iv Contents. 
Nevada and cc The Distribution of Vegetation in ; z 
Portion W. J. Hofman 386 e 
New i ees and Vermont, Observations upon the Dis- : 
tribution of Plants in. ....... William F. Flint £9 3 
New eee, The Giant Birds of... 6b. oe eae pe I. C. Russell 11l 5 
orth America , The Suessonian Fauna in E. D. Cope 95 
pengetiotie 5, 4 Provisional pz pothesis of. a. iciae Mo DON OEN ays sa 144 
e William E. Hagen 32 
Polar Colonisation Pla H. W. Hoùwgate 226 
Pseudis, ‘‘ t aa rd F Frog ” S. W. Garman 587 
Pueblo Tribes ific Slope of the United States, On 
the Ancien peg Modern Edwin P Barber 591 
Saltatory Broiaen, On a Provisional Hypothesis of...... W. H. Dail 139 
Scavengers, A Few Wo: about Sanborn Tenney 125 
Sense Organs waa s, Experi s on A. S. Packard, Jr 418 
Stone Implements and Orn AE hen ce lcs of Colo- 
rado, l tah, and Arizona Edwin A. Barber 964 
Surface Geology of Eastern cons rm Notes on the... W. O. Crosby BIT 
. Surface era of the Merrim Warren Upham 524 
i Turkey and its Domestication, rai Wild J. D. Caton 821 
Utah Tas, Gaming among the inet A OIDI: i io soniai patie nET 851 
: esa , On Changes of ont KODE 6 cies nrs amuel Calvin 47h 4 . 
Zoölogy CIE The Study o Charles Sedgwick Minot.......... 830, 392 is 
Recent LITERA > 
American Tt corte a Mammals, 613; America, Wild Flowers of, 40, 753 ; ages ee ogy, 
Macalister’s, 111; Baird’s Annual Record of Science and Industry for 1876, 483; s, Boucard’s 
Catalogue m Tou Bobröiky; 8 S Researches o on bors Development of Cephalopoda, Pag les An- 
imal Life, pe’s Vertebrate Paleontology of New Mexico, 750 ; 
Dolbear’ Å Art of Projecting, 301 ; Echinoids, ‘Lovén’s Studies on the, 110; Ganin’s elaniurpuonel 
nsects, 423 ; eara Borrar of Kentucky, on of, 165 ; Haeckel’s History of Creation, ti 
167; Hyatt’s North American Sponges, 560; Insec , Glover s Jitastrations of, 110; Johnson’s ; 
Cyclopedia, 168; List of Se Vertebested Animals in a's don Zodlogical Garden, ais: ; Mivart’s 
Lessons from s 
300; M 
a, 88; Ninth Annual Report of the U. S. Geological and Ge phical Survey of the Territories Py 
681; North American aE Animals, 617; Recent p aeaa paii: rs, 615; n 
The Warfare of, 168; Tra pai P osmania bee Causes of, 109; United States me 
sion of Fish and Fihern pey g l Distribution of Animals, 232 ; Waal 
Ta mals f, 108. 
GENERAL Nor 
Botany. f Carbonic Acid by the Vegetable Cell Wall, 240; Acer Dasycarpum, 485; 
Algze, sets of, 366 ; Apine Plants, 683; iida Tables, 306; Austrian Woody Plants, The Size 
of the Leaves of, 684 ; Botanical Club at Providence, R. i 43 ; Botanical tgp , 6845 
Papers in Recent Periodicals, 43, 115, 178, 241, 307, 366, 434, 490, 564, 621, 685 ; Catalogue o of Wis- 
consin Pia nia, 684; wen - occidentais, 400; Col jorophyil- Rag vag Aa; Effect of pem it pth 
lulosie Produc ti 
ana inann 118° ote al + ibe É Birds, 754; a 3 a Calycanthus, 304 ; 
o 
y ; Oak, A M: 42; Oal rope co! 
p by De Saporta, 240 ; Objects of the Diversities in the Mod of Arrangement of the Floral 
Organs, 115; Observations on Silphium laciniatum, the asa Compass Plant, 456; Onion 
Smut, 365; Orchis a 431; Origin of Varieties ; - Illustrations, 113; Ostrya Vir- 
giniea, A Remarkably Large, 683 ; Ph eee 239; Phyllotaxis of Cones, 177; Pinus mitis, 
304; Plants, How a guard against Animals Bad vo 683; Plants of Brazil and Ger- 
Production of, 175; Three of Fern-Spo: 
guinaria, 431 ; Two-Flowered Arethusa, 431; ania Digestion, 900, Violets, 561. 
ZLoblogy. — Amphioxus in the Bermudas, 367; Animals, A New ape of, 178 ; Arkan- 
