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Vol XXVIII. No. 1. JANUARY, 1911 



THE 



POPULAR SCIENCE 

 MONTHLY 



EDITED BY J. McKEEN CATTELL 



CONTENTS 



The Smallest of the Century Plants. Professor William Tbeleasb . . 6 



Euthenics and Eugenics. Dr. C. B. Davenpobt 16 



The Meteorology of the Future. Professor Cleveland Abbe. . . .21 



Kant and Evolution : Professor Abthub O. Lovejoy . . . .36 



University Reforms : Dr. Stewabt Paton . . . . . .52 



Is the Diminishing Birth Bate Volitional?. Professor Chables Fbankxin 

 Emebick 71 



Bace Suicide vs. Over-population. Dr. Scot Neabing . . . .81 



The Health Instinct. Dr. James Feedebick Rogebs . . . .84 



War and Manhood. President David Stabb Jobdan . . . .88 



The Progress of Science : 



Academic and Industrial Effioienoy ; The Mt. Wilson Conference of the Solar 

 Union ; Scientific Items .......... 99 



THE SCIENCE PRESS 



" LANCASTER, PA. GARRISON, N. Y. 



NEW YORK : Sub-Station 84 

 Single Number, 30 Cents Yearly Subscription, $3.00 



Copyeiqht, 1910, BY THE SCIENCE PRESS 



