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The Microscope and the Study of the Crystalline Schists, pp. 1-2
George H. Williams

Worcester School Children.--The Growth of the Body, Head, and Face, pp. 2-4
Gerald M. West

Bird-Music in August, pp. 4-5
Mary Hyatt

A Rare Form of Polished Stone Implements and Their Probable Use, p. 5
Walter Hough

Ethnographical Survey of the United Kingdom, p. 5
E. W. Brabrook

[Editorial Notes], p. 6
How Many Archæan Rock-Groups Have We in Great Britain?, p. 6
Ch. Callaway


Letters to the Editor
Is the Maya Hieroglyphic Writing Phonetic?, pp. 6-10
Dr. Seler
Irrigation Surveys, p. 10
Richard J. Hinton
Geographical Variation in Birds, pp. 10-11
Lynds Jones
On the Use of the Compound Eyes of Insects, p. 11
W. H. Dollinger
Discovery of Mexican Feather-Work in Madrid, p. 11
Agnes Crane
Is It Instinct or Intelligence, pp. 11-12
Mary E. Holmes


Book-Reviews
----------------, pp. 12-13
Deep-Sea Sounding
Capt. A. S. Barker
----------------, p. 13
Elements of Graphical Statics
L. M. Hoskins


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The Work of the U. S. Geological Survey, pp. 15-17
J. W. Powell

The Geological Society of America, pp. 17-18
Seventh Annual Meeting of the Iowa Academy of Science, pp. 18-19
Unusual Abundance of the Grosbeak in Eastern Massachusetts, p. 19
J. H. Bowles

Notes and News, p. 19
[Editorial Notes], p. 20
Recent Progress in American Horticulture, pp. 20-23
L. H. Bailey

The Importance of "Next-to-Nothing" in Chemistry, pp. 23-24
W. H. Pendlebury

Bread-Fruit Trees in North America, pp. 24-25
F. H. Knowlton

Notes on Mars and Meteors, p. 25
E. Miller


Letters to the Editor
Breathing Wells, p. 25
Goodwin D. Swezey
Hybridism in Genus Colaptes, p. 25
Alvah A. Eaton
How Shall I Study Ants?, p. 25
Dwight Goddard


Book-Reviews
----------------, pp. 26-27
Waterdale Researches; or, Fresh Light on Dynamic Action
Waterdale
Cosmical Evolution: A New Theory of the Mechanism of Nature
E. McLennan
----------------, p. 27
Dynamics of Rotation
A. M. Worthington
----------------, p. 27
Mechanical Drawing
C. W. McCord


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Gravel Man and Palæolithic Culture; a Preliminary Word, pp. 29-30
W. H. Holmes

The Nest of the Trap-Door Spider, p. 30
D. Cleveland

Balances of the Peruvians and Mexicans, p. 30
Walter Hough

An Interesting Sensory Organ in Certain Plant Lice, p. 31
John B. Smith

The Indiana Academy of Science, pp. 31-32
Life-Saving, pp. 32-33
Delos Fall

Notes and News, p. 33
[Editorial Notes], p. 34
The American Psychological Association, pp. 34-35
Association of American Anatomists, p. 35
Notes on the Occurrenge of Rubellite and Lepidolite in Southern California, pp. 35-36
Harold W. Fairbanks


Letters to the Editor
Snake Story, pp. 36-37
W. A. Kellerman
Geographical Variation in Birds, p. 37
Hubert Lyman Clark
Pseudoaurora Not Shadows, p. 37
P. L. Hatch
Natural Selection at Fault, pp. 37-38
J. W. Slater
Speed of Flight of Birds, p. 38
Hubert Lyman Clark
Bowser's Trigonometry, p. 38
H. L. Hodgkins
Humming-Bird's Food, pp. 38-39
Alvah A. Eaton
A Peculiar Fire, p. 39
G. D. Shepardson
Electrical Phenomena on Mountains, p. 39
Geo. Clulow
Maya Codices, p. 39
Cyrus Thomas


Book-Reviews
----------------, pp. 39-40
Experimental Evolution
Henry de Varigny
----------------, p. 40
Text-Book of Elementary Biology
H. J. Campbell
----------------, pp. 40-41
Physics. Advanced Course
George F. Barker


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Back Matter (3 pp.)

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The New Botany, pp. 43-44
Lester F. Ward

The Structure of Insect Tracheæ, with Special Reference to Those of Zaitha Fluminea, pp. 44-46
Alfred C. Stokes

Current Notes on Anthropology.--XXI, pp. 46-47
D. G. Brinton

[Editorial Notes], p. 48
Notes from the Cornell Insectary, pp. 48-49
M. V. Slingerland

The Extreme Heat and Cold Endured by Man, pp. 49-50
Marquis De Nadaillac

Bezoars, pp. 50-51
Eliza Brightwen

The Study of Moulting in Birds, pp. 51-52
Witmer Stone


Letters to the Editor
Comparative Longevity, pp. 52-53
S. V. Clevenger


Book-Reviews, pp. 53-55
Handbook of Australian Fungi
M. C. Cooke
Select Extra-Tropical Plants, Readily Eligible for Industrial Culture or Naturalization
Baron Ferd von Mueller
Review author[s]: Joseph F. James

----------------, p. 55
A Text-Book of Least Squares
Mansfield Merriman
Theory of Errors and Method of Least Squares
W. W. Johnson

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Some Insect Immigrants in Ohio, pp. 57-59
F. M. Webster

A Skeleton of Steller's Sea-Cow, p. 59
Barton W. Evermann

Plant Diseases, Caused by Nematoid Worms of the Genus aphelenchus bast. I, pp. 59-61
J. Ritzema Bos

Buried Alive, -- One's Sensations and Thoughts, p. 61
Warren K. Moorehead

Notes and News, p. 61
[Editorial Notes], p. 62
The Relation of Alimentation to Some Diseases, pp. 62-64
James Wood

Snow-Rollers, pp. 64-65
E. W. Claypole


Letters to the Editor
Some Detailed Evidence of an Ice-Age Man in Eastern America, pp. 65-66
G. Frederick Wright
Palæolithic Man in North America, pp. 66-67
Henry W. Haynes
Criticism of the U. S. Geological Survey, pp. 67-68
S. A. Miller
Monument to Hirn, p. 68
R. H. Thurston
"Breathing Wells" in Missouri, p. 69
J. E. Todd


Book-Reviews
----------------, p. 69
People of Finland in Archaic Times
J. C. Brown


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The Ice-Wall on the Beach at Hull, Massachusetts, January, 1893, pp. 71-72
J. B. Woodworth

The Generic Evolution of the Palæozoic Brachiopoda, pp. 72-74
Agnes Crane

On the So-Called Incas Eyes, pp. 74-75
W. S. Miller

Current Notes on Anthropology.--XXII, p. 75
D. G. Brinton

[Editorial Notes], p. 76
Recent Observations at Kilauea, p. 76
Josiah Keep

Extremes in the Plant World, pp. 76-77
J. I. D. Hinds

Destruction of Crows during the Recent Cold Spell, p. 77
Robert Ridgway

Remarks on American Lichenology.--III, pp. 77-78
W. W. Calkins

Osteological Notes, pp. 78-79
Daniel Denison Slade

Early Methods of Boring, p. 79
Joseph D. McGuire


Letters to the Editor
Confusion in Weights and Measures, pp. 79-80
T. C. Mendenhall
Easy Method of Calculating Complex Surveys, p. 80
R. O. Graha
Notes on Several Special Transformations, p. 81
Geo. A. Miller
Skeletons of Steller's Sea-Cow Preserved in the Various Museums, p. 81
Leonhard Stejneger
"Unconscious Cerebration", p. 81
S. V. Clevenger


Book-Reviews
----------------, pp. 81-82
Hereditary Genius: An Inquiry into Its Laws and Consequences
Francis Galton
Finger Prints
Francis Galton
----------------, p. 82
The Foot-Path Way
Bradford Torrey
----------------, pp. 82-83
The Testimony of Tradition
David MacRitchie
----------------, p. 83
Criminology
Arthur MacDonald; Cesare Lombroso
----------------, p. 83
Bible Studies
Henry Ward Beecher; John R. Howard
The Evolution of Christianity
M. J. Savage


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Next Issue: Vol. 21, No. 525, Feb. 24, 1893


A Remarkable Occurrence of Selenite, pp. 85-86
J. E. Talmage

The Future Ohm, Ampere, and Volt, pp. 86-87
Henry S. Carhart

The Classification and Naming of Igneous Rocks, pp. 87-89
W. S. Bailey

Cloud Classification, p. 89
David Wilson-Barker

Notes and News, p. 89
[Editorial Notes], p. 90
The Miocene Group of Alabama, pp. 90-91
Lawrence C. Johnson

The Scientific Aspect of the University Settlement Movement, pp. 91-92
Frederic A. C. Perrine

A New Visual Illusion, pp. 92-93
Edmund C. Sanford

A Suggestion as to Topographic Maps, p. 93
Arthur P. Davis


Letters to the Editor
Pseudoauroræ, pp. 93-94
George H. Hudson
Continuous Rain, p. 94
H. E. Chapin
Natural Selection at Fault, p. 94
Richard Lees
Leaf Impressions in the Eocene Tertiary of Alabama, pp. 94-95
Daniel W. Langdon, Jr.
Bowser's Mathematical Text-Books, p. 95
A. S. Hathaway
Some Additional Remarks on Maya Hieroglyphic Writing, p. 95
Dr. Seler
Languages of the Gran Chaco, p. 95
Samuel A. Lufone Quevedo
Controversies in Science, pp. 95-96
Edward P. Williams, Jr.


