pp. 338-339
A Text-Book of Sanitary and Applied Chemistry: Or the Chemistry of Water, Air and Food
E. H. S. Bailey
Review author[s]: Ellen H. Richards
Animal Mechanics, pp. 339-340
Kurzes Lehrbuch der organischen Chemie
A. Bernthsen
Review author[s]: T. D.; W. A. Noyes


Discussion and Correspondence
An Unusual Meteor, pp. 340-341
Cleveland Abbe
Some `Definitions' of the Dyne, p. 341
Harold C. Barker


Special Articles
A Peculiar Mutation of the Pine Marten, pp. 341-342
Marcus W. Lyon
An Object-Finder for the Micro-Projection Apparatus, pp. 342-344
Amon B. Plowman
Helium in Natural Gas, p. 344
Hamilton P. Cady; David F. McFarland


Current Notes on Meteorology, pp. 344-346
R. DeC. Ward

Proposed Union of Medical Societies in London, p. 346
Cheaper Liquid Air, pp. 346-347
Radium, pp. 347-349
Henry Armstrong; R. J. Strutt; Kelvin; A. S. Eve

Scientific Notes and News, pp. 349-351
University and Educational News, pp. 351-352

Previous Issue: New Series, Vol. 24, No. 610, Sep. 7, 1906
Next Issue: New Series, Vol. 24, No. 612, Sep. 21, 1906



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Science, New Series, Vol. 24, No. 612, Sep. 21, 1906


Previous Issue: New Series, Vol. 24, No. 611, Sep. 14, 1906
Next Issue: New Series, Vol. 24, No. 613, Sep. 28, 1906


Front Matter (1 p.)


The British Association for the Advancement of Science
Address Before the Section of Mathematics and Physics, pp. 353-365
E. H. Griffiths


The American Association for the Advancement of Science
Special Meeting, Ithaca, New York, June 28-July 3, 1906. Section E--Geology and Geography, pp. 365-372
Edmund Otis Hovey


Scientific Books
----------------, pp. 372-374
Zur Erkenntnis der Kolloide
Richard Zsigmondy
Review author[s]: S. Lawrence Bigelow


Scientific Journals and Articles, p. 374


Discussion and Correspondence
When Did Franklin Invent the Lightning-Rod?, pp. 374-376
A. Lawrence Rotch
Dried Cotton Cultures Once More, pp. 376-377
George T. Moore


Special Articles
Geology of South Brazil, pp. 377-379
I. C. White


The Forest Districts of Uganda, pp. 379-380
Appointments and Removals at Stanford University, pp. 380-381
Scientific Notes and News, pp. 381-384
University and Educational News, p. 384

Previous Issue: New Series, Vol. 24, No. 611, Sep. 14, 1906
Next Issue: New Series, Vol. 24, No. 613, Sep. 28, 1906



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Science, New Series, Vol. 24, No. 613, Sep. 28, 1906


Previous Issue: New Series, Vol. 24, No. 612, Sep. 21, 1906
Next Issue: New Series, Vol. 24, No. 614, Oct. 5, 1906


Front Matter (1 p.)
Some Problems for Agricultural Chemists, pp. 385-390
E. B. Voorhees

The Teaching of Science in College, pp. 390-397
George H. Mead


Scientific Books
----------------, pp. 397-398
An Introduction to Astronomy
Forest Ray Moulton
Review author[s]: W. J. Hussey
----------------, pp. 398-399
Introduction to General Inorganic Chemistry
Alexander Smith
Review author[s]: H. L. Wells


Scientific Journals and Articles, p. 399


Discussion and Correspondence
Discontinuous Variation and Pedigree Culture, pp. 399-400
David Starr Jordan
Vulcanism, pp. 400-403
Carl Barus
The Rigidity of the Earth, p. 403
L. M. Hoskins
The Interior of the Earth, pp. 404-405
Alfred C. Lane
The Geographical Distribution of Students, p. 405
Rudolf Tombo


Special Articles
The Preservation of Surface Condenser Tubes in Plants Using Salt or Contaminated Water Circulation, pp. 405-409
W. W. Churchill


