$4.60 per Year (Foreign). 
THE 
AMERICAN 
NATURALIST 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE. 
NAGING EDITORS: 
A. M.. BROWN, Pro tem, Philadelphia, Pa., and Dr. F. ©. KENYON, Washington, D. C. 
ASSOCIATE eee > 
PROF c a WEED, Durham, N. H., Dr. C. E. BESSEY, Lincoln, Net H C. MERCER, Philadelphia. 
PROF. A akaw Ithaca PROF. W. 8. BAYLEY, ‘Wale Main PROF. E. A. ANDREWS . ae 
sakke C. WARREN, Princeton wis. F. SMITH, Washington, D. C, 
Vol. XXXI. AUGUST, 1897. 
CONTENTS 
PAGE 
New BOISERVATIONS ON THE ORIGIN OF T ienen A Region of Environmental Change—Geo- 
PAGOS ISLANDS, WITH REMARKS logical News. 
GEOLOGICAL Ack or THE en ae ; Oeax. 661 Botany—The Death of Sichs- Oppårtami a 
ON THE AFFINITIES oF TARSIUS: A CONTRIBUTION for Research in the Missouri Botanical Garden. 
TO THE PHYLOGENY OF THE PRIMATES. (Con- posera Notelets. 3 
Charles Earle, 680 table Physiolog, gy— Chemotropism of Fungi. a 
Tur gwan < inf Toto. Goon’: N. -Y,, “AND (Mustra ted). 
HEIR, FLO W. W. Rowlee. 690 Zoo n oa igin of {i fe-The Life ‘Cycle of 
Ne TAE, ETER of Ownership of the 
American Naturalist—The Association of 
pa ral Colleges and -Experiment 
tion 
g 
aia S TAER ae Cae of Coyne 
Section Cutting and Staining—Cambridge 
Natural History, Volume V—Aquatic In- 
of Leptocephalus fees 
Eniomology—An-° Ant-Inhabitin Mite—The. 
A i ear A EREE TA > Spread of the oiae ar Beetle- g Mi 
of the Missouri Bota ita arden TOR OT 701 OR A T oe Livin : 
RECENT Books AND TA O a SS S Psy POT Eaei ER s Mental 
GENERAL sheen ces r - 706 | Work: 
"Geology de gnthdopolaay e A on the ‘Sia ale 
Ba WERN e eg on Block of Northwest Coast Indians. -{IHustrated. j 
land—Age of the malaya — Geological. ` gid PMR Method of Rowene 
of the Wadia tire dian Paleozoic tion. (Illustrated.) . 
aap Fauna in Baluchistan— PROCEEDINGS OF gone ate Socrertes. Rie 
ae of 
fhe Wo ombeyan Caves, N: S. W.— SciENTIFIC News. .. . De ea 
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