Vol. LXXVI. No. 3. MARCH, 1910 



THE 



POPULAR SCIENCE 

 MONTHLY 



EDITED BY J. McKEEN CATTELL 



CONTENTS 



Insects and Entomologists, Their Relations to the Community at Large. 



Professor John B. Smith 209 



The Second Law of Thermodynamics, its Basis in Intuition and Common 



Sense. Professor W. S. Franklin 227 



Climate in Some of its Relations to Man. Professor Robert DeC. Ward 246 



The Structure of the "World-stuff. Professor Horace Clark Richards 269 



The Relation of the Law to Public Health. Alfred Hayes, Jr. . . 280' 



International Coinage. Theo. F. Van Wagenen 287 



The Hubbard Glacier, Alaska. Professor Lawrence Martin .... 293 



The Progress of Science : 



The Work of the Carnegie Institution ; The Life of Peter Lesley ; 



Scientific Items 306 



THE SCIENCE PRESS 



LANCASTER, PA. GARRISON, N. Y. 



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 Single Number, 30 Cents Yearly Subscription, $3.00 



Copyright, 1909, by THE SCIENCE PRESS 