Quotations
The Next International Tuberculosis Congress, pp. 409-410


Current Notes on Meteorology, pp. 410-411
R. DeC. Ward

Botanical Notes, pp. 411-413
Charles E. Bessey

Central Building of Iowa State College of Agriculture and Mechanic Arts, p. 413
L. H. Pammel

Sir William Perkin and the American Jubilee of the Coal Tar Industry, pp. 413-414
Scientific Notes and News, pp. 414-416
University and Educational News, p. 416

Previous Issue: New Series, Vol. 24, No. 612, Sep. 21, 1906
Next Issue: New Series, Vol. 24, No. 614, Oct. 5, 1906



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Science, New Series, Vol. 24, No. 614, Oct. 5, 1906


Previous Issue: New Series, Vol. 24, No. 613, Sep. 28, 1906
Next Issue: New Series, Vol. 24, No. 615, Oct. 12, 1906


Front Matter (2 pp.)
Fifteenth International Congress of Americanists, pp. 417-420
The American Mathematical Society, pp. 420-422
F. N. Cole

The Edinburgh Museum, pp. 422-426
L. P. Gratacap

Israel Cook Russell, pp. 426-431
Warren P. Lombard; Martin L. D'Ooge


Scientific Books
----------------, pp. 431-438
Les Révélations de l'écriture d'après un controle scientifique
Alfred Binet
Review author[s]: Persifor Frazer
----------------, pp. 438-439
Genera Avium
P. Wytsman
Review author[s]: Harry C. Oberholser


Discussion and Correspondence
Stephens's California Mammals, p. 439
David Starr Jordan
An Ignored Theory of the Ice Age, pp. 439-440
J. M. Schaeberle
Non-Euclidean Geometry, pp. 440-441
I. E. Rabinovitch


Special Articles
Inheritance of Color Coat in Swine, pp. 441-443
W. J. Spillman


Current Notes on Meteorology, pp. 443-444
R. DeC. Ward

Cerebral Localization of Musical Talent, p. 444
Edw. Anthony Spitzka

Grants for Scientific Research by the British Association, pp. 444-445
The Silliman Lectures at Yale University, p. 445
Honorary Degrees at Harvard University, pp. 445-446
Scientific Notes and News, pp. 446-448
University and Educational News, p. 448

Previous Issue: New Series, Vol. 24, No. 613, Sep. 28, 1906
Next Issue: New Series, Vol. 24, No. 615, Oct. 12, 1906



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Science, New Series, Vol. 24, No. 615, Oct. 12, 1906


Previous Issue: New Series, Vol. 24, No. 614, Oct. 5, 1906
Next Issue: New Series, Vol. 24, No. 616, Oct. 19, 1906


Front Matter (1 p.)
The Future of Medicine, pp. 449-454
Charles W. Eliot

The Unity of the Medical Sciences, pp. 454-461
William H. Welch


Scientific Books
----------------, pp. 462-465
Geology
T. C. Chamberlin; R. D. Salisbury
Review author[s]: J. C. Branner
----------------, pp. 465-466
The Eye, its Refraction and Diseases: Diseases of and Operations Upon the Eyeball and its Adnexa
Edward E. Gibbons
Review author[s]: Colman W. Cutler


Scientific Journals and Articles, p. 466


Discussion and Correspondence
On the Doppler Effect, pp. 466-467
Horace Clark Richards


Special Articles
Glacial Stages in Southeastern New England and Vicinity, pp. 467-469
M. L. Fuller
Food Habits of the Snail Bulimulus Dormani Binney, pp. 469-470
E. H. Sellards


Quotations
A National Department of Health, pp. 470-471


Technology--Harvard Geological Expedition, pp. 471-472
Publications of the Carnegie Institution of Washington, pp. 472-474
Insanity in England and Wales, pp. 474-476
The Lowell Lectures, pp. 476-477
Scientific Notes and News, pp. 477-480
University and Educational News, p. 480

Previous Issue: New Series, Vol. 24, No. 614, Oct. 5, 1906
Next Issue: New Series, Vol. 24, No. 616, Oct. 19, 1906



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Science, New Series, Vol. 24, No. 616, Oct. 19, 1906


Previous Issue: New Series, Vol. 24, No. 615, Oct. 12, 1906
Next Issue: New Series, Vol. 24, No. 617, Oct. 26, 1906


Front Matter (1 p.)


