THE 
AMERICAN 
NATURALIST 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
$4.60 per Year (Foreign). 
IN THEIR WIDEST SENSE. 
MANAGING EDITORS: 
A. M. BROWN, Pro tem, Philadelphia, Pa., and Dr, F. ©. KENYON, Washington, D. C. 
ASSOCIATE E SRE p Š 
o ihe E. Sine Lineoln, 
YLEY, WwW dan ao Maine, 
ER 
Pror C. M. beac ee N H 
Pror, A. C. peed - W. 8. 
kog ya WARREN, og ir 
à $ meppen Philadelphia. 
A. ANDREWS, Baltimore, 
WIN F. sirra w mae Bena 
Vol. XXXI. 
JULY, 1897. 
CONTENTS. 
ON = wong OF TARSIUS: 
E PHYLOGENY OF THE PRI 
IERT Earle, 
BIOLOGICAL STUDIES IN MASSACHUSETTS 
George C. Whipple. 
NATURAL IMPULSES W. Bernhardt. 
CONTRIBUTIONS TO AE —II. 
H D 
THE SEVENTH SESSION oF THE ess bie 
ESS, 
—A Te: ext t-Bo bk cot Rupert: 
1 Embryology — Miocene Mollusca 
rea I Ce of New Jersey—Sixteenth 
Annu preh t U. S. Geological Survey, 
Ppi arts IHI and IV — Glaciers i No sh 
merica Rye 5 
RECENT Books AND PAMPHLETS. j 
GENERAL NOTES 
„Mineralogy ssa ee tee and 
Zirkelite — Epidote and Zoisite—The Mono- 
clinice Eby tpr p New York State—On the 
Notes. rears of Crystals — Miscellaneous 
P graph y Ancient Volcanic Rocks in 
en st a AA Associated with the 
r. Port Henry, N. — The 
i etites nea N ; 
__Basalts of Kléch in Steiermark «The Volcanié 
Rocks near Bensen, Bohemia — The 
Governing an Production m "Zonal Cr ma 
Petrograph a É 
. A. Cockerell, $ 
PAG 
A rope dare 
TES. 
> 
© 
p 
Geology and eE arenae papie Pak of Alaska x 
Origin of the Eedoritates“Gyps oS 
cansas—Geolog 8y of the Funafuti ti Coral R iets a 
seca ‘ 
anical Society ‘of Ameri rica 
Botany in she "National Educational Associa- 
Chester Co., Pennsylvania —On the Use of the 
Heredit Rare Mester oe 
cane ig id OCIETIES. . - 
Screntiric News. . wip ets ie 
PHILADELPHIA, U. S. A. 
bb 
MISLLOL. 
