Vol. LXXXII, No. 2. FEBRUARY, 1913 



THE 



POPULAR SCIENCE 



MONTHLY £$tk 



Lj UIBR ARYta 

 EDITED BY J. McKEEN GA11ELL W. ^^ 



CONTENTS 



The Geologic History of China and its Influence on the Chinese People : 



Professor Eliot Blackwelder 105 



French Geodesy. The late Henri Poincar^ 125 



The Role of Membranes in Cell-processes. Professor Ralph S. Lillie . 132 

 The Problem of the Efficiency of Labor. Howard T. Lewis . .153 

 Bergson's View of Organic Evolution. Dr. Hervet W. Shimer . . 163 

 The Abilities of an " Educated " Horse. Professor M. V. O'Shea . . 168 

 The Advancement of Psychological Medicine. Dr. Frederic Lyman 



Wells 177 



Immense Salt Concretions. Professor Frederic G. D. Harris . . 187 

 College or University. Dr. Stewart Paton 192 



The Progress of Science : 



The Cleveland Convocation-week Meeting ; An Extinct SpecieB of Man ; The Seals 



of the Pribilof Islands ; Soientifio Items ....... 203 



THE SCIENCE PRESS 



LANCASTER, PA. GARRISON, N. Y. 



NEW YOBK : Sub-Station 84 



Ssngle Number, 30 Gents Yearly Subscription, $3.00 



Copyright, 1912, by THE SCIENCE PRESS 



