Wis 
Vou. LXXVII. No. 1. JULY, 1910 
THE 
POPULAR SCIENCE 
MONTHLY 
EDITED BY J. McKEEN CATTELL 
\ 
CONTENTS 
A Naturalist in the Straits of Magellan. Dr. Cuartes Haskins TOWNSEND 5 
} The Future of the Human Race. Professor T. D. A. CockERELL . . . 19 
Middle and Distance Running. CuHas.E. HammMeTT ...... . 28 
\ The Symbolism of Dreams. Dr. Havetook Evtis ....... . 382 
Modern Medievalism. Dr. Frank T, Cantton ........ =. 56 
i The Nature of Disease and of its Cure. Dr. JAmes FrepERIcK Rogers . 61 
\The Paleontologic Record: 67 
e Paleontologic Evidences of Climate, T. W.STANTON. The Migration and Shifting of 
: Devonian Faunas, Professor HENRY S. WILLIAMS. Paleontologic Evidences of 
q Adaptive Radiation, Professor HENRY FAIRFIELD OSBORN. 
instinct and Intelligence in Birds. Professor Francis H. Herrick . . 82 
he Progress of Science : 98 
The Johns Hopkins University ; Medical Education in the United States; Robert 
Koch ; Scientific Items. 
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j THE SCIENCE PRESS 
” ANCASTER, PA. GARRISON, N. Y. 
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COPYRIGHT, 1909, By THE SCIENCE PRESS 
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