Book-Reviews
----------------, pp. 96-97
The Hemiptera Heteroptera of the British Islands. A Descriptive Account of the Families, Genera, and Species Indigenous to Great Britain and Ireland, with Notes as to Localities, Habitats, etc.
Edward Saunders


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The Absence of Air from the Moon, p. 99
Robert Ball

Some Errors in Thermometer Readings, pp. 99-100
Frank Waldo

To Anthropologists, p. 100
Goldsmiths Institute Engineering Society, pp. 100-102
Frederick Bramwell's

On the Growth of the Rattle of Crotalidæ, p. 102
S. Garman

Current Notes on Anthropology.--XXIII, pp. 102-103
D. G. Brinton

[Editorial Notes], p. 104
The Alphabets of the Berbers, pp. 104-105
D. G. Brinton


Letters to the Editor
The Trinomial Question in Nomenclature, p. 105
C. H. Tyler Townsend
Notes on the Fauna of the Dry Regions, pp. 105-106
A. W. Anthony
Bad-Air Indicator, p. 106
C. H. Ames
On Chelydra Serpentina, pp. 106-107
S. Garman
Snow Rollers, p. 107
D. S. Kellogg
The Antiquity of Man, p. 107
Henry W. Haynes
Birds in Severe Cold Weather, p. 107
E. R. Whitney
Miocene Group of Alabama, p. 107
Lawrence C. Johnson
Mule-Footed Hogs, p. 107
Jno. H. Frick


Book-Reviews
----------------, pp. 107-108
A Manual of Bacteriology
George M. Sternberg
----------------, pp. 108-109
Discussion of the Precision of Measurements
Silas W. Holman
----------------, p. 109
Seventh Annual Report of the State Board of Health of the State of Maine, 1891
----------------, p. 109
The Mound Builders, Their Works and Relics
Stephen D. Peet
The Mound Builders, Their Works and Relics. Vol. I.
----------------, p. 109
Some Strange Corners of Our Country: The Wonderland of the Southwest
Chas F. Lummis
----------------, pp. 109-110
First Steps in Etruscan
F. W. Newman
The Etrusco Libyan Elements in the Song of the Arval Brethren
D. G. Brinton
----------------, pp. 110-111
Theory of Structures and of Strength of Materials
Henry T. Bovey


Among the Publishers, p. 111
Back Matter (3 pp.)

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Laws and Nature of Cohesion, pp. 113-115
Reginald A. Fessenden

The Groove in the Petiole of Leaves, pp. 115-117
Aven Nelson

The Cleansing Function of Hairs, p. 117
Henry Sewell

Notes and News, p. 117
[Editorial Notes], p. 118
Some Points in the Comparative Osteology of the Tapir, p. 118
Charles Earle

The Speech of Children, pp. 118-120
A. Stevenson

The Genesee River, p. 121
Brownell Rogers

Oddities in Bird Life, pp. 121-122
C. W. Swallow

Telephoning by Induction, p. 122
G. H. Bryan


Letters to the Editor
The So-Called "Cache Implements", pp. 122-123
Charles C. Abbott
The Largest Trees in the World, p. 123
Joseph F. James
Fern Frost, pp. 123-124
W. P. Shannon
On the Use of the Compound Eyes of Insects, p. 124
R. T. Lewis


Among the Publishers, pp. 124-125
Back Matter (3 pp.)

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The Boturini-Aubin-Goupil Collection of Mexicana, pp. 127-128
D. G. Brinton

Time-Periods of the Mayas, pp. 128-130
Cyrus Thomas

Notes on the Formation of the Iron Ores, p. 131
James D. Robertson

Notes and News, p. 131
[Editorial Notes], p. 132
An Old Volcanic Eruption in Iowa, p. 132
Charles R. Keyes

The Permian in Prince Edward Island, pp. 132-133
F. Bain

Notes on the Wing-Color of North American Locusts Belonging to the Sub-Family Oedipodinae and Its Seeming Relation to Climatic Conditions, p. 133
Lawrence Bruner

Current Notes on Anthropology.--XXIV, pp. 133-134
D. G. Brinton


Letters to the Editor
A Reply to Professor Hathaway, pp. 134-135
E. A. Bowser
A Question of Evidence, pp. 135-136
W. H. Holmes
The Neanderthal Skull, p. 136
D. G. Brinton
Aerial Bubbles, p. 136
Henry U. Swinnerton
Hardy Towhee Buntings, p. 136
Albert B. Farnham
The Speech of Children, pp. 136-137
Howard Lilienthal
Solidungulate Pigs, p. 137
Elliott Coues


Book-Reviews
----------------, p. 137
Original Papers on Dynamo Machinery and Allied Subjects
John Hopkinson
----------------, p. 137
Electricity and Magnetism: Being a Series of Advanced Primers of Electricity
Edwin J. Houston
Review author[s]: R. A. F.
----------------, pp. 137-138
Contributions from the Botanical Laboratory of the University of Pennsyloania. Vol. I., No. 1
Bulletin of the Scientific Laboratories of Denison University, Granville, Ohio. Vol. VII
Review author[s]: Joseph F. James
----------------, pp. 138-139
An Introductory Manual for Sugar Growers
Francis Watts


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Where Is the Litre?--A Modern Scientific Puzzle-Picture, pp. 141-144
Stephen H. Emmens

A Presumably New Fact Relative to the Cedar Waxwing (Ampelis cedrorum), with Remarks upon the Importance of a Thorough Knowledge of First Plumages, pp. 144-145
Edwin M. Hasbrouck

Boiling-Point and Radius of Molecular Force, p. 145
T. Proctor Hall

Dr. George Vasey, p. 145
[Editorial Notes], p. 146
California Pictographs and Hieroglyphics, pp. 146-147
Theodore H. Hittell

Involuntary Recollection, pp. 147-148
Jas. W. Donaldson

The Arrangement and Number of Eggs in the Nest, pp. 148-149
Morris Gibbs

The Use of the Term "Carbohydrates.", pp. 149-150
W. E. Stone

Electrical Notes, p. 150
R. A. F.


Letters to the Editor
Does the Ether Absorb Light?, p. 150
A. E. Dolbear
Natural Selection at Fault, pp. 150-151
Eugene Murray Aaron


Book-Reviews
----------------, p. 151
Die Zukunft des Silbers
Eduard Suess
Review author[s]: F. W. Taussig
----------------, pp. 151-152
How to Manage the Dynamo
S. R. Bottone
Review author[s]: R. A. F.
----------------, p. 152
Electrical Experiments
G. E. Bonney
----------------, pp. 152-153
Manual of Irrigation Engineering
H. M. Wilson


Among the Publishers, p. 153
Back Matter (3 pp.)

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The Comparative Method of Study, pp. 155-156
George H. Johnson

Natural Selection and Use-Inheritance, pp. 156-157
Victor Yarros

Feeding-Lines of a Living Land Gasteropod on Lichened Slate, p. 157
J. B. Woodworth

Note on the Generic Name Chirotes, pp. 157-158
Leonhard Stejneger

The Ravages of Book Worms, p. 158
Samuel A. Green

Current Notes on Anthropology.--XXV, p. 159
D. G. Brinton

[Editorial Notes], p. 160
The Evolution and Use of the Aftershaft in Birds, pp. 160-161
Hubert Lyman Clark

British Stone Circles, pp. 161-162
A. L. Lewis

Physiological Contributions from Missouri Botanical Garden. I, p. 162
J. Christian Bay


Letters to the Editor
An Alleged Mongoloid Race in Europe, pp. 162-163
David MacRitchie
A Possible Source of Confusion as to the Origin and Character of Certain Shells, p. 163
Henry M. Seely


Book-Reviews
----------------, p. 163
A Microscopic Study of Changes due to Functional Activity of Nerve Cells. Reprinted from the Journal of Morphology
C. F. Hodge
----------------, pp. 163-165
The Naturalist on the River Amazons
Henry Walter Bates; Edward Clodd
Review author[s]: Joseph F. James
----------------, pp. 165-166
Text-Book of the Embryology of Man and of Mammals
Oscar Hertwig; E. L. Mark
----------------, pp. 166-167
Chemical Lecture Experiments. Non-Metallic Elements
G. S. Newth
Review author[s]: C. P.
----------------, p. 167
An Introduction to Qualitative Chemical Analysis by the Inductive Method. A Laboratory Manual for Colleges and High Schools
Delos Fall
Review author[s]: C. P.
----------------, p. 167
The Batrachians and Reptiles of the State of Indiana
Oliver P. Hay
----------------, p. 167
The Birds of Indiana
Amos W. Butler


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On the Ethnological Characteristics of the Human Nasal Canals, considered as an Economic Adaptation, pp. 169-170
William C. Braislin

The Effect on the College Curriculum of the Introduction of the Natural Sciences, pp. 170-172
W. L. Poteat

The Marine Biological Laboratory.--Sixth Season, 1893, pp. 172-173
Electrical Notes, p. 173
R. A. F.

Notes and News, p. 173
[Editorial Notes], p. 174
Hydrographic Area of the Rio Wanque or Coco in Nicaragua, pp. 174-177
J. Crawford

Natural and Artificial Cements in Canada, pp. 177-178
H. Peareth Brumell


Letters to the Editor
Prehistoric Remains in America, p. 178
Cyrus Thomas
Some More Infinitesimal Logic, pp. 178-179
A. S. Hathaway
Color of Flowers, p. 179
Jeanne Neal


Book-Reviews
----------------, p. 179
Extinct Monsters
H. N. Hutchinson
----------------, p. 179
Advanced Lessons in Human Physiology
Oliver P. Jenkins
Primary Lessons in Human Physiology
Oliver P. Jenkins
----------------, pp. 179-180
Interpretation of Nature
Nathaniel S. Shaler
----------------, p. 180
Formation of the Union, 1750-1822
Albert Bushnell Hart
----------------, p. 180
Proof of Evolution
Nelson C. Parshall


Among the Publishers, pp. 180-181
Back Matter (3 pp.)

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The Work of a Botanical Laboratory in Pharmaceutical Manufacture, pp. 183-184
John S. Wright

On the Emergence of a Sham Biology in America, pp. 184-186
Conway Macmillan

The Aurora, pp. 186-187
W. A. Ashe

Notes and News, p. 187
[Editorial Notes], p. 188
Earthquakes in Australasia, p. 188
George Hogben

The Prefix aq- in Kitonaqa, pp. 188-189
Albert S. Gatschet

Mammoth Cave in March, pp. 189-190
H. C. Hovey


Letters to the Editor
Anatomical Nomenclature, pp. 190-191
Howard Ayers
The Neanderthal Skull, p. 191
E. W. Claypole
Prehistoric Coil Pottery, pp. 191-192
Henry Hales
The Sense of Boundary in Dogs, p. 192
F. Tuckerman
The Results of Search for Paleolithic Implements in the Ohio Valley, p. 192
Warren K. Moorehead
Probable Causes of Rainy Period in Southern Peru, pp. 192-193
Sereno E. Bishop
A Peculiar Eye, p. 193
C. D. McLouth
Speech of Children, p. 193
Francis H. Allen
Singing of Birds, p. 193
E. B. Titchener


Book-Reviews
----------------, p. 193
Third Annual Report of the Geological Survey of Texas, 1891
E. T. Dumble
Review author[s]: J. F. J.
----------------, pp. 193-194
The Journal of Geology. vol. I, No. 1. January-February, 1893
----------------, p. 194
Proceedings of the Ninth Annual Convention of the Association of Official Agricultural Chemists
Review author[s]: C. P.
----------------, pp. 194-195
Matter, Ether, and Motion
A. E. Dolbear
----------------, p. 195
Magnetism and Electricity
Arthur William Poyser
Review author[s]: R. A. E.
----------------, p. 195
Catalogue of American Localities of Minerals
Edward S. Dana


Among the Publishers, p. 195
Back Matter (3 pp.)