The Jubilee of the Coal Tar Color Industry
The Influence of Sir William Henry Perkin's Discovery Upon Our Science, pp. 481-488
Hugo Schweitzer
Address of Sir William Henry Perkin, pp. 488-493


Reform in Mathematical Instruction, pp. 493-496
G. A. Miller


Scientific Books
----------------, pp. 496-497
California Mammals
Frank Stephens
Review author[s]: J. A. Allen
----------------, pp. 497-498
Physiology of the Nervous System
J. P. Morat
Review author[s]: Edw. Anthony Spitzka


Scientific Journals and Articles, p. 498


Discussion and Correspondence
Cats as Plant Investigators, pp. 498-499
David Fairchild


Special Articles
Evidences of Several Glacial and Interglacial Stages in Northeastern New England, pp. 499-501
Frederick G. Clapp


Current Notes on Meteorology, pp. 501-502
R. DeC. Ward

Yale University, pp. 502-505
Scientific Research, p. 505
A Memorial to Herbert Spencer, pp. 505-506
Areas of the United States, the States and the Territories, pp. 506-507
Scientific Notes and News, pp. 507-511
University and Educational News, pp. 511-512

Previous Issue: New Series, Vol. 24, No. 615, Oct. 12, 1906
Next Issue: New Series, Vol. 24, No. 617, Oct. 26, 1906



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Science, New Series, Vol. 24, No. 617, Oct. 26, 1906


Previous Issue: New Series, Vol. 24, No. 616, Oct. 19, 1906
Next Issue: New Series, Vol. 24, No. 618, Nov. 2, 1906


Front Matter (1 p.)
The Technical School and the University, pp. 513-519
William H. Burr


The American Association for the Advancement of Science
Section I--Economic and Social Science, pp. 519-529
J. Franklin Crowell


Scientific Books
----------------, pp. 529-530
The Vegetation of the Lamao Forest Reserve
H. N. Whitford
Review author[s]: Forrest Shreve


Scientific Journals and Articles, p. 530
Societies and Academies, pp. 530-531


Discussion and Correspondence
`An Ignored Theory of the Ice Age.', pp. 531-532
T. C. Chamberlin
Correspondence Relating to the Survey of the Coal Fields of Arkansas, pp. 532-537
J. C. Branner
The Presidency of the Massachusetts Institute of Technology, pp. 537-538
J. McKeen Cattell


Special Articles
A Simple Method of Illustrating Uniform Acceleration, p. 538
A. Wilmer Duff


Current Notes on Meteorology, pp. 539-540
R. DeC. Ward

Research Laboratory of Physical Chemistry of the Massachusetts Institute of Technology, p. 540
The Perkin Library, pp. 540-541
Scientific Notes and News, pp. 541-543
University and Educational News, p. 544

Previous Issue: New Series, Vol. 24, No. 616, Oct. 19, 1906
Next Issue: New Series, Vol. 24, No. 618, Nov. 2, 1906



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Science, New Series, Vol. 24, No. 618, Nov. 2, 1906


Previous Issue: New Series, Vol. 24, No. 617, Oct. 26, 1906
Next Issue: New Series, Vol. 24, No. 619, Nov. 9, 1906


Front Matter (2 pp.)
The Concurrence and Interrelation of Volcanic and Seismic Phenomena, pp. 545-551
Angelo Heilprin


Scientific Books
----------------, pp. 551-552
The Adjustment of Observations by the Method of Least Squares with Applications to Geodetic Work
Thomas Wallace Wright
Review author[s]: S. A. Mitchell
----------------, p. 552
Technik des physikalischen Unterrichts
Freidrich C. G. Miller
Review author[s]: J. S. Ames


