Science, Vol. 2, No. 28, Jan. 8, 1881


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Volume Information (1 p.)
Front Matter (2 pp.)
[Editorial], pp. 1-2
On a Thermo-Magnetic Thermoscope, pp. 2-3
William Thomson

The Unity of Nature. IV. (Continued), pp. 3-8
Duke of Argyll

Elements of Swift's Comet, p. 8
W. C. W.

New York Microscopical Society, p. 8
Ephemeris of Swift's Comet, p. 9
L. Trouvelot

Jupiter. Observations of the Great Red Spot, pp. 9-10
E. E. Barnard

The Cambridge Observatory, p. 11
W. C. W.

On the Thermal Balance, pp. 11-12
S. P. Langley

Correspondence, p. 12
E. C. Spitzka


Books Received
----------------, p. 12
Was Man Created?
Henry A. Mott, Jr.


Back Matter (2 pp.)

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Front Matter (2 pp.)
[Editorial], p. 13
New York Academy of Sciences, p. 13
Hunger the Primitive Desire, p. 14
S. V. Clevenger

Notes on the Anatomy of the Encephalon, Notably of the Great Ganglia, pp. 14-15
Edward C. Spitzka

Effect of Pressure on the Fusion Point, p. 16
The Philosophical Society of Washington, p. 16
Hypnotism, p. 16
The Hammond Prize, pp. 16-17
Chesapeake Zoological Laboratory, pp. 17-19
The Materialistic Origin of the Sexes, pp. 19-20
Andrew Dewar

The Mechanics of Bird-Flight, pp. 20-21
Color Relations of Metals, p. 21
Detection of Starch-Sugar Mechanically Mixed with Commercial Cane-Sugar, p. 21
P. Casamajor

Astronomy, p. 22
C. A. Young; W. F. Denning; W. C. W.

The Observatories of the United States. I, pp. 22-23
On the Limit of Planetary Stability, pp. 23-24
Daniel Kirkwood

Letters to the Editor, p. 24
M. Theodore Dixon

Chemical Notes, p. 24
Back Matter (2 pp.)

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Front Matter (2 pp.)
[Editorial], pp. 25-26
The Philosophical Society of Washington, p. 26
The Rochester Microscopical Society, p. 26
Electric Fish, pp. 26-31
Clara Lanza

Observations on Ice and Icebergs in the Polar Regions, pp. 31-32
F. Schwatka

On Heat Conduction in Highly Rarefied Air, pp. 32-33
William Crookes

Professor Huxley on Evolution, pp. 33-35
Recent Discoveries Relating to the Double Stars of the Dorpat Catalogue, pp. 35-36
S. W. Burnham

Astronomy, p. 36
W. C. W.

Eclipse of the Sun, p. 36
L. Trouvelot

Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 32, Feb. 5, 1881


Front Matter (2 pp.)
[Editorial], p. 37
Scientific Societies in Washington, pp. 37-38
Chemical Societies, p. 38
M. B.

The Unity of Nature. V. On the Truthfulness of Human Knowledge Considered in the Light of the Unity of Nature, pp. 38-43
Duke of Argyll

Progress of Botanical Science in the United States, pp. 43-44
J. C. Arthur

The Detection of Starch and Dextrin, pp. 44-45
Spencer Umfreville Pickering

Microscopy, p. 46
Astronomy, p. 46
W. C. W.; E. E. Barnard

Correspondence, pp. 47-48
F. Schwatka; R. Hitchcock

Notes on the Anatomy of the Encephalon, etc. [Comment], p. 48
Burt G. Wilder

Books Received, p. 48
B. G. W.

Chemical Notes, p. 48
Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 33, Feb. 12, 1881


Front Matter (2 pp.)
On Matter as a form of Energy, pp. 49-50
A. E. Dolbear

Recent Additions to the E. M. Museum at Princeton Colleg, pp. 50-51
Henry F. Osborn

The Classification of Science. II. Principles Classification, pp. 51-53
Samuel Fleming

The Rotatory Power of Commercial Glucose. A Method of Determining the Percentage of Reducing Matter by the Polariscope, pp. 53-54
H. W. Wiley

New Portable Microscope, pp. 54-55
On Chicken Cholera: Study of the Conditions of Non-Recidivation and of Some Other Characteristics of this Disease, pp. 55-57
M. L. Pasteur

Astronomy, p. 57
W. C. W.

On the First Comet of 1861 and the Meteors of April 20, pp. 58-59
Daniel Kirkwood

Chemical Notes, p. 59
J. Kachler; J. M. Eder; Carl Hell; O. Mulhauser; H. Koehler

Correspondence, pp. 59-60
E. C. Spitzka

Recurring Periods in the Weather, p. 60
James H. Gardiner

Back Matter (2 pp.)

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Front Matter (2 pp.)
[Editorial], p. 61
Chimpanzees in New York, p. 61
Trichinæ in Pork, pp. 61-62
Philosophical Society of Washington, pp. 62-63
The Anthropological Society of Washington, p. 63
Fr. Kraus

A Sketch of the Geology of Hudson County, N. J., pp. 63-65
Israel C. Russell

The Souls of Plants and Animals, pp. 65-68
Thomas Hill

Sir W. Thomson's New Depth Gauge, pp. 68-69
Botanical Notes, pp. 69-70
W. A. B.; J. C. A.

Microscopy, p. 70
Astronomical Memoranda, pp. 70-71
W. C. W.

Note on Sun Spots in January, 1881, p. 71
Wm. Dawson

Chemical Notes, p. 71


Books Received
----------------, p. 72
On Certain Conditions of Nervous Derangement.
William A. Hammond
----------------, p. 72
Papilio. Vol. 1, no. 1, Jan. 1881.
Henry Edwards
----------------, p. 72
Use of Glass-Wool in Filration.
F. Stolba; R. Böttger
Review author[s]: H. Schwarz


Back Matter (2 pp.)

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Front Matter (2 pp.)
[Editorial], pp. 73-74
American Chemical Society, p. 74
M. B.

New York Microscopical Society, p. 74
M. B.

