Imágenes de páginas
PDF
EPUB

CONTENTS.

LEADING ARTICLES.

................

89

9
17

On Heredity and Rejuvenation. C. S. MINOT......... ............. I,

Lost Characteristics. A. HYATT......

Variation After Birth. L. H. BAILEY..

A Comparative Study of the Point of Acute Vision in the Vertebrata

(Illustrated). J. R. SLONARER

The Formulation of the Natural Sciences. E. D. Cope .................

Some Localities for Laramie Mammals and Horned Dinosaurs (Illus-

trated). J. B. HATCHER

The History and Principles of Geology, and Its Aim. J. C. HARTZELL,

JR..........

........ ........ 177, 271,

The Constancy of Bacterial Species in Normal Fore Milk. H. L. BOL-

LEY ...

Life Before Fossils. CHARLES MORRIS.......

Birds of New Guinea (Continued from p. 1065, Vol. XXIX). G. S.

MEAD

..195,

The Bearing of the Origin and Differentiation of the Sex Cells in

Cymatogaster on the Idea of the Continuity of the Germ Plasm.

CARI H. EIGENMANN

The Probable Influence of Disturbed Nutrition on the Evolution of

the Vegetative Phase of the Sporophyte. G. F. ATKINSON
Progress in American Ornithology, 1886-1895. R. W. SHUFELDT.........
The Path of the Water Current in Cucumber Plants. E. F. SMITH.

372, 451,

On the Mississippi Valley Unionidæ Found in the St. Lawrence and

Atlantic Drainage Areas. C. T. SIMPSON

A New Factor in Evolution. J. MARK BALDWIN ..............441,

Extensive Migration of Birds as a Check Upon the Production of Geo-

graphical Varieties. T. H. MONTGOMERY......

The Plant Geography of Germany. Roscoe POUND.......

The Classification of Diatoms. C. J. ELMORE

The Oldest Civilized Man (Illustrated). E. D. COPE....

The Role of Acid in the Digestion of Certain Rhizopods. J. C. HEM-

METER.....

The Bacterial Diseases of Plants : A Critical Review of the Present

State of Our Knowledge. E. F. SMITH ...............626, 716, 796,

The Meaning and Structure of the So-called “Mushroom Bodies" of

379

536

465

520
616

the Hexapod Brain. F. C. KENYON......
Prof. Baldwin's "New Factor in Evolution.” HERBERT NICHOLS.....

643
697

781
784

976

963

Fresh Relics of Glacial Man Reported at the Buffalo Meeting of the

A. A. S. G. F. WRIGHT....
Relative Efficiency of Animals as Machines. M. MILES..........
Piney Branch (D. C.) Quarry Workshop and its Implement (Illus-
trated). THOMAS WILSON....

...873,

The Geographical Distribution of Batrachia and Reptilia in North

America. E. D. COPE..........

....886,

Fossils and Fossilization. L. P. GRATACAP

..902,

The Biologic Origin of Mental Variety, or How We Came to Have

Minds. HERBERT NICHOLS.....
EDITOR'S TABLE. --The Antivivisectionists Again, 32 ; Vivisection of

Idiots, 33 ; The American Association at San Francisco, 34; A
National University, 200 ; The X Rays (Illustrated), 201; Graft-
ing Snakes, 201 ; The Destruction of Mosquitos, 201; Antarctic
Exploration, 202 ; The Huxley Memorial, 202 ; The Destruction
of the Seal Herd, 385 ; Credit for Work, 385 ; The Field Museum,
385 ; The Filson Club, 386; The New Commissioner of Fisher-
ies, 386; The Bestiarians Before Congress, 468 ; The Spoliation
of Nature, 563 ; The Anierican Association at Buffalo, 564;
Priority of Publication, 651; Presidents of the American Asso-
ciation, 652 ; The Decimal Catalogue System, 652; The Ameri-
can Association, 805; The Field Museum, 806; Notice to Our
Contributors, 806; Personal Names in Nomenclature, 925;
Species Describing. 926; Nansen and the Deep Sea, 927; Survi-
val of useless Names, 1027 ; Correction Concerning a Review of
Wachsmuth and Springer, 1027; Dates of Publication of the

Numbers of the AMERICAN NATURALIST.....