Societies and Academies, p. 553


Discussion and Correspondence
The Smithsonian Institution and Research, pp. 553-556
Carl H. Eigenmann
The Mutation Theory in Animal Evolution, pp. 556-558
Chas. B. Davenport
The Rigidity of the Earth, pp. 558-559
T. J. J. See
Anatomic Nomenclature: An Open Letter to Professor Llewellys F. Barker, pp. 559-560
Burt G. Wilder
Left-Handedness, p. 560
O. T. Mason


Special Articles
The Relative Merits of the `Elimination' and `First Species' Method in Fixing the Types of Genera--With Special Reference to Ornithology, pp. 560-565
Witmer Stone
Generic Names of Merycoidodonts, pp. 565-567
Earl S. Douglass
Origin of the Depression Known as Montezuma's Well, Arizona, p. 568
Wm. P. Blake


Quotations
The Huxley Lecture, pp. 568-569


Astronomical Notes, pp. 569-571
Solon I. Bailey

Botanical Notes, pp. 571-572
Charles E. Bessey

Chemical Abstracts, pp. 572-573
Scientific Notes and News, pp. 573-576
University and Educational News, p. 576

Previous Issue: New Series, Vol. 24, No. 617, Oct. 26, 1906
Next Issue: New Series, Vol. 24, No. 619, Nov. 9, 1906



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Science, New Series, Vol. 24, No. 619, Nov. 9, 1906


Previous Issue: New Series, Vol. 24, No. 618, Nov. 2, 1906
Next Issue: New Series, Vol. 24, No. 620, Nov. 16, 1906


Front Matter (1 p.)


The Dedication of the Engineering Building of the University of Pennsylvania
A Comparison of University and Industrial Discipline and Methods, pp. 577-583
Frederick W. Taylor
The Engineer as a Citizen, pp. 583-589
Alex. C. Humphreys


Scientific Books
----------------, pp. 589-590
Entomology, with Special Reference to its Biological and Economic Aspects
Justus Watson Folsom
Review author[s]: J. G. N.
----------------, pp. 590-591
The Elements of Geology
William Harmon Norton
Review author[s]: Mark S. W. Jefferson


Scientific Journals and Articles, pp. 591-592


Discussion and Correspondence
A Definition of Fluid, pp. 592-593
Oswin W. Willcox
Why Do Herring Gulls Kill their Young?, pp. 593-594
Henry L. Ward
An Unusual Meteor, p. 594
C. A. Chant
A Correction, p. 594
J. W. Beede


Special Articles
A New Artemia and its Life Conditions, pp. 594-596
Vernon L. Kellogg
Some Unusual New Jersey Fishes, pp. 596-597
Henry W. Fowler


Quotations
`Botany in England', pp. 597-600
James Britten


Current Notes on Meteorology, pp. 600-601
R. DeC. Ward

Botanical Notes, pp. 601-602
Charles E. Bessey

Degrees Conferred by the University of Aberdeen, pp. 602-603
The Franco-American Expedition to Explore the Atmosphere in the Tropics, p. 603
Society for the Promotion of Industrial Education, pp. 603-604
Scientific Notes and News, pp. 604-608
University and Educational News, p. 608

Previous Issue: New Series, Vol. 24, No. 618, Nov. 2, 1906
Next Issue: New Series, Vol. 24, No. 620, Nov. 16, 1906



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Science, New Series, Vol. 24, No. 620, Nov. 16, 1906


Previous Issue: New Series, Vol. 24, No. 619, Nov. 9, 1906
Next Issue: New Series, Vol. 24, No. 621, Nov. 23, 1906


Front Matter (1 p.)