The Society of Telegraph Engineers, (England), pp. 74-75
Further Notes on the Brain of the Iguana and Other Sauropsidae, pp. 75-76
Edward C. Spitzka

Recent Progress of Science, pp. 76-78
Samuel Fleming

Cause of the Blue Color of Certain Waters, pp. 78-81
John Le Conte

On the Importance of Entomological Studies, p. 81
J. A. Lintner

Cloud Colors, pp. 81-82
F. H. Lond

Note on Dr. Henry Draper's Photograph of the Nebula in Orion, pp. 82-83
Mr. Ranyard

Astronomy, p. 83
W. C. W.


Books Received
----------------, p. 84
Astronomy for Students and General Readers.
Simon Newcomb; Edward S. Holden
----------------, p. 84
Circulars of Information of the Bureau of Education. No.4, 1880.


Letters to the Editor, p. 84
B. D.

Back Matter (2 pp.)

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Front Matter (2 pp.)
The New York Aquarium, p. 85
Smithsonian Institution, p. 86
Spencer F. Baird

Scientific Societies of Washington, p. 86
American Chemical Society, p. 86
M. B.

Organic Healing Powers, pp. 87-92
Rudolf Virchow; Clara Lanza; A. Yver

Manufacture of Yeast without Alcoholic Fermentation, pp. 92-93
Microscopy, pp. 93-94
Fluorescent Bodies, p. 94
E. R. Hodges

Intra-Mercurial Planets, pp. 94-95
W. C. W.


Books Received
----------------, p. 96
A Manual of Zoology for the Use of Students, with a General Introduction on the Principles of Zoology.
Henry Alleyne Nicholson
----------------, p. 96
Life on the Seashore, or Animals of Our Coasts and Bays.
James H. Emerton


Chemical Notes, p. 96
Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 37, Mar. 12, 1881


Front Matter (2 pp.)
Microscopes and Their Objectives, pp. 97-98
Walker Prizes in Natural History, p. 98
The Odontornithes. Extinct Toothed Birds of North America, pp. 98-99
W. E. Walitzky

The Unity of Nature. VI. On the Moral Character of Man, Considered in the Light of the Unity of Nature, pp. 100-103
Duke of Argyll

Atmospheric Ozone for January, 1881, pp. 104-105
L. P. Gratacap

Note on the "Posterior Brain" of Stegosaurus, p. 106
B. G. W.

Atmospheric Dust, p. 106
T. L. Phipson

Astronomical Memoranda, p. 107
W. C. W.

Science in France, p. 108
Back Matter (2 pp.)

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Front Matter (2 pp.)
Insanity Versus Civilization, pp. 109-110
Scientific Societies in Washington, D. C., p. 110
Action of an Intermittent Beam of Radiant Heat Upon Gaseous Matter, pp. 110-114
John Tyndall

The Unity of Nature. VI. On the Moral Character of Man, Considered in the Light of the Unity of Nature (Continued), pp. 114-119
Duke of Argyll

Astronomy, p. 119
W. C. W.

Correspondence, p. 120
Albert H. Tuttle


Books Received
----------------, p. 120
Bacteria.
Antoine Magnin; George M. Sternberg


Notes, p. 120
A. G. Pouchet; A. Muntz; E. Aubin; Gaston Bong

Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 39, Mar. 26, 1881


Front Matter (2 pp.)
Swine Plague, p. 121
Academy of Natural Sciences of Philadelphia, p. 121
A Partial Revision of Anatomical Nomenclature, with Especial Reference to That of the Brain. I., pp. 122-126
Burt G. Wilder

On Chicken Cholera: Study of the Conditions of Non-Recidivation and of Some Other Characteristics of This Disease. II, pp. 126-127
M. L. Pasteur

The New Chemistry, pp. 127-128
The American Chemical Society, pp. 128-129
M. B.

Improved Portable Equatorial Stands, p. 129
James H. Gardiner

Astronomical Memoranda, pp. 129-130
W. C. W.

Microscopy, p. 130
Letters to the Editor, pp. 130-131
E. C. Spitzka; Cosmos; U. Gayon; M. Pasteur


Books Received
----------------, p. 132
Sir William Herschel: His Life and Works.
Edward S. Holden


Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 40, Apr. 2, 1881


Front Matter (2 pp.)
Anatomical Nomenclature, p. 133
A Partial Revision of Anatomical Nomenclature, with Especial Reference to That of the Brain (Continued), pp. 133-138
Burt G. Wilder

The Basin of the Gulf of Mexico, pp. 138-140
J. E. Hilgard

Scientific Societies of Washington, pp. 140-141
Microscopy, p. 141
Astronomy, pp. 141-142
W. C. W.

Discrepancy in Recent Science, pp. 142-143
Edgar L. Larkin

Notes, p. 143


Books Received
----------------, p. 144
The Power of Movement in Plants.
Charles Darwin; Francis Darwin


Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 41, Apr. 9, 1881


Front Matter (2 pp.)
[Editorial], pp. 145-146
On the Amplitude of Vibration of Atoms, pp. 146-147
A. E. Dolbear

Marsh's Odontornithes, pp. 147-151
B. G. W.

On the Southern Stars and Other Celestial Objects, pp. 151-155
J. H. Pope

Scientific Books, p. 155
Astronomy, p. 155
W. C. W.


Books Receives
----------------, p. 156
The Telescope.
Thomas Nolan; B. S. D. van Nostrand


Microscopes, p. 156
M. Marcker; E. V. Lippman; C. Scheibler

The Glycerine Barometer, p. 156
Back Matter (2 pp.)

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Front Matter (2 pp.)
Uniform Time, p. 157
How to Obtain the Brain of the Cat. Felis domestica, pp. 158-161
B. G. Wilder

Atoms and Monads, Their Metaphysical Development, pp. 161-164
Diodato Borrelli

Astronomy, p. 164
W. C. W.

Letters to the Editor, pp. 165-166
E. C. Spitzka

How Does Gravity Cause Motion?, pp. 166-167
Charles Morris

Notes, p. 168
Addenda: On the Amplitude of Vibration of Atoms, p. 168
Addenda: Marsh's Odontornithes, p. 168
Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 43, Apr. 23, 1881


Front Matter (2 pp.)
[Editorial], p. 169
The Sea-Side Laboratory, p. 169
The American Chemical Society, p. 170
M. B.

