THE 
AMERICAN 
NATURALISI 
A MONTHLY JOURNAL 
‘DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE 
CONTENTS 
. The Sarcostyles of the Plumularide . . ene C. C. NUTTING 
The Wings of Insects, II . ee J. H. COMSTOCK and J. G. NEEDHAM 
Briefer Articles: A Case of Variation in the Number of Ambulacral Systems of 
Arbacia punctulata: by H. L. Osborn — Relationship of the Chriacidz to the 
Primates: by Charles Earle— Further Notes on Thermometer Crickets: by 
C. A. Bessey and E. A. Bessey — Pollination of the Closed Gentian by rasan 
bees: by R. J. Webb. 
. Editorials: National Scientific Appointments — A Patforn pma of Crani- oe 
ometry. 
HAm 
d 
V. Reviews of Recent Literature: Anthropology, The Aborigines of North-West- 
Central Queensland — General Biology, Studies on Protoplasm, Isolation 
Chapters on Natural History, Origin of the Cleavage Centrosomes, Plankton ton 
Studies on Lake Mendota — Botany, Lessons with Plants, Morphology : and 
Development of Astasia asterospora and Bacillus tumescens, Brown Rot of Cu- ee 
ciferous Plants, A New Laboratory Manual, A Guide in Vegetable Physiology, : r : 
Digestion of the Albumen of the Date, Experiments with Etiolated Leaves, a8 
Life History of Ranunculus, Food Plants of Scale Insects, Timber Pines, New 
England Botanical Club, Botanical Garden in Dahlem, E Notes — 2 
Paleontology, Pleistocene Poe Polish Palæozoics, i Giürich. e 
VI. Scientific News. __ zooo 
VII. Correspondence: The Mating Habis in Pabet 2 Be Se 
VIII, Publications Received. pee 
oe BOSTON, t U.S.A. ao -a 
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