American Association for the Advancement of Science
Section B--Physics, pp. 609-613
Dayton C. Miller


The Scientific Investigation of the Psychical Faculties or Processes in the Higher Animals, pp. 613-619


Scientific Books
----------------, p. 619
Lehrbuch der Anorganischen Chemie
H. Erdmann
Review author[s]: E. R.
----------------, pp. 619-620
Vermehrung und Sexualität bei den Pflanzen
E. Küster
Review author[s]: Ernst A. Bessey


Societies and Academies, p. 620


Discussion and Correspondence
Some Points in Teaching Crystallography, pp. 620-621
Austin F. Rogers


Special Articles
Is There Determinate Variation?, pp. 621-628
Vernon L. Kellogg
Discovery of an Early Type of Man in Nebraska, pp. 628-629
E. H. Barbour; H. B. Ward


The Second Decennial of the Botanical Seminar of the University of Nebraska, pp. 629-631
Physiological Economy in Nutrition, pp. 631-633
Field Work of the Science Division of the State of New York, pp. 633-634
Intercollegiate Geological Excursion, pp. 634-635
Local Arrangements for the New York Meeting of the American Association for the Advancement of Science and the Affiliated Scientific Societies, pp. 635-636
Scientific Notes and News, pp. 636-639
University and Educational News, pp. 639-640

Previous Issue: New Series, Vol. 24, No. 619, Nov. 9, 1906
Next Issue: New Series, Vol. 24, No. 621, Nov. 23, 1906



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Science, New Series, Vol. 24, No. 621, Nov. 23, 1906


Previous Issue: New Series, Vol. 24, No. 620, Nov. 16, 1906
Next Issue: New Series, Vol. 24, No. 622, Nov. 30, 1906


Front Matter (1 p.)
The University and the World's Great Workshop, pp. 641-652
John A. Brashear


Scientific Books
----------------, pp. 652-653
Outline of the Evolution of Weights and Measures and the Metric System
William Hallock; Herbert T. Wade
Review author[s]: J. H. Gore
----------------, p. 653
Notes on Electrochemistry
F. G. Wiechmann
Review author[s]: Joseph W. Richards


Scientific Journals and Articles, pp. 653-654
Societies and Academies, pp. 654-655


Discussion and Correspondence
Correspondence Relating to a Study of an Area of Crystalline Rocks in South-Western New England, pp. 655-658
Wm. H. Hobbs


Special Articles
A Statistical Study of American Men of Science: The Selection of a Group of One Thousand Scientific Men, pp. 658-665
J. McKeen Cattell
A Note on Assortative Mating, pp. 665-666
Vernon L. Kellogg


The Salaries of Professors, pp. 666-671
Scientific Notes and News, pp. 671-672
University and Educational News, p. 672

Previous Issue: New Series, Vol. 24, No. 620, Nov. 16, 1906
Next Issue: New Series, Vol. 24, No. 622, Nov. 30, 1906



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Science, New Series, Vol. 24, No. 622, Nov. 30, 1906


Previous Issue: New Series, Vol. 24, No. 621, Nov. 23, 1906
Next Issue: New Series, Vol. 24, No. 623, Dec. 7, 1906


Front Matter (2 pp.)
The Promotion of Agricultural Science, pp. 673-681
Henry Prentiss Armsby


Scientific Books
----------------, pp. 681-684
Soils. Their Formation, Properties, Composition and Relation to Climate and Plant Growth, in the Humid and Arid Regions
E. W. Hilgard
Review author[s]: F. H. King
Hatch and Corstorphine's Geology of South Africa, pp. 684-686
`Gli Insetti, loro organizzazione, sviluppo, abitudini e rapporti coll'uomo
Antonio Berlese
Review author[s]: W. M. D.; L. O. Howard


Societies and Academies, pp. 686-692


Discussion and Correspondence
Principles Which Govern the United States Geological Survey in its Relations with Other Geological Surveys and Working Geologists, pp. 692-693
Charles D. Walcott
A New Variety of Honorary Ph.D., pp. 693-694
X.
An Intermittent Flowing Well, p. 694
S. W. McCallie
`The Wireless Telegraph and Aurora.', pp. 694-695
C. J. Stuart
The Glacial Epoch, p. 695
J. M. Schaeberle


Special Articles
Variation in Parthenogenetic Insects, pp. 695-699
Vernon L. Kellogg
A Statistical Study of American Men of Science. II. The Measurement of Scientific Merit, pp. 699-707
J. McKeen Cattell


Notes on Organic Chemistry, pp. 707-708
J. Bishop Tingle

The Convocation Week Meetings of Scientific Societies, pp. 708-709
Scientific Notes and News, pp. 709-712
University and Educational News, p. 712