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Physical Science in the Secondary Schools, pp. 197-198
Charles F. Mabery

Our Vacant Public Lands, pp. 198-199
F. H. Newell

Contributions from the Laboratory of the York Collegiate Institute, pp. 199-200
C. H. Ehrenfeld

The Hieroglyphics and Symbols of Ancient Mexico, p. 200
Francis Parry

Current Notes on Anthropology.--XXVI, pp. 200-201
D. G. Brinton

[Editorial Notes], p. 202
Glaciation in Australia, p. 202
T. S. Hall

Secrets of the Atmosphere, pp. 202-206
H. A. Hazen

Loss of Dry Matter by the Sprouting of Cor Seeds, pp. 206-207
E. H. Farrington

Electrical Notes, p. 207
R. A. F.


Letters to the Editor
Early Attempts at Storm-Warning, p. 207
Frank Waldo
Pre-Historic Remains in America, pp. 207-208
D. G. Brinton
Auroras, p. 208
M. A. Veeder
The Palæolithic Man Once More, pp. 208-209
Henry W. Haynes


Book-Reviews
----------------, p. 209
The History and Theory of Money
Sidney Sherwood


Among the Publishers, p. 209
Back Matter (3 pp.)

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Next Issue: Vol. 21, No. 534, Apr. 28, 1893


Laboratory Instruction in Physics, pp. 211-213
D. W. Hering

A New Method of Child Study, pp. 213-214
J. Mark Baldwin

Japanese Nursery Notes, p. 215
Albert S. Ashmead

Notes and News, p. 215
[Editorial Notes], p. 216
Evidence of Two Pre-Morainic Glacial Movements, p. 216
G. D. Swezey

Some Notes on Lighthouse Apparatus, pp. 216-218
J. Kenward

A Japanese Sick with Scarlet-Fever, p. 218
Albert S. Ashmead

Electrical Notes, pp. 218-219
R. A. F.


Letters to the Editor
Low Temperatures, p. 219
Frederick Schwatka; Fred. G. Plummer
Where Is the Litre?, pp. 219-220
T. C. Mendenhall
On the Teaching of Biology, pp. 220-221
Francis H. Herrick
A New Source of the So-Called Mexican Onyx, p. 221
George P. Merrill


Book-Reviews
----------------, pp. 221-223
The Metaspermæ of the Minnesota Valley. A List of the Higher Seed-Producing Plants Indigenous to the Drainage Basin of the Minnesota River
Conway MacMillan


Back Matter (3 pp.)

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Previous Issue: Vol. 21, No. 533, Apr. 21, 1893
Next Issue: Vol. 21, No. 535, May 5, 1893


The Topographic Maps of the United States Geological Survey, pp. 225-227
W. M. Davis

Sun-Heat and Orbital Eccentricity, pp. 227-228
Ellen Hayes

On A Physiological Classification of the Ophidia -- with Special Reference to the Constrictive Habit, pp. 228-229
Arthur Stradling

Notes and News, p. 229
[Editorial Notes], p. 230
Observations on Gophers and Moles in Oregon, p. 230
F. L. Washburn

One of the Gypsum Crystals from the Cave at South Wash, Wayne Co., Utah, pp. 230-231
Alfred J. Moses

Distance and Color Perception by Infants, pp. 231-232
J. Mark Baldwin


Letters to the Editor
The Convex Profile of Bad-Land Divides, pp. 232-233
L. E. Hicks
The Moon's Atmosphere, p. 233
W. H. Howard
Note on the Crystalline Lens of the Eye, p. 233
R. W. Shufeldt
The Aurora, pp. 233-234
M. A. Veeder
Where Is the Litre?, p. 234
Stephen H. Emmens
Sham Biology in America, pp. 234-235
Henry F. Osborn
Cedar Waxwings, p. 235
P. L. Hatch
An Appeal to Naturalists, pp. 235-236
Charles Sedgwick Minot


Book-Reviews
----------------, p. 236
The Meaning and the Method of Life: A Search for Religion in Biology
George M. Gould
----------------, pp. 236-237
Beiträge Zur Kenntniss der Baues und Lebens der Flechten. II. Die Syntrophie
Arthes Minks
Review author[s]: W.
----------------, p. 237
The Story of the Atlantic Telegraph
Henry M. Field
----------------, p. 237
The Voltaic Cell
Park Benjamin
Review author[s]: R. A. F.


Back Matter (3 pp.)

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Previous Issue: Vol. 21, No. 534, Apr. 28, 1893
Next Issue: Vol. 21, No. 536, May 12, 1893


The So-Called "Sap" of Trees and Its Movements, pp. 239-241
Charles R. Barnes

Note on the Sea-Urchin Skeletons, pp. 241-242
Henry Leslie Osborn

The Canals of Mars, pp. 242-243
S. E. Peal

Notes and News, p. 243
[Editorial Notes], p. 244
The Product of a Changed Environment, p. 244
George H. Hudson


Letters to the Editor
Variation in Native Ferns, pp. 244-245
W. M. Beauchamp
Singing of Birds, p. 245
Morris Gibbs
On a Supposed Climatic Variation in the Wing-Color of Some Orthoptera, pp. 245-246
W. L. Distant
A Puzzle for Future Archæologists, p. 246
Charles B. Palmer
Pre-Historic Remains in America, p. 246
Cyrus Thomas
The Lobatcheffsky Centenary, pp. 246-247
George Bruce Halsted
Nesting of the Road-Runner, p. 247
Joe Grinnell
Ad Ignorantiam, p. 247
Edward H. Williams, Jr.
Color in Flowers, p. 247
F. H. Plumb


Book-Reviews
----------------, pp. 247-248
Idle Days in Patagonia
W. H. Hudson
Review author[s]: Joseph F. James
----------------, pp. 248-249
The Coal-Tar Colors, with Especial Reference to Their Injurious Qualities and the Restriction of Their Use: A Sanitary and Medico-Legal Investigation
Theodore Weyl; Henry Leffmann
Review author[s]: Charles Platt
----------------, p. 249
Alternating Currents
Frederick Bedell
Review author[s]: R. A. F.
----------------, pp. 249-250
Comparative Philology of the Old and New Worlds with Reference to Archaic Speech
R. P. Greg
----------------, p. 250
An Atlas of Astronomy
Robert Stawell Ball
Review author[s]: G. A. H.
----------------, p. 251
Introduction à la Théorie des Explosifs
M. E. Sarrau
Review author[s]: C. P.


Back Matter (3 pp.)

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Previous Issue: Vol. 21, No. 535, May 5, 1893
Next Issue: Vol. 21, No. 537, May 19, 1893


Mount Orizaba or Citlaltepetl, pp. 253-257
J. T. Scovell

Notes and News, p. 257
[Editorial Notes], p. 258
The Value of a Water Analysis, pp. 258-259
W. P. Mason

Starfishes of the Indian Ocean, p. 259
R W. Shufeldt

The Use of Poisons as Fungicides and Insecticides, pp. 259-260
L. R. Taft

Lighthouse Illuminants, pp. 260-261
WM. P. Anderson

The Collection of Fossil Mammals in the American Museum of Natural History, New York, p. 261
Henry F. Osborn

Current Notes on Anthropology.--XXVII, pp. 261-263
D. G. Brinton


Letters to the Editor
A Physiological Effect of Cave Visiting, p. 263
Henry Ling Taylor
Pre-Historic Remains in America, p. 263
D. G. Brinton
Tornadoes, p. 263
E. M. Danglade
Pivotal Sounds in Recollection, pp. 263-264
S. V. Clevenger
Singing of Birds, p. 264
Mary B. Moody
Photographs of Botanists, p. 264
W. J. Beal


Book-Reviews
----------------, pp. 264-265
Coal-Pits and Pitmen: A Short History of the Coal Trade and the Legislation Affecting It
R. Nelson Boyd
Review author[s]: J. F. J.
----------------, p. 265
The Student's Handbook of Physical Geology
A. J. Jukes-Browne
Review author[s]: W. M. D.


Back Matter (3 pp.)

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Previous Issue: Vol. 21, No. 536, May 12, 1893
Next Issue: Vol. 21, No. 538, May 26, 1893


Mr. Holmes's Criticism upon the Evidence of Glacial Man, pp. 267-268
G. Frederick Wright

Pharmaceutical Education, pp. 268-269
Henry Kraemer

The Tell El-Amarna Tablets, p. 269
Thomas Harrison

Some Conflicting Estimates of Distance, pp. 269-270
Arthur E. Bostwick

Notes and News, pp. 270-271
[Editorial Notes], p. 272
The Chicago Academy of Sciences, pp. 272-273
C. H. Gordon

Is It a Science?, pp. 273-274
William L. Scruggs

British Stone Circles.-II. Stonehenge, pp. 274-275
A. L. Lewis


Letters to the Editor
What Is Biology?, pp. 275-276
J. Christian Bay
Epidermic Forms of Mental or Nervous Diseases or Disorders, p. 276
James Wood
Color of Flowers, p. 276
A. B Steele
The Aurora, pp. 276-277
W. A. Ashe


Book-Reviews
----------------, p. 277
The Earth's History. An Introduction to Modern Geology
R. D. Roberts
Review author[s]: Joseph F. James
----------------, pp. 277-278
Public Health Problems
John F. J. Sykes
----------------, p. 278
Report on the Brown Coal and Lignite of Texas
E. T. Dumble
Review author[s]: Joseph F. James
----------------, pp. 278-279
Manual of Machine Drawing and Design
D. A. Low; A. W. Bevis
----------------, p. 279
The Philosophy of Individuality, or the One and the Many
Antoinette Brown Blackwell


Back Matter (3 pp.)

