$4.00 per Year. $4.60 per Year (Foreign), 35 cts. per Oopy. - 
THE 
AMERICAN 
NATURALIST 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES Ne 
IN THEIR WIDEST SENSE. 
NAGING EDITOR 
Prors. E. D. COPE, ipa AND J. S. KINGS suet Tufts College, College Hill, Mass, 
ASSOCIATE EDITORS: 
Dr. C. O. gel aN Chicago, 
PROF, C. M. WEED, Durham, N. H., 
PROF. A. C. GILL, Ithae 
~C. Re Philadelphia, 
paor, E, A. ANDREWS, Bal 
RWIN F. SMITH, W ashington, D. c 
; Neb., 
EY, Waterville, Maine, 
PROF. H. C WARREN, Princeton. 
Vol. XXX. AUGUST, 1896. No. 356 
CONTENTS. 
PAGE 
P 
the Jenny Jump Mountains, New Jersey—Un- 
ios from the Trias—The Cadurcotherium— 
Notes on the Fossil Mammalia of Europe, 
THe OLDEST CIVILIZED MEN. aoa 
ope. 616 
' ON THE Rote or ACID IN THE bean OF 
CERTAIN RHIZOPODS, 
i n C. Urs ah D, 619 
` THE BACTERIAL PENA OF PLAN es RITICAL 
REVIEW oF THE PRESENT As 
KNOWLEDGE. Erwin F. ee ts 626 | ted States—Diseases of Citrous ae 
THE MEANING AND RERA OF. THE So-CALL- ford’s Agaves of the United States. ... [ 
ED“ MUSHROOMS uae OF THE HEXA- | Zoolegy—Sense of Sight in Spiders Okamih 
C. Kenyon, Ph, D. 643 | cation and Geographical Distribution of the 
POD Bra AIN, 
Evrror’s TABLE .—Priority 4 Publication ; Vice 
residents of the American Association ; 
. 651 
pugids—The Bears of North America. 
ts CENT Books AND PAMPHLETS. - . - 657 
GENERAL NoTES 
4 Ple Crystalline Rocks from India and Australia 
ck frets Png of Diabase-—Petrographice! 
: 66 
Pai bsd Poleiro- Tbe Daaa of 
The Phylogeny of Anoplotherium. . 
Botany—De Toni’s Sylloge Aleari SO 
Flora of the Black Hills of South 
„Reptilia of yaa tae Moulting of ie : 
The Florida Dee 
. 67 
pate iia ae Forbes’ Fighth kiha ; 
Back—Proteid Di- — 
gesting Saliva in Insect Larve—Weismann on ~ 
Dimorphism in Butterflies—Note on the Class- Be 
077 
—Flies Riding on Beetle’s 
ification of Diplopoda 
Embryology—The Tentacular Apparatus of 
Amphiuma. (Illustrated). . 
Psychology —Synethesia and Syn 
Anthropology—E-xploration by a University. 
of Pennsylvania in West Florida. 
ŚCIENTIFIC NEWS. . Mn 
Dakota © 
Trelease’s Hickories and Walnuts of the Uni- — 
PHILADELPHIA, U. S. A. 
HE EDWARDS ¢ & DOCKER CO. 
"518 AND hee MINOR STREET. 
nA EN a 3 ; 