Previous Issue: New Series, Vol. 24, No. 621, Nov. 23, 1906
Next Issue: New Series, Vol. 24, No. 623, Dec. 7, 1906



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Science, New Series, Vol. 24, No. 623, Dec. 7, 1906


Previous Issue: New Series, Vol. 24, No. 622, Nov. 30, 1906
Next Issue: New Series, Vol. 24, No. 624, Dec. 14, 1906


Front Matter (1 p.)
The Budapest Conference of the International Geodetic Association, pp. 713-719
O. H. Tittmann; John F. Hayford


Scientific Books
----------------, p. 719
Mars and its Mystery
Edward L. Morse
Review author[s]: William H. Pickering
----------------, pp. 719-721
First Course in Zoology
Thomas Walton Galloway
Review author[s]: C. W. H.


Scientific Journals and Articles, p. 721
Societies and Academies, pp. 721-722


Discussion and Correspondence
The Policy of the U. S. Geological Survey and its Bearing Upon Science and Education, pp. 722-728
J. C. Branner
Evolution (Cook) and Mutation (Waagen), pp. 728-730
A. E. Ortmann
Discontinuous Variation, pp. 730-731
D. T. MacDougal
The Public Health Defence League, pp. 731-732
H. W.


Special Articles
A Statistical Study of American Men of Science. III. The Distribution of American Men of Science, pp. 732-742
J. McKeen Cattell
Brachiopod Nomenclature, pp. 742-743
S. S. Buckman


Current Notes on Meteorology, pp. 743-744
R. DeC. Ward

Recent Important Anti-Malaria Work, pp. 744-746
L. O. Howard

The Convocation Week Meetings of Scientific Societies, pp. 746-747
Scientific Notes and News, pp. 747-752
University and Educational News, p. 752

Previous Issue: New Series, Vol. 24, No. 622, Nov. 30, 1906
Next Issue: New Series, Vol. 24, No. 624, Dec. 14, 1906



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Science, New Series, Vol. 24, No. 624, Dec. 14, 1906


Previous Issue: New Series, Vol. 24, No. 623, Dec. 7, 1906
Next Issue: New Series, Vol. 24, No. 625, Dec. 21, 1906


Front Matter (1 p.)
The New York Meeting of the American Association for the Advancement of Science and the National Scientific Societies, pp. 753-758


Scientific Books
----------------, pp. 758-760
Early Chinese Writing
Frank H. Chalfant
Review author[s]: Edward S. Morse
----------------, pp. 760-761
Forest Mensuration
Henry Solon Graves
Review author[s]: B. E. Fernow
The Number of Known Ferns, pp. 761-763
Review author[s]: Lucien M. Underwood


Scientific Journals and Articles, p. 763
Societies and Academies, pp. 763-773


Discussion and Correspondence
The `Elimination' and `First Species' Methods of Fixing the Types of Genera, pp. 773-779
J. A. Allen
Misrepresentations of Nature in Popular Magazines, p. 779
A. R. Crook
Special Anatomy and Physiology of the Gasteropoda of the United States--Leidy. A Correction, p. 779
Joseph Leidy
Early Types of Man in Iowa, p. 779
C. W.
Malay and Filipino Basketry, pp. 779-780
O. T. Mason
The Rigidity of the Earth, p. 780
L. M. Hoskins
The Lightning-Rod Coincident with Franklin's Kite Experiment, p. 780
A. Lawrence Rotch


Special Articles
Notice of a New Miocene Rhinoceros, Diceratherium Arikarense, pp. 780-781
Erwin Hinckley Barbour
The Term `Colluvial' as Applied to Clay Deposits, p. 782
Otto Veatch


Quotations
`Botany in England': A Reply, pp. 782-784
F. W. Oliver


Current Notes on Meteorology, pp. 785-786
R. DeC. Ward

Paleontological Notes, pp. 786-788
W. D. Matthew

Scientific Notes and News, pp. 788-792
University and Educational News, p. 792

Previous Issue: New Series, Vol. 24, No. 623, Dec. 7, 1906
Next Issue: New Series, Vol. 24, No. 625, Dec. 21, 1906