RECENT LITERATURE:-Petrology for Students, 35 ; Crystallography,

A Treatise on the Morphology of Crystals, 35; Elementary

Physical Geography, 37 ; Synoptical Flora of North America,

38 ; Natural History of Plants, 39 ; Recent Books on Vegetable

Pathology, 120 ; The Iowa University Bahama Expedition, 122 ;

The Shrews of North America, 122 ; Iowa Geological Survey,

Vol. III, 123 ; Duration of Niagara Falls, and History of the

Great Lakes, 124; Korean Games, 124; Williams' Manual of

Lithology, 203 ; The Corundum Deposits of Georgia, 204 ; Plant

Breeding, 204; Murray's Introduction to the Study of Sea-

Weeds, 290 ; Taxonomy of the Crinoids, 292; Geological Survey

of New Jersey, 387; Annual Report, Vol. VI, Geological Survey

of Canada, 387; Elementary Physical Geography, 388 ; Guide

Zoologique, 388 ; Practical Zoology, 389; Elementary Lessons

in Zoology, 389; Chats about British Birds, 389 ; Check List of

North American Birds, 390 ; The Cambridge Natural History,

469 ; Geological Biology, 471 ; Surface Colors, 564 ; The Whence

and Whither of Man, 565; Factors of Organic Evolution, 566;

The Child and Childhood in Folk-Thought, 568 ; Ethics of Mar-

riage, 569; The Structure of Solpugids, 653 ; The Bears of North

1028
1033

America, 656 ;-Journey Through Mongolia and Thibet, 731 ;

Publications of the United States Geological Survey for 1893-4.
Fourteenth Annual Report, 732 ; An Introduction to the Study
of Zoology, 733 ; The Cranial Nerves in Batrachia, 733 ; Structure
and Life of Birds, 734; The Earth and Its Story, 927; A Hand-
book of Rocks, for Use Without the Microscope, 728 ; Gregory's
Plant Anatomy, 1028; Boulenger's Catalogue of Snakes in the
British Museum, 1029 ; Nuttall's Handbook of Birds, 1031 ; Edu-
cation of the Central Nervous System, 1032 ; Lydekker on the

Geographical History of Mammalia.....

RECENT BOOKS AND PAMPHLETS —41, 125, 205, 295, 390, 473, 570, 657,

734, 807, 830......

GENERAL Notes.-- Petrography.—The Origin of Adinoles, 43 ; Notes

from the Adirondacks, 43 ; An Augengneiss from the Lillerthal,

45; Petrographical Notes, 45, 130, 210, 300, 395, 477, 579, 663,

744, 817, 1040; Igneous Rocks of St. John, N. B, 127 ; Eruptive

Rocks from Montana, 128 ; Porphyrites and Porphyritic Struc-

ture, 128 ; Granophyre of Carrock Fell, England, 129; Sheet and

Neck Basalts in the Lausite, 129; The Eruptives of Missouri,

207 ; Rocks from Eastern Africa, 208; A Basic Rock Derived

from Granite, 209 ; Cancrinite-Syenite from Finland. 209 ; Rocks

from the Sweet Grass Hills, Montana, 210 ; Examples of Rock

Differentiation, 297; Ancient Volcanics in Michigan, 393 ;

Gneisses of Essex Co., N. Y., 393 ; Volcanic Rocks in Maine,

394 ; Spotted Quartzites, S. Dakota, 394; The Gneisses and

Leopard Rock of Ontario, 395 ; Malignite, A New Family of

Rocks, 475; Foliated Gabbros from the Alps, 476; The Rocks of

Glacier Bay, Alaska, 477 ; Volcanic Rocks and Tufts in Prussia,

576; Igneous Rocks of British Columbia, 577 ; Chalcedony Con-

cretions in Obsidians from Colorado, 578; Basic Dykes near

Lake Memphremagog, 578; The Origin of the Maryland Gran-

ites, 578; The Eruptives and Tufts of Tetscheu, 660 ; A Nephe-

line-Syenite Boulder from Ohio, 662; Crystalline Rocks of New

Jersey, 662; Simple Crystalline Rocks from India and Australia,

662 ; The Weathering of Diabase, 663 ; Petrography of the Bear-

paw Mountains, Montana, 741 ; Two French Rocks, 741; The

Granite of the Himalayas, 742 ; California Rocks, 742; Gabbro-

Gneiss from Russell, 743; Geology of Point Sal, California, 814;

Leucite-Basanites of Vulcanello, 815 ; A Squeezed Quartz-Por-

phyry, 816; Mica-Syenite at Rothschonberg, 817; The Sioux

Quartzite of Iowa, 1038; The Peridotites of North Carolina,

1038 ; Shales and Slates from Wales........

