AVEDA VENA DERA BADER A PENA BER ADEM ADEM AERA DER ABER ADEM AD 
The American Naturalist 
A Monthly Journal Devoted to the Natural Sciences 
in Their Widest Sense 
The journal aims to present to its readers the leading facts 
and discoveries in the fields of Anthropology, General Biology, 
Zodlogy, Botany, Paleontology, Geology and Mineralogy, and 
the various sub-divisions of those subjects. 
CONTENTS OF THE LAST NUMBER. ) 
I. Adaptations to Aquatic, Arboreal, Fossorial and Cursorial Habits 
in Mammals. II. Arboreal Adaptations. . Louis I. Dublin 5 
II. Mutation in Plants 5 : . : Dr. D. T. MacDougal 
III. Distribution of the Fresh-Water Fishes of Mexico. : : 
: ! j . : “ - : : Dr. S. E. Meek 
IV. Examination of Organic Remains in Postglacial Deposits 
: ; : : j ‘ ; ; Dr. P. Olsson-Seffer 
V. Notes and Literature: Exploration, Hatcher’s Narrative of the 
Princeton Patagonia Expedition—Zoology, A Summary of the 
Coccide, Another Text-book of Entomology, Two Papers on 
Insect Wings—Boftany, A New Flora of the Southeastern United 
States, Notes. 
All who are interested in the Scientific questions of the 
day will find this Magazine invaluable. New subscrip- ) 
é tions for 1904 are now being received. 
. GINN @ COMPANY, Publishers, ; 
¢ Boston New York Chicago London 
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