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VOL. XXXII, NO. 373 4) JANUARY, 1898 
THE 
AMERICAN 
NATURALIST 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE 
CONTENTS 
I. Synopsis of Recent Progress in the Study of Graptolites . Dr. R. RUEDEMANN 
II. Contributions on the Life Histories of Certain Snakes . GEORGE E. BEYER 
III. Classification of Lakes according to Temperature . . GEORGE C. WHIPPLE 
IV. Botanical Aspects of Jamaica . . . DOUGLAS HOUGHTON CAMPBELL 
V. The Wings of Insects. I. . . . J H. COMSTOCK and J. G. NEEDHAM 
VI. Editorial: The Aim of the American Naturalist ; 
VIL Reviews of Recent Literature: Anthropology, Report ofthe ie of Ethnology, 
The Import of the Totem: by Frank Russell — General Biology, A Studyin 
Heredity — Zoology, Weed’s Life Histories of American Insects, Weed’s Stories 
of Insect Life: by J. H. C. — Botany, North American Lemnacez: by 
The Oxford Herbarium, Botany at Geneva: by T.— -a 
Geography, Recent Works 
VIII. Scientific News 
a = asr U.S.A. ie 
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