Mineralogy.-Contact Goniometer with two Graduated Circles, 573 ;

Crystallographic Properties of the Sulphonic Acid Derivatives
of Camphor, 573; Optical Properties of Lithiophilite and Tri-
philite, 573; Native Sulphur in Michigan, 574; Leadhillite
Pseudomorphs at Granby, Mo., 574; Celestite from Giershagen,

574; Minerals from the Galena Limestone, 575.; Miscellaneous

Notes, 575, 739, 813, 934; The Chemical Composition of Tur-

quoises, 737; Alstonite and Barytocalcite, 737 ; Rutile, Cassi-

terite and Lircon, 738 ; Development of Faces on Crystals, 809;

Albite from Lakous, Island of Crete, 810; Fosterite from Monte

Somma, 810 ; Fayalite and the Chrysolite-Fayalite Group, 811;

Rhodophosphite, 812 ; Etched Figures on Some Minerals, 932 ;

Pollucite, Mangano-columbite and Microlite from Rumford,

Maine, 933 ; Epidote and its Optical Properties......

Geology and Paleontology.—On the Species of Hoplophoneus (Illustra-

ted), 46; The Gold-bearing Quartz of California, 52 ; Precam-

brian Sponges, 53 ; Embryology of Diplograptus, 54; The

Upper Miocene of Montredon, 54 ; Notes on the Fossil Mam-

malia of Europe, 131, 306, 480, 665 ; The Glossopteris Flora in

Argentina, 135 ; Geological News, 136, 217, 401, 746, 821, 941;

Bear River Formation, 211: On the Occurrence of Neocene

Marine Diatomaceæ near New York, 212; The Succession

of Glacial Changes, 216; The Paleozoic Reptilian Order

Cotylosauria (Illustrated), 301 ; The Puget Group, 304; The

Geological Structure of Florida, 305 ; The Glaciers of Green-

land, 311 ; Geology of the French Congo, 396; The Antartic

Continent, 397 ; Two Epochs in Vegetable Paleontology. 397 ;

The Appalachian Folds, 398 ; The Ancestry of the Testudinata

398 ; The Extent of the Triassic Ocean, 400 ; Phylogeny of the

Dipnoi, 479; Fauna of the Knoxville Beds, 479; Reclamation

of Deserts, 485; Canadian Paleontology, 579 ; Jackson on the

Development of Oligoporus, 580; American Fossil Cockroaches,

581 ; The Comanche Cretaceous, 582 ; Kolqueo Island, 582 ;

Paleontologia Argentina, 583 ; The Limestones of the Jenny

Jump Mountains, New Jersey, 664; Unios from the Trias, 665;

The Cadurcotherium, 665; Fossil Jelly Fishes, 744 ; Is Paleos-

pondylus a Marsipobranch? 745 ; The Skeleton of Aepyornis,

745; Cambrian Rocks of Pennsylvania, 817; Structure of Uinta-

crinus, 819; Permian Land Vertebrata with Carapaces (Illustra-

ted), 936; Eozoon canadense, 941; Thickness of the Coal Meas-

ures....

Botany.—The Vienna Propositions, 55; The Flora of Ohio, 58; The

Flora of the Sand Hills of Nebraska, 59; Recent Botanical
Papers, 60; A Recent Paper on the Relation between the Asco-
inycetes and Basidiomycetes (1llustrated), 218; Polyporaceæ,
Hydnaceæ and Helvellaceæ, 222; The Smut of Indian-Corn,
223 ; Antidromy and Crossfertilization, 223; New Species of
Fungi, 313; Alaskan Botany, 314; Aquatic Plants of Iowa, 375:
Another Elementary Botany, 315; Botany in the United States
Department of Agriculture, 316 ; Notes on Recent Botanical
Publications, 317; The Conifers of the Pacific Slope, 402; Pop-
ular Botany, 404 ; Notes of Botanical Papers, 404; Botany in

« AnteriorContinuar »