On Some Phenomena Presented by Vortex-Rings, p. 170
A. E. Dolbear

The Co-Efficient of Safety in Navigation, pp. 171-173
W. A. Rogers

Query, p. 173
On the Action of Bacteria on Various Gases, pp. 173-174
F. Hatton

Notes on Chicken Cholera, p. 174
A New Cortical Centre, pp. 174-176
Graeme M. Hammond

The Unity of Nature. VII. On the Moral Character of Man Considered in the Light of the Unity of Nature (Continued), pp. 176-178
Duke of Argyll

Astronomy, p. 178
W. C. W.

Letters to the Editor, p. 179
Alexander Winchell


Books Received
----------------, p. 180
Sight: An Exposition of the Principles of Monocular and Binocular Vision.
Joseph Le Conte


Correspondence, p. 180
Carl Reddots; W. N. Hartley

Errata: How to Obtain the Brain of the Cat, p. 180
Back Matter (2 pp.)

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Front Matter (2 pp.)
[Editorial], p. 181
Scientific Societies of Washington, pp. 181-182
On the Modern Development of Faraday's Conception of Electricity, pp. 182-185
Professor Helmholtz

The Yellowstone National Park, pp. 186-187
Note on the Sensory Tract of the Brain, p. 188
Edward C. Spitzka

Astronomial Memoranda, p. 188
W. C. W.

Intra-Mercurial Planets, pp. 188-189
Lewis Swift

Correspondence, pp. 189-190
A. E. Dolbear; Geo. W. Rachel

Discrepancies in Recent Science, pp. 190-192
Microscopical Notes, p. 192
Notes, p. 192
Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 45, May 7, 1881


Front Matter (2 pp.)
[Editorial], p. 193
Congreso Internacional de Americanistas, pp. 193-194
The Unity of Nature. VII. On the Moral Character of Man Considered in the Light of the Unity of Nature (Continued), pp. 194-199
Duke of Argyll

Dolbear on the Nature and Constitution of Matter. A Critique, pp. 199-202
Wm. H. Dopp

Letters to the Editor, pp. 202-203
A. Hall; D. P. Todd

Astronomy, p. 203
W. C. W.; O. S.

Microscopical Notes, p. 203
Notes, p. 203


Books Received
----------------, p. 204
Compendium of Microscopical Technology; A Guide to Physicians and Students in the Use of the Microscope, and in the Preparation of Histological and Pathological Specimens.
Carl Seiler
----------------, p. 204
Popular Lectures on Scientific Subjects.
H. Helmholtz; E. Atkinson


Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 46, May 14, 1881


Front Matter (2 pp.)
[Editorial], pp. 205-206
Mountain Elevation, and Changes of Temperature, in Geology, p. 206
Samuel J. Wallace

Remarks on a Pathogenic Schizophyte, pp. 206-210
H. J. Detmers

The Kansas City Electric Time Ball, pp. 210-211
H. S. Pritchett

The Unity of Nature. VII. On the Moral Character of Man Considered in the Light of the Unity of Nature (Continued), pp. 211-215
Duke of Argyll

Astronomy, p. 215
Notes, p. 215


Books Received
----------------, p. 216
Animal Life as Affected by the Natural Conditions of Existence.
Karl Semper


Erratum: Dolbear on the Nature and Constitution of Matter. A Critique, p. 216
Back Matter (2 pp.)

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Front Matter (2 pp.)
[Editorial], pp. 217-218
Scientific Societies in Washington, p. 218
The Ultra-Gaseous or Radiant State of Matter, pp. 218-222
H. S. Carhart

Great Astronomical Telescope, pp. 222-223
The Polarization of Sound. An Examination into the Nature of Vibrations in Extended Media, pp. 224-227
S. W. Robinson

Astronomy, p. 227
J. Ritchie, Jr.

On a Method of Isolating the Mammalian Heart, p. 228
H. Newell Martin

Edinburgh Royal Society, p. 228
Notes, p. 228
Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 48, May 28, 1881


Front Matter (2 pp.)
[Editorial], p. 229
Thos. a. Edison

Sensibility and Its Diverse Forms, pp. 230-232
M. Oltramare

Contribution Toward a New Cosmic Hypothesis, pp. 232-233
Samuel J. Wallace

American Chemical Society, p. 234
M. B.

A New Rotifer, p. 235
H. F. Atwood

Microscopical Notes, pp. 235-236
Astronomy, pp. 236-237
W. C. W.; E. E. Barnard

Correspondence, pp. 237-239
A. E. Dolbear; Charles Morris

Primeval Rotation and Cosmical Rings. II, pp. 239-240
Edgar L. Larkin


Books Received
----------------, p. 240
The Human Body.- An Account of Its Structure and Activities and the Conditions of Its Healthy Working.
H. Newell Martin


Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 49, Jun. 4, 1881


Front Matter (2 pp.)
[Editorial], pp. 241-242
The Production of Sound by Radiant Energy, pp. 242-253
Alexander Graham Bell

Contributions to Comparative Psychology. I. Instinct and Reason, p. 253
S. V. Clevenger

Further Notes on the Brain of the Sauropsida, p. 254
E. C. Spitzka

Astronomy, pp. 254-255
W. C. W.

Correspondence, pp. 255-256
A. H. Swinton; O. W. Holmes

A Curious Egg, p. 256
E. E. Barnard


Books Received
----------------, p. 256
A Memorial of Joseph Henry.


Notes, p. 256
Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 50, Jun. 11, 1881


Front Matter (2 pp.)
[Editorial], p. 257
Sleep and Somnambulism. I, pp. 258-262
M. Regnard; Clara Lanza

The Physical Basis of Gravic Force and Light, pp. 262-263
Samuel J. Wallace

Astronomy, p. 264
Correspondence, p. 264
Wm. H. Dopp


Books Received
----------------, pp. 264-267
The Cat. An Introduction to the Study of Backboned Animals, Especially Mammals.
George Mivart
Review author[s]: Simon H. Gage


Royal Society (Edinburgh), pp. 267-268
Isaac Newton

Notes, p. 268
Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 51, Jun. 18, 1881


Front Matter (2 pp.)
[Editorial], p. 269
The American Chemical Society, p. 269
Sleep and Somnambulism. II, pp. 270-274
M. Regnard

Fossil Organisms in Meteorites, pp. 275-277
Geo. W. Rachel

Astronomy, p. 277


Books Received
----------------, pp. 277-278
Second Report of the United States Entomological Commission, for the Years 1878 and 1879, Relating to the Rocky Mountain Locust, and the Western Cricket.
Review author[s]: R. C. S.