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Previous Issue: Vol. 21, No. 537, May 19, 1893
Next Issue: Vol. 21, No. 539, Jun. 2, 1893


The Norian Rocks of Canada, pp. 281-282
Andrew C. Lawson

Geology of Tucumcari, New Mexico, pp. 282-283
W. F. Cummins

The Marine Biological Station of the University of Texas, p. 284
Charles L. Edwards

Method of Making a Sanitary Investigation of a River, pp. 284-285
Chas. C. Brown

Notes and News, p. 285
[Editorial Notes], p. 286
Sign Language in Print, p. 286
Frederick Starr

Current Notes on Anthropology.--XXVIII, pp. 286-287
D. G. Brinton


Letters to the Editor
Sham Biology, pp. 287-289
Henry F. Nachtrieb
On Methods of Defending the Existence of a Sham Biology in America, pp. 289-291
Conway MacMillan
Photographs of Scientific Men, p. 291
Marcus Benjamin
The Palæolithic Man in Ohio, p. 291
Henry W. Haynes


Book-Reviews
----------------, p. 291
Mineral Resources of the United States. 1891
David T. Day
Review author[s]: C. P.
----------------, pp. 291-293
William Gilbert of Colchester, On the Loadstone and Magnetic Bodies
P. Fleury Mottelay
Review author[s]: R. A. F.


Back Matter (3 pp.)

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Previous Issue: Vol. 21, No. 538, May 26, 1893
Next Issue: Vol. 21, No. 540, Jun. 9, 1893


The Latest Discoveries in Chaldæa, pp. 295-296
Marquis De Nadaillac

An Experimental Basis for Literary Criticism, pp. 296-297
Conway MacMillan

In Regard to Color-Blindness among Indians, pp. 297-298
Lucien I. Blake; W. S. Franklin

The Vertical Script, p. 298
W. H. Metzler

Disinfectants and Disinfection, pp. 298-299
David Bevan

[Editorial Notes], p. 300
Iron And Aluminium in Bone Black: Their Quantitative Determination, pp. 300-301
F. G. Wiechmann

Osteological Notes, pp. 301-302
Daniel Denison Slade


Letters to the Editor
The Mean Distance of the Earth, pp. 302-303
Alice Porter
A Beautiful Spectacle, p. 303
Alice Porter
A Fall of Colored Snow, pp. 303-304
A. N. Somers
The Aurora, p. 304
M. A. Veeder
Worms in the Brain of a Bird, pp. 304-305
G. H. French
Epidemic Forms of Mental or Nervous Diseases or Disorders, p. 305
W. A. Kellerman
The Winter of 1709, p. 305
C. B. Warring
Animal Effigies, p. 305
C. B. M.


Book-Reviews
----------------, pp. 305-307
The Moon's Face: A Study of the Origin of Its Features
G. K. Gilbert
Review author[s]: Joseph F. James
----------------, p. 307
The Mineral Industry. Its Statistics, Technology, and Trade, in the United States and Other Countries from the Earliest Times to the End of 1892. Vol. I
Richard P. Rothwell
Review author[s]: C. P.


Back Matter (3 pp.)

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Previous Issue: Vol. 21, No. 539, Jun. 2, 1893
Next Issue: Vol. 21, No. 541, Jun. 16, 1893


Note on the "Age of the Earth", pp. 309-310
W. J. Mcgee

The Standard Color Scheme, pp. 310-311
J. H. Pillsbury

Missouri Official Geological Reports, pp. 311-312
F. A. Sampson

Character in Animals, p. 312
W. C. Barrett

Current Notes on Anthropology.--XXIX, pp. 312-313
D. G. Brinton

Notes and News, p. 313
[Editorial Notes], p. 314
The Formation and Deformation of Minnesota Lakes, pp. 314-315
C. W. Hall

The Royal Society of Canada, pp. 315-316
Henry M. Ami

The Place of the Laboratory in Teaching Physics, pp. 316-317
A. D. Cole

Discovery of Ancient Argillite Quarries on the Dela Ware, p. 317
Henry C. Mercer


Letters to the Editor
Science Work at the Avalon Summer Assembly, pp. 317-318
John Gifford
Early Man in Minnesota, pp. 318-319
Henry W. Haynes
Preliminary Note on Eggs of Cottus Richardsoni, p. 319
J. Percy Moore
Gophers and Moles, p. 319
Arthur Stradling


Book-Reviews
----------------, pp. 319-320
Destructive Distillation. A Manualette of the Paraffin, Coal Tar, Rosin Oil, Petroleum, and Kindred Industries
J. Mills
Review author[s]: C. P.
----------------, pp. 320-321
Poole Brothers' Celestial Handbook and Planisphere
Jules A. Colas
Review author[s]: G. A. H.
----------------, p. 321
Missouri Botanical Garden. Fourth Annual Report
Review author[s]: J. F. J.


Back Matter (3 pp.)

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Previous Issue: Vol. 21, No. 540, Jun. 9, 1893
Next Issue: Vol. 21, No. 542, Jun. 23, 1893


Organic Color, pp. 323-325
F. T. Mott

Minor Phonetic Elements of Maya Hieroglyphs, pp. 325-326
Hilborne T. Cresson

Preliminary Note on the Distribution of Place-Names in the Northern Highlands of Scotland, p. 326
John Gunn

Note upon the Absorption of Sulphur by Char-Coal, pp. 326-327
William P. Blake

The Earth as an Electrical Conductor, p. 327
A. F. McKissick

A Valuable Florida Deposit, p. 327
Thos. R. Baker

Notes and News, p. 327
[Editorial Notes], p. 328
Report on the Memorial Presented to the Smithsonian Institution Regarding an American Table at the Naples Zoölogical Station, pp. 328-329
C. W. Stiles

Association of Colors with Sounds, pp. 329-330
B. F. Underwood

The Gull Lake Biological Station of the University of Minnesota, p. 330
Conway MacMillan

Notes on the Pollination of Plums, p. 331
L. H. Pammel


Letters to the Editor
Total Heat Received by a Planet, p. 331
Rev. Geo. M. Searle
A Peculiar Occurrence of Beeswax, pp. 331-332
George P. Merrill
Books for Children, p. 332
Frank Waldo
Worms in the Brain of a Bird, p. 332
Clarence B. Moore
Note on a Supposed New Endogenous Tree from the Carboniferous, pp. 332-333
F. H. Knowlton
Mean Values, p. 333
Ellen Hayes
Iron and Aluminium in Bone Black, p. 333
J. G. Wiechmann
Estimated Distance of Phantoms, pp. 333-335
Joseph LeConte
A Rain of Fishes, p. 335
Thomas R. Baker


Among the Publishers, p. 335
Back Matter (3 pp.)

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Previous Issue: Vol. 21, No. 541, Jun. 16, 1893
Next Issue: Vol. 21, No. 543, Jun. 30, 1893


Front Matter (1 p.)
A Study on Plant Fecundation, pp. 337-338
H. J. Webber

Climate and the Variation of Slugs, pp. 338-339
T. D. A. Cockerell

A Study in Polarization.--Preliminary Note, pp. 339-340
John Daniel

On the Formation of Aluminum sulphate in the Shales Thrown from Coal-Mines, p. 340
M. H. Lockwood

Current Notes on Anthropology.--XXX, pp. 340-341
D. G. Brinton

Notes and News, p. 341
[Editorial Notes], p. 342
The Sediment of the Potomac River, pp. 342-343
Cyrus C. Babb

Glaciation in Pennsylvania, p. 343
Edward H. Williams, Jr.

Influence of Parasites on Other Insects, pp. 343-344
G. C. Davis

Earthquakes in Australasia.--II, p. 344
Georgk Hogben


Letters to the Editor
Some Recently Discovered Trilobites with Appendages, pp. 344-345
J. F. Kemp
Cedar Waxwing, p. 345
Witmer Stone
Native Lead, p. 345
C. W. Kempton
The Ancient Egyptian Language, p. 345
Chas. H. S. Davis
Funnel-Shaped Clouds, p. 345
G. H. Stone
Glaciers in the United States, p. 345
Fred. G. Plummer
Binocular Vision, pp. 345-346
Arthur E. Bostwick
A Night-Singing Cat-Bird, p. 346
A. Stevenson
Is It a Paleolith?, p. 346
Jno. T. Campbell
Cloud Formation, pp. 346-347
Alvah A. Eaton
Birds That Sing in the Night, p. 347
Alvah A. Eaton
Books for Children, p. 347
Austin C. Apgar
Teaching of Biology, pp. 347-348
H. T. Fernald


Book-Reviews
----------------, p. 348
Fifteenth Annual Report of the State Board of Health of the State of Connecticut, for the Seven Months Ending June 30, 1892
----------------, pp. 348-349
The Archœan Formation of the Abukuma Plateau
B. Koto
Review author[s]: Joseph F. James
----------------, p. 349
The Microscopical Examination of Potable Water
Geo. W. Rafter
Review author[s]: C. P.


Among the Publishers, p. 349
Back Matter (2 pp.)

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Previous Issue: Vol. 21, No. 542, Jun. 23, 1893
Next Issue: Vol. 22, No. 544, Jul. 7, 1893


Front Matter (1 p.)
The Evolution of Consciousness and of the Cortex, pp. 351-352
C. L. Herrick

Some Current Notes upon Meteorites, p. 352
S. C. H. Bailey

Biology in Our Colleges: A Plea for a Broader and More Liberal Biology, pp. 352-355
C. Hart Merriam

Notes on Pennsylvania German Folk-Medicine, p. 355
W. J. Hoffman

Notes and News, p. 355
[Editorial Notes], p. 356
Congress of Chemists at Chicago, pp. 356-357
Harvey W. Wiley

The Effect of Food upon the Composition of Butter, p. 357
Fred W. Morse

Electrical Notes, pp. 357-358
R. A. F.


Letters to the Editor
Peculiar Nesting of a King-Bird, p. 358
Wm. Kennedy
The Tucumcari Fossils, pp. 358-360
Jules Marcou
Natural and Artificial Cements in Canada, p. 360
E. Bravendee
Sound and Color, p. 360
Samuel S. Wallian
Age of Guano Deposits, p. 360
Robert Ridgway
Correction, p. 360
F. Bain


Book-Reviews
----------------, pp. 360-362
Geological Survey of Missouri. Vol. II. A Report on the Iron Ores of Missouri
Frank L. Mason
Vol. III. A Report on the Mineral Waters of Missouri
Paul Schweitzer
Review author[s]: Joseph F. James
----------------, p. 362
A Handy Book for Brewers. Being a Practical Guide to the Art of Brewing and Malting
Herbert Edwards Wright
Review author[s]: C. P.
----------------, pp. 362-363
An Outline of the Documentary History of the Zuñi Tribe
A. F. Bandelier
Somatological Observations on Indians of the Southwest
Herman F.C. ten Kate
In a Journal of American Ethnology and Archæology
J. Walu Fewkes
Review author[s]: F. W. Hodge
----------------, p. 363
Laboratory Calculation and Specific-Gravity Tables
John S. Adriance
Review author[s]: C. P.
----------------, p. 363
Chemical Theory for Beginners
Leonard Dobbin; James Walker
Review author[s]: C. P.