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Science, New Series, Vol. 24, No. 625, Dec. 21, 1906


Previous Issue: New Series, Vol. 24, No. 624, Dec. 14, 1906
Next Issue: New Series, Vol. 24, No. 626, Dec. 28, 1906


Front Matter (1 p.)
University Registration Statistics, pp. 793-805
Rudolf Tombo


Scientific Books
----------------, pp. 805-806
An Outline of the Theory of Organic Evolution, with a Description of Some of the Phenomena Which it Explains
Maynard M. Metcalf
Review author[s]: J. P. McM
----------------, pp. 806-807
The Microscopy of Vegetable Foods
Andrew L. Winton
Review author[s]: Henry Kraemer
----------------, pp. 807-808
Essentials of Crystallography
Edward Henry Kraus
Review author[s]: William Herbert Hobbs


Scientific Journals and Articles, p. 808
Societies and Academies, pp. 808-809


Discussion and Correspondence
`Elimination' in Fixing Genotypes, pp. 809-810
F. A. Bather


Special Articles
Polyembryony and the Fixing of Sex, pp. 810-818
L. O. Howard
Le Fondule (Fundula Cyprinodonta) of Carbonnier an Umbra, pp. 818-819
Theo. Gill


Notes on Physics, pp. 819-821
W. S. Franklin

Notes on Organic Chemistry, pp. 821-822
J. Bishop Tingle; F. C. Blanck

Notes on the History of Natural Science, pp. 822-823
C. R. Eastman

Current Notes on Meteorology, pp. 823-824
R. DeC. Ward

Evening Technical Courses at Columbia University, pp. 824-825
Professor Osborn and the Secretary-Ship of the Smithsonian Institution, pp. 825-826
Preliminary Program of the New York Meeting of the American Association for the Advancement of Science and the Affiliated Scientific Societies, pp. 826-829
Scientific Notes and News, pp. 829-832
University and Educational News, p. 832

Previous Issue: New Series, Vol. 24, No. 624, Dec. 14, 1906
Next Issue: New Series, Vol. 24, No. 626, Dec. 28, 1906



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Science, New Series, Vol. 24, No. 626, Dec. 28, 1906


Previous Issue: New Series, Vol. 24, No. 625, Dec. 21, 1906
Next Issue: New Series, Vol. 25, No. 627, Jan. 4, 1907


Front Matter (1 p.)
Address of the President of the American Association for the Advancement of Science. The Science of Education, pp. 833-845
Calvin M. Woodward


Scientific Books
----------------, pp. 845-847
The Nervous System of Vertebrates
J. B. Johnston
Review author[s]: C. Judson Herrick
----------------, pp. 847-848
The Loose Leaf System of Laboratory Notes
Theo. H. Scheffer
Review author[s]: C. W. H.
----------------, pp. 848-849
The Subconscious
Joseph Jastrow
Review author[s]: Knight Dunlap


Scientific Journals and Articles, pp. 849-850
Societies and Academies, pp. 850-854


Discussion and Correspondence
The Teaching of Crystallography, pp. 855-856
Edward H. Kraus
Chamberlin and Salisbury's Text-Book of Geology, pp. 856-858
Eliot Blackwelder
The Determination of the Types of Genera. A Correction, p. 858
J. A. Allen


Special Articles
Character of the Bacterial Flora of Carnivorous and of Herbivorous Animals, pp. 859-861
C. A. Herter
The Exceptional Nature and Genesis of the Mississippi Delta, pp. 861-866
E. W. Hilgard


Current Notes on Meteorology, p. 866
R. DeC. Ward

Notes on Entomology, pp. 866-868
Nathan Banks

Botanical Notes, pp. 868-870
Charles E. Bessey

Scientific Notes and News, pp. 870-872
University and Educational News, p. 872

Previous Issue: New Series, Vol. 24, No. 625, Dec. 21, 1906
Next Issue: New Series, Vol. 25, No. 627, Jan. 4, 1907



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