Vol. LXXIX, No. 2. AUGUST, 1911 



THE 



POPULAR SCIENCE 

 MONTHLY 



EDITED BY J a MeKEEtf CATTELL 



CONTENTS 



The Significance of Tropisms for Psychology. Dr. Jacques Loeb . . 105 



Feeling in the Interpretation of Nature. Professor William E. Ritter 126 



The Typhoid Fly on the Minnesota Iron Range. Professor F. L. Washburn 137 



What Makes a College ? Professor A. B. Wolfe 151 



The University in Politics. Professor T. D. A. Cockerell . . . 160 



The Classification of the Sciences. Dr. Ira Woods Howerth . 165 



Francis Galton. Dr. J. Arthur Harris 171 



The Origin of Luminous Meteor Trains. Dr. C. C. Trowbridge . . 191 



The Progress of Science : 



The Extension of the American Museum of Natural History ; The Protection of the 



Fur Seal ; Scientific Items . ........ 205 



THE SCIENCE PRESS 



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Copykight, 1910, BY THE SCIENCE PRESS 