Correspondence, p. 278
J. H. Pillsbury

Spectrum Analysis, pp. 278-279
A New Discovery in Photography, pp. 279-280
Estimation of Fat in Milk, p. 280
William Johnson

The Electric Railway, p. 280
Notes, p. 280
Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 52, Jun. 25, 1881


Front Matter (2 pp.)
[Editorial], pp. 281-282
The Unity of Nature. VIII. The Origin of Religion Considered in the Light of the Unity of Nature, pp. 282-288
Duke of Argyll

Meteorological Electricity, p. 288
The Aperture of Microscope-Objectives, pp. 288-290


Books Received
----------------, pp. 290-291
Discovery of the Preglacial Outlet of the Basin of Lake Erie into That of Lake Ontario; with Notes on the Origin of our Lower Great Lakes..
J. W. Spencer


On M. C. Faure's Secondary Battery, p. 291
Microscopy, pp. 291-292
The Stereorachys, p. 292
[Brian of the Locust: Comment], p. 292
John J. Mason

Sun Spots, p. 292
Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 53, Jul. 2, 1881


Front Matter (2 pp.)
The Discovery of Neptune, p. 293
Vivisection, p. 293
Probable Branchial Origin of the Thyroid and Thymus Glands, p. 293
S. V. Clevenger

The Address of the President of the Royal Microscopical Society, pp. 294-297
Lionel S. Beale

Trichinæ in Meat, pp. 298-299
Trichinosis, pp. 299-300


Books Recieved
----------------, pp. 301-302
Island Life; or, The Phenomena and Causes of Insular Faunas and Floras.
Alfred Russell Wallace


Note in Regard to "Primitive Desires", p. 302
S. V. Clevenger; E. C. Spitzka

Letters to the Editor, pp. 302-303
Geo. W. Rachel; Edgar L. Larkin

Reply to Dr. J. J. Mason's Letter, p. 303
R. C. S

The Conservation of Electricity, p. 304
A Water Carrying Tortoise, p. 304
Fluorescent Substances, p. 304
Sidney Jewsbury

Back Matter (2 pp.)

Previous Issue: Vol. 2, No. 51, Jun. 18, 1881
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Previous Issue: Vol. 2, No. 52, Jun. 25, 1881
Next Issue: Vol. 2, No. 54, Jul. 9, 1881


Front Matter (3 pp.)
The New Comet, p. 305
The Address of the President of the Royal Microscopical Society (Concluded), pp. 305-309
Lionel S. Beale

Comet Observations at Princeton, p. 309
C. A. Young

Letters to the Editor, p. 309
A. H. Swinton

The Blue Color of the Sky, p. 309
Dolbear's New Telephone System, pp. 310-313
Upon a Modification of Wheatstone's Microphone, and Its Adaptability to Radiophonic Researches, pp. 314-315
Alex. Graham Bell

Astronomy, p. 315
Alcohol in Water and Air, p. 315
The Telephonic Receiver, p. 316
Alteration of Milk, p. 316
Notes, p. 316
Notice to Correspondents, p. 316
Back Matter (2 pp.)

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Previous Issue: Vol. 2, No. 53, Jul. 2, 1881
Next Issue: Vol. 2, No. 55, Jul. 16, 1881


Front Matter (3 pp.)
Observations Upon the Comet at Princeton, pp. 317-318
C. A. Young

Primordial Cosmic Rings. III, pp. 318-320
Edgar L. Larkin

The Use of Water as a Fuel, pp. 321-323
George W. Rachel

Dr. Günthers Ichthyology, pp. 323-327
An Introduction to the Study of Fishes.
Albert C. L. G. Günther
Review author[s]: Theo. Gill

Correspondence, pp. 327-328
The Comet, p. 328
Edgar L. Larkin

Back Matter (2 pp.)

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Next Issue: Vol. 2, No. 56, Jul. 23, 1881


[Editorial], p. 329
Edward C. Pickering

The Unity of Nature. IX. The Origin of Religion Considered in the Light of the Unity of Nature (Continued), pp. 330-333
Duke of Argyll

The Comet, pp. 334-335
On the Overgrown Teeth of Fiber Wibethicus, p. 336
Herman L. Fairchild


Books Received
----------------, p. 337
Anthropology: An Introduction to the Study of Man and Civilization.
Edward B. Tylor


Correspondence, pp. 337-339
R. H. Ward; John J. Mason; V. Wartha; Theodor Wilm

Meteorological Report for New York City for the Week Ending July 9, 1881, p. 339
Daniel Draper

War Department Reports, p. 340
Sun Spots, p. 340

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[Editorial], p. 341
American Association for the Advancement of Science, pp. 341-342
Contributions to Comparative Psychology. II. Language, pp. 342-344
S. V. Clevenger

Æther, pp. 344-345
Pliny Earle Chase

Comet C, 1881, p. 345
Comet B, 1881, pp. 346-348
Edward S. Holden

The Unity of Nature. IX. The Origin of Religion Considered in the Light of the Unity of Nature (Continued), pp. 348-350
The Duke of Argyll

Ancient Planetary Rings, Volume, Mass and Density. IV, pp. 350-351
Edgar L. Larkin

Correspondence, pp. 351-352
E. C. Spitzka

Notes, p. 352
Meteorological Report for New York City for the Week Ending July 16, 1881, p. 352
Daniel Draper

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Next Issue: Vol. 2, No. 58, Aug. 6, 1881


[Editorial], p. 353
Latent Solar Light, pp. 354-356
Clara Lanza

Draper's Self-Recording, Mercurial Barometer, pp. 356-357
On an Occurrence of Gold in Maine, p. 357
M. E. Wadsworth