Back Matter (2 pp.)

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Previous Issue: Vol. 21, No. 543, Jun. 30, 1893
Next Issue: Vol. 22, No. 545, Jul. 14, 1893


Hydrazoic Acid: A New Form of Apparatus for Its Preparation; Its Physiological Action, pp. 1-2
Cyril G. Hopkins

On Protopterus Annectens, pp. 2-3
R. W. Shufeldt

Observations on a Cyclone Near Williamstown, Kansas, p. 3
E. H. S. Bailey

Notes on the Copepoda of Wisconsin, pp. 3-4
C. Dwight Marsh

The Hillock and Mound Formations of Southern California, p. 4
Daniel Cleveland

Current Notes on Anthropology.--XXXI, pp. 4-5
D. G. Brinton

Notes and News, p. 5
[Editorial Notes], p. 6
Notes on the Flora of Long Island, p. 6
Smith Ely Jelliffe

Consumption among the Colored People of the Southern States, pp. 6-7
G. W. Hubbard


Letters to the Editor
Variation and Evolution, pp. 7-8
W. A. Gain
Books for Children, p. 8
M. A. Willcox
Two Queries, pp. 8-9
Edson S. Bastin
The Aurora, p. 9
W. A. Ashe
Scientific Words in the Century Dictionary, pp. 9-10
John Gifford
A Peculiar Occurrence of Beeswax, p. 10
James Wickersham
Color Perception: A Correction, p. 10
J. Mark Baldwin
Birds that Sing in the Night, pp. 10-11
Lynds Jones
The Earth as a Conductor, p. 11
D. Flanery
On the Evolution of the Habit of Incubation, pp. 11-12
Clement Fezandie
Another Ancient Argillite Quarry Near Trenton, p. 12
H. C. Mercer
Do Nestlings Drink, p. 12
Francis Philip Nash


Book-Reviews
----------------, pp. 12-13
Logarithmic Tables
G. W. Jones
Review author[s]: G. A. H.
----------------, p. 13
Pioneers of Science
Oliver Lodge
Review author[s]: J. E. I.


Among the Publishers, p. 13
Back Matter (3 pp.)

Previous Issue: Vol. 21, No. 543, Jun. 30, 1893
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Previous Issue: Vol. 22, No. 544, Jul. 7, 1893
Next Issue: Vol. 22, No. 546, Jul. 21, 1893


Front Matter (1 p.)
The Wrens of Travis County, Texas, pp. 15-16
Charles D. Oldright

Metallic Carbides, p. 16
F. P. Venable

Philosophy in the College Curriculum, pp. 16-17
Holmes Dysinger

British Stone Circles. - III. Derbyshire Circles, p. 17
A. L. Lewis

Charaka Samhita, pp. 17-18
F. A. Hassler

A New Theory of Light Sensation, pp. 18-19
Christine Ladd Franklin

[Editorial Notes], p. 20
The Capabilities of Photography Not Unlimited for Illustrating All Classes of Objects, p. 20
O. G. Mason


Letters to the Editor
Worms on the Brain of a Bird, pp. 20-21
G. H. French
The International Botanical Congress at Madison, p. 21
H. J. Webber
A Plea for a Fair Valuation of Experimental Physiology in Biological Courses, pp. 21-22
J. Christian Bay
Mr. McGee and the Washington Symposium, pp. 22-23
Carl Barus
The Lac de Marbre Trout, A New Species, p. 23
S. Garman
Tucumcari, pp. 23-25
Robt. T. Hill
Chloropia, p. 25
E. W. Scripture
Trees as a Factor in Climate, p. 25
J. W. Slater
Mineral Wax, p. 25
C. D. Hiscox


Book-Reviews
----------------, pp. 25-26
The Seismological Journal of Japan
John Milne
----------------, pp. 26-27
Notions de Chimie Agricole
Th. Schloesing
Review author[s]: Charles Platt
----------------, p. 27
Outlines of Forestry, or the Elementary Principles Underlying the Science of Forestry
Edwin J. Houston
Review author[s]: Joseph F. James


Back Matter (2 pp.)

Previous Issue: Vol. 22, No. 544, Jul. 7, 1893
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Previous Issue: Vol. 22, No. 545, Jul. 14, 1893
Next Issue: Vol. 22, No. 547, Jul. 28, 1893


Front Matter (1 p.)
The South Dakota Artesian Basin, pp. 29-30
W. S. Hall

A Row of Hieroglyphs, Casa No. 2, Palenque, pp. 30-31
H. T. Cresson

The Osage River and Its Meanders, pp. 31-32
Arthur Winslow

The Boom of the Prairie Chicken, pp. 32-33
T. A. Bereman

A Silk-Spinning Cave Larva, p. 33
H. Garman

[Editorial Notes], p. 34
A New Orthography, pp. 34-35
Electrical Notes, pp. 35-36
R. A. F.

A New Instance of Stream Capture, pp. 36-37
Hunter L. Harris

Insectivorous Plants of South Florida, pp. 37-38
G. W. Webster

Quantity and Quality of Milk, pp. 38-39
W. W. Cooke


Letters to the Editor
An Unusual Aurora, p. 39
W. H. Howard
Light-Shunners and Light-Seekers, pp. 39-40
J. W. Slater
The Aurora, p. 40
M. A. Veeder
Natural Selection at Fault, p. 41
J. W. Slater
The Habitat and the Diet of the Lepidoptera, p. 41
J. W. Slater
Beaver Creek Meteorite, p. 41
Edwin E. Howell


Back Matter (2 pp.)

Previous Issue: Vol. 22, No. 545, Jul. 14, 1893
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Previous Issue: Vol. 22, No. 546, Jul. 21, 1893
Next Issue: Vol. 22, No. 548, Aug. 4, 1893


Front Matter (1 p.)
Systematized Graduate Instruction in Psychology, pp. 43-44
E. W. Scripture

Our Crippled Weather Service, p. 44
James P. Hall

Analogous Variations in Sphagnaceæ (Peatmosses), pp. 44-45
H. N. Dixon

The Close of the Ice Age in North America, pp. 45-46
R. W. Mcfarland

Current Notes on Chemistry.--I, pp. 46-47
Charles Platt

Notes and News, p. 47
[Editorial Notes], p. 48
Three Ships with Beriberi Outbreaks Shown to Have Had Extensive Formation of Carbonic Oxides during the Voyage - Analysis of Beriberi Blood - Conclusion That Beriberi Is Nothing But Carbonic Poisoning of the Blood, pp. 48-49
Albert S. Ashmead

The Structure and Affinity of the Puerco Ungulates, pp. 49-51
Charles Earle

Do the Leaves of Our Ordinary Land Plants Absorb Water?, pp. 51-52
Edward A. Burt

Individual Skeletal Variation, pp. 52-53
Frederic A. Lucas

Notes on Japanese Meteorology, p. 53
Albert S. Ashmead


Letters to the Editor
Bibliographic Work in Vegetable Physiology, p. 54
J. Christian Bay
A Plea for Botany in the Small Colleges, pp. 54-55
X.


Among the Publishers, p. 55
Back Matter (2 pp.)

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Next Issue: Vol. 22, No. 549, Aug. 11, 1893


Front Matter (1 p.)
The Florida Land Tortoise-Gopher, Gopherus polyphemus, pp. 57-58
Henry G. Hubbard

New Methods of Treating the Sick, pp. 58-59
William C. Krauss

Notes on Arsenic, p. 59
Jas. Lewis Howe

A New Idea in Microscope Construction, pp. 59-60
C. W. Woodworth

Summer Work in Marine Zoölogy at Newport, p. 60
W. E. Castle

Bacteriology in the Dairy, pp. 60-61
C. C. Georgeson

Indian Paintings in Southern California, p. 61
David P. Barrows

Notes and News, p. 61
[Editorial Notes], p. 62
Notes on the Occurrence and Distribution of Uredineæ, pp. 62-63
M. A. Carleton

In Memoriam.--The Rev. W. C. Lukis, M.A., F.S.A., p. 63
W. Gregson

Observations on Ducklings, pp. 63-64
C. Lloyd Morgan

Bacteria in Hen's Eggs, pp. 64-65
Melvin A. Brannon

A Malay Fire-Syringe, p. 65
F. W. Rudler

L'origine Des Aryens, pp. 65-66
G. De Lapouge

The Scientific Alliance of New York, p. 66
Joseph F. James

A Note on the Application of Scientific Method to Literature, p. 67
C. Michener


Letters to the Editor
A Case of Protective Mimicry, p. 67
Geo. H. Colton
A Maya Month Name, pp. 67-68
Cyrus Thomas
Historical Statements in Century Dictionary Contradicted by Other Authorities, p. 68
Geo. A. Miller
The Cambojan Khmers, pp. 68-69
A. H. Keane
Sound and Color, p. 69
F. T. Mott


Book-Reviews
----------------, p. 69
A Biographical Index of British and Irish Botanists
James Britten; G. S. Boulger
Review author[s]: Joseph F. James


Among the Publishers, p. 69
Back Matter (2 pp.)