Elements and Ephemeris of Comet (c), 1881.-Schæberle, p. 357
Photo-Micrography, pp. 358-359
Carl Seiler

Planté and Faure Batteries, pp. 359-360
The Lesson of the Comet; Does It Show a New Force?, pp. 360-361
Samuel J. Wallace

Correspondence, pp. 361-363
Ormond Stone; Charles Morris


Books Received
----------------, p. 363
Text-Book of Experimental Organic Chemistry for Students.
H. Chapman Jones; D. van Nostrand
----------------, p. 363
Contributions to Meteorology: Being Results Derived from an Examination of the Observations of the United States Signal Service, and from Other Sources.
Elias Loomis
----------------, p. 363
On the Group "b" On the Solar Spectrum.
William C. Winlock
----------------, pp. 363-364
A Practical Treatise on the Manufacture of Starch, Starch-Sugar and Dextrine, Based on the German of Ladislaus von Wagner and Other Authorities.
Julius Frankel; Robert Hutter


Reproducing Drawings, Designs, &c., p. 364
Meteorological Report for New York City for the Week Ending July 23, 1881, p. 364
Daniel Draper

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Next Issue: Vol. 2, No. 59, Aug. 13, 1881


[Editorial], pp. 365-367
Amylose, p. 367
Note on Photographs of the Spectrum of the Comet of June, 1881, p. 367
Henry Draper

Observations on Siredon Lichenoides, pp. 367-368
Wm. E. Carlin

An Analysis of Water Destructive to Fish in the Gulf of Mexico, p. 368
F. M. Endlich

A Microscopical Study of the Iron Ore, or Peridotite of Iron Mine Hill, Cumberland, Rhode Island, pp. 368-370
M. E. Wadsworth

Do We See Non-Luminous Bodies by Reflected Light?, pp. 370-372
A. G. Gaines

Correspondence, pp. 372-374
F. W. Staebner; Ormond Stone; Edward S. Holden; H. W. Wiley; Samuel J. Wallace


Books Received
----------------, pp. 374-375
Observations of Double Stars made at the United States Naval Observatory.
Asaph Hall
A Parasite in Ægeria Syringæ. Harr., p. 375
Review author[s]: G. H. French
----------------, p. 376
Tables for Qualitative Chemical Analysis, with an Introductory Chapter on the Cource of Analysis.
Heinrich Will; Charles F. Himes


Trichinæ in Rats, p. 376
Meteorological Report for New York City for the Week Ending July 30, 1881, p. 376
Daniel Draper

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Next Issue: Vol. 2, No. 60, Aug. 20, 1881


[Editorial], p. 377
Astronomical Observatories, pp. 377-380
Simon Newcomb

Michigan Flora, pp. 380-382
Charles F. Wheeler; Erwin F. Smith

Disruption of Planetary Masses from the Primeval N. V., pp. 382-383
Edgar L. Larkin

Microscopical Technology, pp. 383-386
Carl Seiler's

The Dearborn Observatory, pp. 386-388
W. C. W.

Meteorological Report for New York City for the Week Ending Aug. 6, 1881, p. 388
Daniel Draper

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Previous Issue: Vol. 2, No. 59, Aug. 13, 1881
Next Issue: Vol. 2, No. 61, Aug. 27, 1881


[Editorial], p. 389
Sea Mosses-Time and Place for Collecting, pp. 390-392
The Rotatory Power of Commerical Glucose and Grape Sugar. A Method of Determining the Amount of Reducing Substance Present by the Polariscope, pp. 393-395
W. H. Wiley

The Unity of Nature. X. The Origin of Religion Considered in the Light of the Unity of Nature (Concluded), pp. 395-400
Duke of Argyll

Elements of Comet (b), 1881, p. 400
Meteorological Report for New York City for the Week Ending Aug. 13, 1881, p. 400
Daniel Draper

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Previous Issue: Vol. 2, No. 60, Aug. 20, 1881
Next Issue: Vol. 2, No. 62, Sep. 3, 1881


Front Matter (4 pp.)
The Cincinnati Meeting of the American Association for the Advancement of Science, pp. 401-404
Report on the Geology and Resources of the Black Hills of Dakota., pp. 404-405
Henry Newton; Walter P. Jenney; L. P. Gratacap

The Great Primordial Force, pp. 405-409
Henry Raymond Rogers

The Tidal Evolution of the Moon, pp. 409-410
Mr. Darwin on Dr. Hahn's Discovery of Fossil Organisms in Meteorites, p. 410
An Afternoon on Passaic River, pp. 410-411
Selenographical, p. 411


Books Received
----------------, p. 411
Sea Mosses. A Collector's Guide and an Introduction to the Study of Marine Algæ.
A. B. Hervey


Notes, pp. 411-412
Sun Spots, p. 412
Meteorological Report for New York City for the Week Ending Aug. 20, 1881, p. 412
Daniel Draper

Back Matter (4 pp.)

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Next Issue: Vol. 2, No. 62, Sep. 3, 1881



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Previous Issue: Vol. 2, No. 61, Aug. 27, 1881
Next Issue: Vol. 2, No. 63, Sep. 10, 1881


[Editorial], p. 413
The State and Higher Education, pp. 413-416
N. H. Winchell

Magic Mirrors, pp. 416-419
M. Bertin

Recent Surgical Case, pp. 419-420
On the Germ Theory, pp. 420-422
Prof. Pasteur

Correspondence, pp. 422-424
Geo. W. Rachel

Obituary: John Duncan, p. 424
Meteorological Report for New York City for the Week Ending Aug. 27, 1881, p. 424
Daniel Draper

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Previous Issue: Vol. 2, No. 62, Sep. 3, 1881
Next Issue: Vol. 2, No. 64, Sep. 17, 1881


[Editorial], pp. 425-426
The Connection of the Biological Sciences with Medicine, pp. 426-429
T. H. Huxley

Notes on Experimental Chemistry, p. 429
Albert B. Prescott

The Paris Electrical Exhibition, pp. 430-433
Gustave Glaser

The American Chemical Society, pp. 433-434
M. B.