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Next Issue: Vol. 22, No. 550, Aug. 18, 1893


Front Matter (1 p.)
Botany at the Fair, p. 71
H. L. Bolley

Biological Survey of Indiana, p. 72
[Editorial Notes], p. 73
Progress in Sanitary Science in Massachusetts, pp. 73-74
George W. Fuller

Asepsis--Prevention Better than Cure, pp. 74-75
Albert S. Ashmead

The "Gopher Frog", p. 75
Frederick Cleveland Test

Altitude as the Cause of the Glacial Period, pp. 75-76
Warren Upham

Notes on the Distribution of Some of the Conifers of North-Western Canada, pp. 76-77
J. B. Tyrrell

The Affinities of Basque and Berger, p. 77
Canon Isaac Taylor


Letters to the Editor
The So-Called Sand of Great Salt Lake, p. 77
Henry Montgomery
Nature's Rotation of Crops, pp. 77-78
M. W. V.
Worms on the Brain of a Bird, p. 78
Samuel H. Scudder
A Space-Relation of Numbers, p. 78
D. S. Martin
Preliminary Note on the Cottony Scale of the Osage Orange, pp. 78-79
T. D. A. Cockerell
Explosive Gas in Hot Water Apparatus, p. 79
A. H. MacKay
Mineral Wax, pp. 79-80
Henry Montgomery
Animal Vocabularies, p. 80
Charles B. Palmer
A Maya Month-Name--Khmers, p. 80
D. G. Brinton
Theory of Color Sensation, pp. 80-81
C. L. Franklin


Current Notes on Anthropology.--No. XXXII, pp. 81-82
D. G. Brinton; P. H. Rolfs


Book-Reviews
----------------, pp. 82-83
Le Lait
P. Langlois
La Biere
L. Lindet
Review author[s]: C. P


Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 549, Aug. 11, 1893
Next Issue: Vol. 22, No. 551, Aug. 25, 1893


Front Matter (1 p.)
Botany in Jamaica, p. 85
James Ellis Humphreys

Introduction of Weeds in Grass Seed, pp. 85-86
Thomas A. Williams

Periodical Cicada, p. 86
C. V. Riley

Notes and News, p. 86
[Editorial Notes], p. 87
The Atmosphere of Stellar Space, pp. 87-88
G. D. Liveing

Fish Acclimatization on the Pacific Coast, pp. 88-89
Hugh M. Smith

Technical Education, p. 90
Alexander Meek

Palenque Hieroglyphics, pp. 90-91
PH. J. J. Valentini

Humboldt and Brazil, p. 91
Remarks on the Terns of Little Green Island, Maine, pp. 91-93
Arthur H. Norton

An Analcite Copper Bowlder from the Keweenaw Range, Michigan, p. 93
E. O. Hovey

Loew's Natural System of the Actions of Poisons, pp. 93-94
J. Christian Bay

Some ohio Mounds, p. 94
Harold Heath

An Eye Protector to be Used with the Monocular Microscope, pp. 94-95
L. Brewer Hall


Letters to the Editor
Birds That Sing by Moonlight, p. 95
John B. Lewis
The Cambojan Khmers, pp. 95-96
C. Staniland Wake
Oregon Wax, p. 96
Charles Platt
Bacteria in Hens' Eggs, pp. 96-97
Charles T. McClintock
Correlation of Tejon Deposits with Eocene Stages of the Gulf Slope, p. 97
Gilbert D. Harris
An Addition to the Myology of the Cat, p. 97
Joseph W. Thompson


Back Matter (2 pp.)

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Next Issue: Vol. 22, No. 552, Sep. 1, 1893


Front Matter (1 p.)
An Exhibit of Religions, pp. 99-100
Notes and News, p. 100
[Editorial Notes], p. 101
A Geological Sketch, with Notes on the Geology of the Manitou Islands of Lake Nipissing, Ontario, pp. 101-104
J. M. Goodwillie

The American Association for the Advancement of Science, pp. 104-105
The Cornell Mixture, pp. 105-106
M. V. Slingerland

Chemistry in Cane Sugar Manufacture, p. 106
J. T. Crawley

Notes on Marine and Fresh Water Larvae of Midges, pp. 107-108
Geo. Swainson


Letters to the Editor
A Space-Relation of Numbers, pp. 108-109
Lynds Jones
English Orthography, p. 109
Frederick Krafft
An Important Omission at the World's Fair, pp. 109-110
Lucia True Ames
The Uses of the Litter by Sparrows, p. 110
E. Stanley Sprague
Space Relation of Numbers, pp. 110-111
Arthur E. Bostwick
Round Worms in the Brains of Birds, p. 111
A. S. Packard
Sharks in Fresh Water, p. 111
C. H. Ames


Back Matter (2 pp.)

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Next Issue: Vol. 22, No. 553, Sep. 8, 1893


Front Matter (1 p.)
Indian Relics in South Jersey, pp. 113-114
John Gifford

Notes on Some Minnesota Mounds, p. 114
Albert Schneider

[Editorial Notes], p. 115
Current Notes on Chemistry.--II, pp. 115-116
Charles Platt

The World's Congress Auxiliary of the Columbian Exposition, pp. 116-117
Geo. H. Johnson

A New Factor in Fruit Growing, p. 117
B. T. Galloway

Railroad Signaling, pp. 118-119
Reginald Gordon

Altitude in Spite of Humidity as a Cure of Beri-Beri, pp. 119-121
Albert S. Ashmead

The Origin of Gold, p. 121
Philip Lake

On the Extremes of Heat and Cold under Which the Life of Species Is Possible, pp. 121-122
Henry De Varigny


Book-Reviews
Abnormal Man: Being Essays on Education and Crime and Related Subjects, pp. 122-123
Review author[s]: Arthur MacDonald


Letters to the Editor
Animal Vocabularies, p. 123
W. A. Kellerman
The Circulation in Fresh-Water Mussels, p. 123
Goodwin D. Swezey
Protective Mimicry of a Moth, pp. 123-124
E. S. Tucker
Explosive Gas in Locomotive Engines, p. 124
M. W. V.
Coyote or Bear?, pp. 124-125
Agnes Crane


Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 552, Sep. 1, 1893
Next Issue: Vol. 22, No. 554, Sep. 15, 1893


Front Matter (1 p.)
The Marine Biological Laboratory, pp. 127-128
Dallas L. Sharp

[Editorial Notes], p. 129
How Chemistry Is Best Taught, pp. 129-132
Charles F. Mabery

Notes on the Wood or Fallow Ant of Southeastern Massachusetts, pp. 132-133
J. B. Woodworth

Problems of Zoology, pp. 133-134


Letters to the Editor
Red Birds and a Grosbeak, p. 134
J. McNair Wright
Space Relation of Numbers, pp. 134-135
Talcott Williams
Columbian Congresses on Science and Philosophy, p. 135
X.
Palenque Hieroglyphics, p. 135
Cyrus Thomas
Color Vision, p. 135
Christine Ladd Franklin
Myology of the Cat; or the M. Flexor Accessorius of the Human and Feline Foot, pp. 135-136
Howard Ayres
Damage to Cotton by Lightning, p. 136
Frank E. Emery
On Some Nesting Habits of the American Goldfinch, pp. 136-137
Paul Van Riper
Physical Chemistry at the Columbian Congress, p. 137
Robert B. Warder
Great Horned Owls in Confinement, pp. 137-138
Willard E. Treat


Book-Reviews
----------------, p. 138
An Introduction to the Study of the Dependent, Defective and Delinquent Classes
Charles Richmond Henderson
----------------, pp. 138-139
Alternating Currents of Electricity
Gisbert Kapp
Review author[s]: R. A. F.


Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 553, Sep. 8, 1893
Next Issue: Vol. 22, No. 555, Sep. 22, 1893


Front Matter (1 p.)
"Carborundum"; A Silicide of Carbon, p. 141
William R. Blake

Latter-Day Taxidermy, pp. 141-142
Vernon L. Kellogg

Notes and News, p. 142
[Editorial Notes], p. 143
Corn Cane, pp. 143-145
F. L. Stewart

The Astronomical Exhibits at the World's Fair, p. 145
Science Teaching in Secondary and Primary Schools, pp. 145-146
Geo. G. Groff

Electrical Cooking, pp. 146-148
R. A. F.

Mouse Trapping, p. 148
Frank Bolles

Submarine Photography, pp. 148-149
John Humphrey

The Scientific Basis of Composition, pp. 149-150
Charles H. J. Douglas

The International Congress of Anthropology, pp. 150-151


Letters to the Editor
Insect Swarms, p. 151
C. D. McLouth
Prosopophora; A Genus of Scale-Insects New to the North American Fauna, pp. 151-152
T. D. A. Cockerell
A Small Tragedy, p. 152
W. A. Kellerman
The Cackle of Hens, p. 152
W. A. K.
Throwing Sticks, pp. 152-153
O. T. Mason
Water Analyses, p. 153
William P. Mason


Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 554, Sep. 15, 1893
Next Issue: Vol. 22, No. 556, Sep. 29, 1893


Front Matter (1 p.)
The August Storms, p. 155
Walter C. Kerr

Petrographs at Lake Pend D'oreille, Idaho, p. 156
John B. Leiberg

[Editorial Notes], p. 157
Corn Cane, pp. 157-159
F. L. Stewart

Nature and Distribution of New York Indian Relics, pp. 159-161
W. M. Beauchamp

Sarcology: A New Medical Science, pp. 161-162
Wallace Wood

History of Science in America, pp. 162-164
John Reade

British Stone Circles--IV. Somersetshire and Dorsetshire Circles, p. 164
A. L. Lewis

Scientific Research Work in America, p. 165


Letters to the Editor
Temperature in Storms and High Areas, p. 165
H. A. Hazen
Sharks in Fresh Water, p. 165
Theo Gill
Sharks in Lake Nicaragua, pp. 166-167
Hugh M. Smith


Among the Publishers, p. 167
Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 555, Sep. 22, 1893
Next Issue: Vol. 22, No. 557, Oct. 6, 1893


Front Matter (1 p.)
The Mutual Relations of Science and Stock Breeding, pp. 169-170
Wm. H. Brewer

Note on the Buried Drainage System of the Upper Ohio, p. 170
Richard R. Hice

[Editorial Notes], p. 171
Corn Cane, pp. 171-173
F. L. Stewart

The Meteorological Congress, p. 174
Salt Tide Marshes of South Jersey, pp. 174-175
John Gifford

Methods of Presenting Geology in Our Schools and Colleges, pp. 175-179
Mary E. Holmes


Letters to the Editor
An Instructive Illusion, p. 179
J. Edmund Clark
Why Not the Collections of Seeds?, pp. 179-180
George P. Merrill
Science in the Schools, p. 180
Henry Edgerton Chapin
The Ikonomatic Method, pp. 180-181
D. G. Brinton
A Curious Ear of Indian Corn, p. 181
O. H. Hershey
A Mouse Destroying Its Young, p. 181
M. L. Holbrook
Genealogical Table of Plants, p. 181
Thomas Marwick
Number-Forms, p. 181
J. McKeen Cattell


Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 556, Sep. 29, 1893
Next Issue: Vol. 22, No. 558, Oct. 13, 1893


Front Matter (1 p.)
Current Notes on Chemistry.--III, pp. 183-184
Charles Platt

Notes and News, p. 184
[Editorial Notes], p. 185
Collection of Mexican Maguey Paintings, p. 185
V.

Ring Pheasant, p. 186
A. G. Prill

The Bendigo Goldfield, pp. 186-187
T. S. Hall

The Marine Tertiaries of Australia, p. 187
T. S. Hall

The Scientific Man on the Farm, pp. 187-188
Charles B. Cook

The Eccentricities of a Pair of Robins, pp. 188-189
Olive Thorne Miller

Biological Notes from New Zealand.--II, pp. 189-190
Geo. M. Thomson

The American Folk-Lore Society, pp. 190-191
R. V.