The Successful Administration of Nitrous Oxide as an anæsthetic for Dental and Surgical Operations, p. 434
E. P. Howland

Some Needed Reforms in the Use of Botanical Terms. I., p. 435
Charles E. Ridler


Books Received
----------------, pp. 435-436
The Ancient Bronze Implements, Weapons and Ornaments of Great Britain and Ireland.
John Evans


Meteorological Report for New York City for the Week Ending Sept. 3, 1881, p. 436
Daniel Draper

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Next Issue: Vol. 2, No. 64, Sep. 17, 1881



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Previous Issue: Vol. 2, No. 63, Sep. 10, 1881
Next Issue: Vol. 2, No. 65, Sep. 24, 1881


[Editorial], p. 437
Historic Notes of Cosmic Physiology, p. 438
T. Sterry Hunt

On the Unification of Geological Nomenclature, pp. 438-440
Richard Owen

A New Material for Stop-Cocks and Stoppers for Reagent Bottles, p. 440
H. W. Wiley

Phonetics of the Kayowe Language, pp. 440-441
Albert S. Gatschet

Typical Thin Sections of the Rocks of the Cupriferous Series in Minnesota, p. 441
N. H. Winchell

Worked Shells in New England Shell Heaps, p. 441
Edward S. Morse

A Remarkable Instance of Retention of Heat by the Earth, pp. 441-442
H. C. Hovey

Pilocarpin:-Its Action in Changing the Color of the Human Hair, pp. 442-443
D. W. Prentiss

The Constitution of the "Atom" of Science, p. 443
A. B. Blackwell

Bacteria and Their Relations to Plant Culture, pp. 443-444
Thomas Taylor

Ancient Japanese Bronze Bells, p. 444
Edward S. Morse

Time Service of Carleton College Observatory, at Northfield, Minnesota, p. 445
William W. Payne

Changes in Mya and Lunatia Since the Deposition of the New England Shell Heaps, pp. 445-446
Edward S. Morse

American Coal Fields, p. 446
Astronomy, pp. 446-447
E. E. Barnard

Correspondence, p. 447
Edward C. Pickering; E. C. Spitzka


Books Received
----------------, pp. 447-448
Elements of Algebra.
G. A. Wentworth
Review author[s]: Marcus Baker


Meteorological Report for New York City for the Week Ending Sept. 10, 1881, p. 448
Daniel Draper

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Previous Issue: Vol. 2, No. 64, Sep. 17, 1881
Next Issue: Vol. 2, No. 66, Oct. 1, 1881


Encke's Comet, p. 449
The Warner Astronomical Prizes, pp. 449-450
Hypermnesia or Exaltations of Memory, pp. 450-453
Clara Lanza

The Excavation of the Grand Cañon of the Colorado River, pp. 453-454
C. E. Dutton

Mixed Sugars, pp. 454-455
H. W. Wiley

Coal Dust as an Element of Danger in Mining; Shown by the Late Explosion in the Albion Mines in Nova Scotia, pp. 455-456
H. C. Hovey

History of Alhazen's Problem, pp. 456-457
Rotation of Reducing Power, as Measured by Fehling's Solution to the Rotatory Power of Commercial Amylose (Glucose and Grape Sugar), p. 457
H. W. Wiley

On the Interior Condition of the Terrestrial Globe, p. 458
M. E. Roche


Books Received
----------------, p. 458
The Microscope and Its Relation to Medicine and Pharmacy.
Chas. H. Stowell; Louisa Reed Stowell


Correspondence, pp. 458-459
J. E. Hendricks; H. Raymond Rogers

Medical Congress Notes, p. 459
Notes, p. 460
Tests for Color-Blindness, p. 460
Meteorological Report for New York City for the Week Ending Sept. 17, 1881, p. 460
Daniel Draper

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Next Issue: Vol. 2, No. 66, Oct. 1, 1881



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Previous Issue: Vol. 2, No. 65, Sep. 24, 1881
Next Issue: Vol. 2, No. 67, Oct. 8, 1881


[Note on the Death of President James A. Garfield], p. 461
A New Comet, pp. 461-463
On Cometary Appearances, pp. 463-464
M. Jamin; Clara Lanza

Amylose: Its Constituents and Methods for Their Estimation, pp. 464-466
H. W. Wiley

A Remarkable Invasion of Northern New York, by a Pyralid Insect Crambus vulgivagellus, pp. 467-468
J. A. Lintner

Cañons-Their Character and Origin, pp. 468-470
William Bross

Address of Col. Garrick Mallery, U. S. Army. Chairman of the Subsection of Anthropology of the A.A.A.S. at the Opening of that Subsection, pp. 470-471
Trichinæ Cysts, pp. 471-472
Meteorological Report for New York City for the Week Ending Sept. 24, 1881, p. 472
Daniel Draper

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Next Issue: Vol. 2, No. 67, Oct. 8, 1881



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Next Issue: Vol. 2, No. 68, Oct. 15, 1881


Teaching of Chemistry and Physics in the United States. II., pp. 473-475
On the Sources of Energy in Nature Available to Man for the Production of Mechanical Effect, pp. 475-478
William Thomson

On the Arrestation of Infusorial Life, p. 478
Prof. Tyndall

Planté's Rheostatic Machine, pp. 478-481
Clara Lanza; Th. Du Marcel

On a Process for Utilizing Waste Products and Economizing Fuel in the Extraction of Copper, p. 481
J. Dixon

On the Chemical Action between Solids, p. 481
Prof. Thorpe

A New Demonstration of the Carbonic Acid of the Breath, pp. 481-482
C. F. Cross

The Best Method of Mounting Whole Chick Embryo, p. 482
Charles S. Minot

On the Alleged Decomposition of the Elements, p. 482
Prof. Dewar

Astronomy, p. 482
Microscopy, pp. 482-483


Books Received
----------------, p. 484
A Treatise on Bright's Disease and Diabetes, with Special Reference to Pathology and Therapeutics.
James Tyson; William F. Norris


Meteorological Report for New York City for the Week Ending Oct. 1, 1881, p. 484
Daniel Draper

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Next Issue: Vol. 2, No. 69, Oct. 22, 1881


Book Review
----------------, pp. 485-486
Illusions, a Psychological Study.
James Sully
Review author[s]: E. C. Spitzka


On the Discoveries of the Past Half-Century Relating to Animal Motion, pp. 486-489
J. Burdon-Sanderson

Meteoric Dust, pp. 489-490
Prof. Schuster

The New Astronomer Royal, p. 490
On the Electric Conductivity and Dichroic Absorption of Tourmaline, p. 490
Silvanus P. Thompson

The Hydromotor Ship, pp. 491-493
George Forbes

The Electric Discharge Through Colza Oil, p. 493
A. MacFarlane

Astronomy, pp. 493-494
Balfour Stewart

Microscopy, p. 495
Correspondence, pp. 495-496
Geo. B. Merriman; J. E. Hendricks


Books Received
----------------, p. 496
Celestial Objects for Common Telescopes.
T. W. Webb


A Correction: Changes in Mya and Lunatia Since the Deposition of the New England Shell Heaps, p. 496
Meteorological Report for New York City for the Week Ending Oct. 8, 1881, p. 496
Daniel Draper

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Next Issue: Vol. 2, No. 69, Oct. 22, 1881



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Previous Issue: Vol. 2, No. 68, Oct. 15, 1881
Next Issue: Vol. 2, No. 70, Oct. 29, 1881


The Revelations of the Autopsy Held on the Body of the Late President, pp. 497-503
The American Chemical Society, p. 504
M. B.

Moundbuilder Skeletons. I., pp. 504-505
W. C. Holbrook

White Corpuscles of the Blood, p. 505
Microscopy, pp. 505-506
Fossil Polyzoa-Nomenclature, p. 506
"Preserved Vegetables", pp. 506-507
Otto Hehner

Correspondence, p. 507
Lewis Swift

Notes and Queries, p. 508
J. Wallace

Meteorological Report for New York City for the Week Ending Oct.15, 1881, p. 508
Daniel Draper

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Next Issue: Vol. 2, No. 70, Oct. 29, 1881



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Previous Issue: Vol. 2, No. 69, Oct. 22, 1881
Next Issue: Vol. 2, No. 71, Nov. 5, 1881


The Warner Prizes, pp. 509-510
On the Discoveries of the Past Half-Century Relating to Animal Motion (Concluded), pp. 510-512
J. Burdon-Sanderson

Jurassic Birds and Their Allies, pp. 512-513
O. C. Marsh

The Limited Biological Importance of Synthetic Achievements in Organic Chemistry, p. 513
Albert B. Prescott

The Terra Del Fuegians at the Garden of Acclimation, pp. 514-516
On a New System of Blowpipe Analysis. (I) The Use of Aluminium Plate for Volatilizing Substances, pp. 516-518
W. A. Ross

Astronomy, p. 518
Correspondence, p. 519
Isaac Sharpless

Dr. H. Raymond Rogers and His Critics, pp. 519-520
H. Raymond Rogers

Exchanges and Wants, p. 520
Meterological Report for New York City for the Week Ending Oct. 22, 1881, p. 520
Daniel Draper

Previous Issue: Vol. 2, No. 69, Oct. 22, 1881
Next Issue: Vol. 2, No. 71, Nov. 5, 1881



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Next Issue: Vol. 2, No. 72, Nov. 12, 1881


Science and Medicine, pp. 521-522
New York Academy of Sciences, pp. 522-524
Retarded Development in Insects, p. 525
C. V. Riley

On the "Life Duration of the Heterocera (Moths), p. 525
J. A. Lintner

Electric Railroads in Paris, pp. 526-527
Mechanical Science, pp. 528-531
W. Armstrong

Correspondence, p. 532
J. E. Hendricks

Another Confirmation of Prediction, p. 532
Pliny Earle Chase

Meteorological Report for New York City for the Week Ending Oct. 29, 1881, p. 532
Daniel Draper

Previous Issue: Vol. 2, No. 70, Oct. 29, 1881
Next Issue: Vol. 2, No. 72, Nov. 12, 1881



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Next Issue: Vol. 2, No. 73, Nov. 19, 1881


[Editorial], p. 533
Scientific Associations in Washington, pp. 533-534
The Evolution of Flying Animals, pp. 534-536
Charles Morris

The New Compressed Air Locomotive, pp. 536-537
Universal Energy of Light, p. 537
Pliny Earle Chase

The Electric Exposition, pp. 538-541
E. B. Stuart

Permanganate of Potash Used as an Antidote to the Poison of Serpents, p. 541
Electric Lighter of M. Desruelles, p. 542


Books Received
----------------, p. 542
A Treatise on the Method of Government Survey, with Complete Mathematical, Astronomical and Practical Instructions.
Shobal V. Clevenger


Satellites of Mars. Data for Ephemerides of the Satellites of Mars in the Opposition of 1881, p. 543
Asaph Hall

[Electrical Resistance and the Coefficient of Expansion of Incandescent Platinum: Note], p. 544
Correspondence, p. 544
Geo. B. Merriman

Meteorological Report for New York City for the Week Ending Nov. 5, 1881, p. 544
Daniel Draper

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Next Issue: Vol. 2, No. 74, Nov. 26, 1881


Edison's Method of Preserving Organic Substances, p. 545
Alcoholic Trance, pp. 545-546
Wheatstone and Brewster's Theory of Binocular Perspective, pp. 546-548
The Waters of Paris, pp. 548-552
The Evolution of Flying Animals (Continued), pp. 552-554
Charles Morris

Stone Implements in the Drift. II, pp. 554-555
Watson C. Holbrook

French Academy of Sciences August 8, 1881, p. 555
Comet (g) 1881, Swift, p. 555
C. S. Whittlere

Copying Ink for Readily Transcribing Letters Without a Press, pp. 555-556
An Explanation, p. 556
H. W. Wiley

Meteorological Report for New York City for the Week Ending Nov. 12, 1881, p. 556
Daniel Draper

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Next Issue: Vol. 2, No. 75, Dec. 3, 1881


Front Matter (3 pp.)
The Satellites of Mars, p. 557
A. Hall

Theory of the Moon's Motion, pp. 557-558
New York Academy of Sciences, pp. 558-560
The American Chemical Society, p. 560
On the Nature of the Diphtheritic Contagium, pp. 560-562
H. C. Wood

Solar Parallax, p. 562
Ephemeris of the Satellites of Mars for the Opposition of 1881, pp. 563-564
H. S. Pritchett

----------------, p. 564
Elements of Quaternions.
A. S. Hardy
Review author[s]: Alex S. Christie

Large Telescopes, pp. 564-566
On Maximum Synchronous Glaciation, pp. 566-567
W. J. McGee

Glucose, pp. 567-568
Albert E. Ebert

Meteorological Report for New York City for the Week Ending Nov. 19, 1881, p. 568
Daniel Draper

Back Matter (3 pp.)