Some Remarks on the Kinetic Theory of Gases, pp. 191-192
S. Tolver Preston

Discovery of Another Ancient Argillite Quarry in the Delaware Valley, pp. 192-193
H. C. Mercer


Book-Reviews
----------------, pp. 193-194
Iowa Geological Survey, Volume I
Samuel Calvin


Letters to the Editor
A Recapture from a River Pirate, p. 195
Collier Cobb
The Tin Ores of New South Wales and South Dakota, p. 195
Wm. P. Blake


Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 557, Oct. 6, 1893
Next Issue: Vol. 22, No. 559, Oct. 20, 1893


Front Matter (1 p.)
The Air of Large Towns, pp. 197-198
G. H. Bailey

The Utica Shale in Stephenson County, Illinois, p. 198
Oscar H. Hershey

[Editorial Notes], p. 199
On the Systematic Position of the Diptera, pp. 199-200
Alpheus S. Packard


Book-Reviews
----------------, p. 200
British Locomotives, Their History, Construction and Modern Development
C. J. Cooke
----------------, p. 200
Negative Beneficence and Positive Beneficence: Being Parts V and VI of the Principles of Ethics
Herbert Spencer
----------------, p. 201
The Religion of Science
Paul Carus
----------------, p. 201
Heat
Mark R. Wright
----------------, p. 201
Outlines of Pedagogics
Professor W. Rein; C. C.; Ida J. Van Liew
----------------, pp. 201-202
Birds of Michigan
A. J. Cook
Review author[s]: J. F. J.


Liquid and Solid Air, pp. 202-203
John S. Mckay

Fungi Parasitic Indicate Kinship, p. 203
Byron D. Halsted

Current Notes on Anthropology.--XXXIII, pp. 204-205
D. G. Brinton

Notes of Some Experiments on the House-Fly, pp. 205-206
John B. Smith


Letters to the Editor
Herbarium Specimens, p. 206
Richard H. Rich
Minnesota Mounds, p. 206
Francis B. Sumner
Origin of Gold, pp. 206-207
L. H. Linnell Cooke
A Phonetic Orthography, pp. 207-208
B. B. Smyth
Feigned Death in Snakes, pp. 208-209
J. W. Kilpatrick
Electrical Cooking, p. 209
W. C. S.


Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 558, Oct. 13, 1893
Next Issue: Vol. 22, No. 560, Oct. 27, 1893


Front Matter (1 p.)
Indian Relics, p. 211
C. M. Pleyte

Science Teaching in Secondary Schools, pp. 211-212
Geo. G. Groff

Birds of Rare Occurrence in Northern Colorado, p. 212
Wm. Osburn

[Editorial Notes], p. 213
Can We See the Picture in the Landscape?, p. 213
Waldo Dennis

Coral Formations, pp. 214-215
G. H. Perkins

The Protection of Our Wild Plants and Animals, p. 215
John Gifford

Silk Spinning Fly Larvæ, pp. 215-217
H. Garman

Scars on Apple Tree Trunks, p. 217
Frank Bolles

A Mistake in Teaching Botany, pp. 217-218
B. Fink

Fungi versus Insects, pp. 218-219
Gerald Mccarthyr


Letters to the Editor
Inductive Psychology, p. 219
E. A. Kirkpatrick
The Sounds of R, p. 219
Laura Soames
The Absence of Air from the Moon, p. 219
S. Tolver Preston
Fossils of the Bridgeport Quarries, pp. 219-220
Paul Van Riper
Coon Cats, p. 220
J. N. Baskett
Damage to Cotton by Lightning, p. 220
A. F. McKissick
Rhytina Gigas Linn. at Princeton, p. 220
John Eyerman
Sugar from Corn Stalks, p. 220
A. Stevenson
"Curious Ears of Indian Corn", p. 220
A. Stevenson
Evolution of Science Teaching in Primary Schools, pp. 220-221
C. D. McLouth
Birds that Sing in the Night, pp. 221-222
J. M. Edson
New Fire from the Lightning Stroke, p. 222
Walter Hough


Notes and News, p. 222


Book-Reviews
----------------, pp. 222-223
The Science of Mechanics
Ernst Mach; T. J. McCormack
----------------, p. 223
The Locomotive Catechism
Robert Grimshaw
----------------, p. 223
Outlines of Surveying and Navigation, for Public Schools and Private Study
James Pitcher


Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 559, Oct. 20, 1893
Next Issue: Vol. 22, No. 561, Nov. 3, 1893


Front Matter (1 p.)
The Visitors to One Oak Tree, pp. 225-226
Morris Gibbs

The Use of Tuberculin and Mallein for the Diagnosis of Tuberculosis and Glanders in Animals, p. 226
Bios

Notes and News, p. 226
[Editorial Notes], p. 227
Mental Images, pp. 227-230
E. A. Kirkpatrick

Inmunity and Cure in the Infectious Diseases, pp. 231-233
Victor U. Vaughan

Consciousness under the Influence of Cannabis Indica, pp. 233-234
E. W. Scripture


Letters to the Editor
Science in the Schools.--A Reply, pp. 234-235
W. H. Sherzer


Book-Reviews
----------------, pp. 235-237
Text-Book of Geology
Archibald Giekie
Review author[s]: J. B. W.


Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 560, Oct. 27, 1893
Next Issue: Vol. 22, No. 562, Nov. 10, 1893


Front Matter (1 p.)
Costa Rica at the Exposition, p. 239
Notes and News, p. 240
[Editorial Notes], p. 241
Engineering Laboratories, pp. 241-242
R. C. Carpenter

Animal Biology in High Schools and Colleges, p. 242
W. Xavier Sudduth

The Silver Question and Bimetalism, p. 243
J. James Cousins

Faith in the Integrity of the Interstellar Medium, pp. 243-244
De Volson Wood

City Birds of Denver, Colorado, p. 244
Horace G. Smith

Overhead Sounds in the Vicinity of Yel Lowstone Lake, pp. 244-246
Edwin Linton

The Place of Museums in Education, pp. 246-248
Thomas Greenwood


Letters to the Editor
Feigned Death in Snakes, p. 248
Dallas L. Sharp
The Destruction of Wild Plants, p. 248
G. G. Groff
Minnesota Mounds, pp. 248-249
Albert Schneider
Slate Black-Boards, p. 249
Geo. G. Groff
A Grooved Axe in a Strange Place, p. 249
Harvey B. Bashore
The Systematic Position of the Diptera, p. 249
John B. Smith


Book-Reviews
----------------, p. 249
A Guide to Stereochemistry, Based on Lectures Delivered at Cornell University, with An Index to the Literature
Arnold Eiloart
Review author[s]: C. P.
----------------, p. 250
Primer of Philosophy
Paul Carus
----------------, pp. 250-251
Essays on Rural Hygiene
George Vivian Poore
Review author[s]: C. P.
----------------, p. 251
A Laboratory Manual, Containing Directions for a Course of Experiments in Organic Chemistry
W. R. Orndorff
Review author[s]: C. P.


Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 561, Nov. 3, 1893
Next Issue: Vol. 22, No. 563, Nov. 17, 1893


Front Matter (1 p.)
The Washington Anthropologists Ask for a Definition--The Chief Justice and the Vice President Will Determine Its Quality, pp. 253-254
Notes and News, p. 254
[Editorial Notes], p. 255
Some Recent Economic and Scientific Questions in Ornithology, pp. 255-256
R. W. Shufeldt

A New Thermoelectric Phenomenon, p. 256
W. Huey Steele

Current Notes on Anthropology.--No. XXXIV, pp. 256-257
D. G. Brinton

Improvements in the Storage of Electricity, pp. 258-260
F. H. Bowman


Letters to the Editor
The Systematic Position of Diptera, p. 260
C. F. Riley


Book-Reviews
----------------, pp. 260-261
Vagaries of Sanitary Science
F. L. Dibble
Review author[s]: C. P.
----------------, p. 261
Handbook of Greek and Latin Palaeography
Edward Maunde Thompson
----------------, pp. 261-262
An Elementary Text-Book of Biology
J. R. Ainsworth Davis
----------------, p. 262
An Examination of Weismannism
George J. Romanes
----------------, pp. 262-263
The Life of a Butterfly
Samuel H. Scudder
Brief Guide to the Common Butterflies of Northern United States and Canada
Samuel H. Scudder
----------------, p. 263
Cholera: Its Causes, Symptoms, Pathology and Treatment
Robert S. Bartholow
----------------, p. 263
Analytical Keys to the Genera and Species of the Water Algœ and the Desmidicœ of the United States
Alfred C. Stokes
Review author[s]: J. F. J.
----------------, pp. 263-264
Human Embryology
Charles Sedgwick Minot


Notes and News, pp. 264-265
Back Matter (2 pp.)

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Previous Issue: Vol. 22, No. 562, Nov. 10, 1893
Next Issue: Vol. 22, No. 564, Nov. 24, 1893


Front Matter (1 p.)


Letters to the Editor
Postage on Natural History Specimens, p. 267
Isaac J. Wistar; Edw. J. Nolan
The Picture in the Landscape, pp. 267-268
L. H. Bailey
The Original Type of Corn, p. 268
Thomas F. Hunt


[Editorial Notes], p. 269
Recent Discoveries in Northeastern Nicaragua: Granite Hills, Moutonnéd Ridges and Gold-Containing Lodes or Reefs, and Leads or Placer Mines, pp. 269-272
J. Crawford

A New Reflecting and Direct Acting Polariscope for the Arc Light Projector, p. 272
Oscar Knipe

The Sense-Organs on the Legs of Our White Ants, Termes Flavipes, Koll, pp. 273-276
Alfred C. Stokes


Letters to the Editor
The Osage River and the Ozark Uplift, pp. 276-279
W. M. Davis
Coon Cats, p. 279
L. O. Howard
Pump Water, p. 279
Wm. P. Mason
Coon-Cats, p. 279
Morris Gibbs


Back Matter (2 pp.)