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Previous Issue: Vol. 2, No. 74, Nov. 26, 1881
Next Issue: Vol. 2, No. 76, Dec. 10, 1881


Sugar Analysis, p. 569
Manual of Sugar Analysis.
J. H. Tucker

Outlines of the Geology of the Northeastern West Indies Islands, pp. 570-571
P. T. Cleve

The Excavation of the Bed of the Kaaterskill, N. Y., pp. 571-573
Alexis A. Julien

Ringing Fences, p. 573
S. W. Robinson

The Aye-Aye or Cheiromys of Madagascar, pp. 574-576
Detection of Oleomargarine, pp. 576-577
P. Casamajor

Filaria of the Human Blood, pp. 577-578
A Very Remarkable Meteor, p. 578
E. E. Barnard

Instructions Issued by the International Conference for the Observation of the Transit of Venus of 1882, pp. 578-579
M. Benjamin

Bacterian Notes, p. 579
Atomic Phyllotaxy, p. 580
Meteorological Report for New York City for the Week Ending Nov. 26, 1881, p. 580
Daniel Draper

Previous Issue: Vol. 2, No. 74, Nov. 26, 1881
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Science, Vol. 2, No. 76, Dec. 10, 1881


Previous Issue: Vol. 2, No. 75, Dec. 3, 1881
Next Issue: Vol. 2, No. 77, Dec. 17, 1881


Front Matter (3 pp.)
[Letter Regarding Some Astronomical Observations], p. 581
Edward C. Pickering

Shaler and Davis' "Glaciers", pp. 581-584
W. J. McGee

On the Cell-Doctrine and the Bioplasson-Doctrine, pp. 584-589
Louis Elsberg

Dr. D. Draper's Instrument for Recording the Velocity of the Wind, p. 590
Statistics of the Sun, p. 590
French Academy of Sciences, p. 591
Infected Pork, p. 591
The Comparative Action of Dry Heat and Sulphurous Acid upon Putrefactive Bacteria, p. 591
Notes on the Mortality among Fishes of the Gulf of Mexico, p. 592
Spencer F. Baird; S. H. Johnson

Anglo-American Arctic Expedition, p. 592
Meteorological Report for New York City for the Week Ending Dec. 3, 1881, p. 592
Daniel Draper

Back Matter (3 pp.)

Previous Issue: Vol. 2, No. 75, Dec. 3, 1881
Next Issue: Vol. 2, No. 77, Dec. 17, 1881



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Science, Vol. 2, No. 77, Dec. 17, 1881


Previous Issue: Vol. 2, No. 76, Dec. 10, 1881
Next Issue: Vol. 2, No. 78, Dec. 24, 1881


[Editorial], pp. 593-594
The Discovery of the North Pole Practicable, pp. 594-595
John P. Cheyne

An Experiment upon Electric Fish Made by Galvani, p. 596
Clara Lanza

An Important Contribution to the Doctrine of Cerebral Localization, pp. 596-600
E. C. Spitzka


Books Received
----------------, pp. 600-601
Volcanoes: What They are and What They Teach.
John W. Judd
Review author[s]: Alexis A. Julien


The Great Primordial Force (Continued), pp. 601-604
H. Raymond Rogers

Meteorological Report for New York City for the Week Ending Dec. 10, 1881, p. 604
Daniel Draper

Previous Issue: Vol. 2, No. 76, Dec. 10, 1881
Next Issue: Vol. 2, No. 78, Dec. 24, 1881



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Science, Vol. 2, No. 78, Dec. 24, 1881


Previous Issue: Vol. 2, No. 77, Dec. 17, 1881
Next Issue: Vol. 2, No. 79, Dec. 31, 1881


Front Matter (3 pp.)
[Editorial], p. 605
John Michels

The American Chemical Society, p. 606
M. B.

The Volcanic Tuffs of Challis, Idaho, and Other Western Localities, pp. 606-609
Alexis A. Julien

The Scientific Socities of Washington, D. C, p. 609
Diagrammatic Representation of Stereoscopic Phenomena ((Continued), pp. 609-612
W. Le Conte Stevens

Foreign Notes on the Source of Comets' Light, p. 612
Correspondence, pp. 613-614
George H. Stone; John P. Cheyne; Geo. W. Rachel; E. E. Barnard

Musical Fences, pp. 614-615
W. Le Conte Stevens

Notes from Our Foreign Exchanges, pp. 615-616
Meteorological Report for New York City for the Week Ending Dec. 17, 1881, p. 616
Daniel Draper

Back Matter (3 pp.)

Previous Issue: Vol. 2, No. 77, Dec. 17, 1881
Next Issue: Vol. 2, No. 79, Dec. 31, 1881



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Science, Vol. 2, No. 79, Dec. 31, 1881


Previous Issue: Vol. 2, No. 78, Dec. 24, 1881
Next Issue: Vol. 3, No. 80, Jan. 14, 1882


[Editorial], p. 617
The Development of Heat by Muscular Activity, pp. 618-621
A. Fick

Experiments of M. Bjerknes. "Inverse" Imitation of Electric and Magnetic by Hydro-Dynamic Phenomena, pp. 622-623
Shaler and Davis' "Glaciers" (Continued), pp. 624-630
W. J. McGee

Living Objects for the Microscope, p. 630
Meteorological Report for New York City for the Week Ending Dec. 24, 1881, p. 630
Daniel Draper

Previous Issue: Vol. 2, No. 78, Dec. 24, 1881
Next Issue: Vol. 3, No. 80, Jan. 14, 1882



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