Previous Issue: Vol. 22, No. 562, Nov. 10, 1893
Next Issue: Vol. 22, No. 564, Nov. 24, 1893



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Science, Vol. 22, No. 564, Nov. 24, 1893


Previous Issue: Vol. 22, No. 563, Nov. 17, 1893
Next Issue: Vol. 22, No. 565, Dec. 1, 1893


Front Matter (1 p.)
Current Notes on Anthropology.--No. XXXV, pp. 281-282
D. G. Brinton

Birds Which Sing on the Nest, p. 282
Morris Gibbs

[Editorial Notes], p. 283
Current Notes on Chemistry.--IV, pp. 283-285
Charles Platt

Reticulation of Spindle-Celled Sarcoma, pp. 285-286
A. Cowley Mally

The Bacteriological Analysis of Water, pp. 286-287
J. H. Stoiler

British Stone Circles--V. Oxfordshire, Shropshire, and Welch Circles, p. 287
A. L. Lewis

Pele's Fernery, pp. 288-289
Charles Fessenden Nichols

My New Principles of the Classification of the Human Race, p. 290
G. Sergi


Letters to the Editor
The Mechanics of Flight, pp. 290-291
H. A. Hazen
Portraits of Helmholtz, p. 291
T. C. Mendenhall
Songs of Birds, p. 291
B. S. Bowdish
Dictionary of Scientific Names, p. 291
B. S. Bowdish
Origin of the Carvings and Designs of the Alaskans and Vancouvre Indians, pp. 291-292
P. J. Farnsworth
On the Systematic Position of the Diptera, p. 292
S. W. Williston


Book-Reviews
----------------, pp. 292-293
Lecons de Chimie, a'l'usage des Eleves de Mathematiques Speciales
Henri Gautier; Georges Charpy
Review author[s]: Charles Platt


Notes and News, p. 293
Back Matter (2 pp.)

Previous Issue: Vol. 22, No. 563, Nov. 17, 1893
Next Issue: Vol. 22, No. 565, Dec. 1, 1893



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Science, Vol. 22, No. 565, Dec. 1, 1893


Previous Issue: Vol. 22, No. 564, Nov. 24, 1893
Next Issue: Vol. 22, No. 566, Dec. 8, 1893


Front Matter (1 p.)
Review of the Birth of the Great Lakes and Their Deserted Shores, pp. 295-296
[Editorial Notes], p. 297
Texas Clays and Their Origin, pp. 297-300
W. Kennedy

Karyokinesis in Embryos of the Domestic Cat.--Preliminary Notice, pp. 300-301
Frank S. Aby

The Pterylography of the Pileated Woodpecker (Ceophloeus Pileatus), pp. 302-303
Hubert Lyman Clark

Secret Language of Children, pp. 303-305
Oscar Chrisman

Parasitism of Molothrus Ater, pp. 305-306
Chas. W. Hargitt


Letters to the Editor
An Intelligent Squirrel, pp. 306-307
Ray Greene Huling
St. Louis Limestone in Poweshiek County, Iowa, p. 307
Arthur J. Jones


Back Matter (2 pp.)

Previous Issue: Vol. 22, No. 564, Nov. 24, 1893
Next Issue: Vol. 22, No. 566, Dec. 8, 1893



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Science, Vol. 22, No. 566, Dec. 8, 1893


Previous Issue: Vol. 22, No. 565, Dec. 1, 1893
Next Issue: Vol. 22, No. 567, Dec. 15, 1893


Front Matter (1 p.)
Some Geological Features of Jackson Park, Chicago, pp. 309-310
D. E. Willard

Notes and News, p. 310
[Editorial Notes], p. 311
The Atmospheres of the Moon, Planets and Sun, pp. 311-313
G. H. Bryan

On the Life Zones of the Organ Mountains and Adjacent Region in Southern New Mexico, with Notes on the Fauna of the Range, pp. 313-315
C. H. Tyler Townsend

Pottery on Puget Sound, pp. 315-316
James Wickersham

Disposal of Waste at the World's Columbian Exposition, pp. 316-317
W. F. Morse

Bird Notes, p. 317
Morris Gibbs


Letters to the Editor
A Mistake in Teaching Botany, pp. 317-318
E. W. Claypole
Coral Reef Formation, p. 318
Joseph Le Conte


Book-Reviews
----------------, pp. 318-319
Tables for the Determination of the Rock-Forming Minerals
F. Loewinson-Lessing; J. W. Gregory
----------------, p. 319
The Mummy; Chapters on Egyptian Funereal Archœology
E. A. Wallis Budge
----------------, pp. 319-320
The Outdoor World
W. Furneaux
Our Household Insects
Edward A. Butler
The Industries of Animals
Frederic Houssa
A History of Crustacea
Rev. Thoma R. R. Stebbing; R. R. Stebeing
----------------, pp. 320-321
Elementary Palaeontology for Geological Students
Henry Woods


Back Matter (2 pp.)

Previous Issue: Vol. 22, No. 565, Dec. 1, 1893
Next Issue: Vol. 22, No. 567, Dec. 15, 1893



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Science, Vol. 22, No. 567, Dec. 15, 1893


Previous Issue: Vol. 22, No. 566, Dec. 8, 1893
Next Issue: Vol. 22, No. 568, Dec. 22, 1893


Front Matter (1 p.)
Dropsical Diseases of Plants, pp. 323-324
Geo. F. Atkinson

The Speech of Animals, p. 324
Howard N. Lyon

[Editorial Notes], p. 325
Interpretation of Maya Hieroglyphs by Their Phonetic Elements.--I, pp. 325-328
Hilborne T. Cresson

Double Surfaces, pp. 328-329
Henry I. Coar

Botanical Notes from Western Pennsylvania, pp. 329-330
Hubert Lyman Clark


Letters to the Editor
Feigned Death in Snakes, p. 330
J. N. Baskett
A Peculiar Flora in Chicago, p. 330
Hubert Lyman Clark
Eskimo Traces in New York, pp. 330-331
W. M. Beauchamp
A Miniature Water Lily, p. 331
J. E. Todd
Feigned Death in Snakes, p. 331
J. W. Kilpatrick
Dr. Topinard and the Serpent Mound, p. 331
Warren K. Moorehead
The Hardness of Carborundum, p. 331
Wm. P. Blake
Late-Blooming Trees, p. 331
Walter Mendelson
Telluride of Gold, Cripple Creek, Colorado, pp. 331-332
Wm. P. Blake


Book-Reviews
----------------, p. 332
A Pocket Key to the Birds of the Northern United States
A. C. Apgar
----------------, p. 332
The Soil in Relation to Health
H. A. Miers; R. Croskey
----------------, p. 332
The Inadequacy of "Natural Selection"
Herbert Spencer
----------------, p. 332
The Native Calendar of Mexico and Central America: A Study in Linguistics and Symbolism
Daniel G. Brinton
----------------, p. 332
A Theory of Development and Heredity
Henry B. Orr
----------------, pp. 332-333
Method and Results
Thomas H. Huxley
----------------, p. 333
Catalogue of Section One of the Museum of the Geological Survey, Embracing the Systematic Collection of Minerals and the Collections of Economic Minerals and Rocks and Specimens Illustrative of Structural Geology
G. Christian Hoffman
----------------, p. 333
Examen Sommaire des Boissons Falsifiées
Alex. Hébart
----------------, pp. 333-334
A Laboratory Guide for a Twenty Weeks' Course in General Chemistry
Georg Willard B


Notes and News, pp. 334-335
Back Matter (2 pp.)

Previous Issue: Vol. 22, No. 566, Dec. 8, 1893
Next Issue: Vol. 22, No. 568, Dec. 22, 1893



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Science, Vol. 22, No. 568, Dec. 22, 1893


Previous Issue: Vol. 22, No. 567, Dec. 15, 1893
Next Issue: Vol. 22, No. 569, Dec. 29, 1893


Front Matter (1 p.)
Current Notes on Anthropology--No.XXXVI, pp. 337-338
D. G. Brinton

Fall Meeting of the Alabama Industrial and Scientific Society, p. 338
Alabama Geological Survey, p. 338
[Editorial Notes], p. 339
The Centimetre Gramme Second and the Centimetre Dyne Second Systems of Units and a New Gravitational Experiment, pp. 339-341
Reginald A. Fessenden

The "Glacial Period" Proved as a Necessary Consequence of the Earth's Movements, pp. 341-345
J. C. Cowell

A Segregation of Fresh-Water Fishes, p. 345
Theodore Gill

Biological Investigation in Botany, pp. 345-346
J. Christian Bay


Letters to the Editor
The Imaginary Race of Canstadt or Neanderthal, p. 346
Julien Fraipont
Molothrus Ater and His Hostesses, p. 347
Neil F. Posson
Protection of Birds from the Boys, pp. 347-348
C. D. McLouth
Bird Notes, p. 348
Willard N. Clute
Postage on Natural History Specimens, pp. 348-349
W. Hague Harrington
A Dictionary of Scientific Terms, p. 349
Walter C. Kerr


Notes and News, p. 349
Back Matter (2 pp.)

Previous Issue: Vol. 22, No. 567, Dec. 15, 1893
Next Issue: Vol. 22, No. 569, Dec. 29, 1893



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Science, Vol. 22, No. 569, Dec. 29, 1893


Previous Issue: Vol. 22, No. 568, Dec. 22, 1893
Next Issue: Vol. 23, No. 570, Jan. 5, 1894


Front Matter (1 p.)
Frost Plants: A Resume, pp. 351-352
D. T. Macdougal

Quantitative Comparisons: A Common Error of Language, p. 352
George H. Johnson

[Editorial Notes], p. 353
Variation in Spores of Corn Smut, p. 353
A. S. Hitchcock

On the Measurement of Hallucinations, p. 353
E. W. Scripture; C. E. Seashore

On Root Hairs, pp. 354-356
Th. Jamieson

Laboratory Work by the Student of Chemistry Should Be Subordinate and Auxiliary to the Development of Facts, Principles and Theories by the Teacher, pp. 357-358
R. W. Jones

Origin of the Hydrocarbons, pp. 358-359
Marcus E. Jones

Birds Seldom Seen in South Carolina, pp. 359-360
J. C. Hartzell, Jr.

A New Mite Infecting Mushrooms, p. 360
Herbert Osborn

The Arctic Current in the Estuary of the St. Lawrence, pp. 360-361
Andrew T. Drummond


Letters to the Editor
A Rope of Maggots, p. 361
Lynds Jones
Singular Behavior of an Owl, p. 361
E. J. Hill
On Carib Migrations, p. 361
D. G. Brinton
Pocket Key of the Birds of the Northern United States, pp. 361-362
Austin C. Apgar


Book-Reviews
----------------, p. 362
The Science of Education, Its General Principles Deduced from Its Aim, and the Aesthetic Revelation of the World
Johann Friedrich Hebart; Henry M.; Emmie Felkin; Oscar Browning
----------------, pp. 362-363
Industrié des Cuirs et des Peaux, Analyse des Matières Premières, des Agents Auxiliaries et des Products
Ferdinanp Jean
Fabrication des Vernis, Application à l'Industrié et aux Arts
Laurent Naudin
Decoration Céramique au Feu de Moufle
M. E. Guenez


Notes and News, p. 363
Back Matter (2 pp.)

Previous Issue: Vol. 22, No. 568, Dec. 22, 1893
Next Issue: Vol. 23, No. 570, Jan. 5, 1894



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