Yoi,. LXXXII, No. 4. APRIL, 1913 



THE 



POPULAR SCIENCE 



MONTHLY ^g% 



.IBRARYla 

 , ^*^ /* 



CONTENTS 



The Influence of Forests upon Climate. Professor Robert DeC. Ward 313 



Goethe and the Chemists. Professor Roy Temple House . . . 332 



The Domestication of American Grapes. Professor TJ. P. Hedrick . 338 



United States Public Health Service. Dr. Alfred G. Reed . . . 353 



The Increasing Mortality from Degenerative Maladies. E. E. 



Rittenhouse 376 



The Life Insurance Company as a Dynamic in the Movement for Physi- 

 cal Welfare. Dr. Eugene Lyman Fisk 381 



Natural Selection. Professor T. D. A. Cockerell . . . . 388 



Some Random Thoughts concerning College Conditions. Professor John 



J. Stevenson 397 



The Progress of Science : 



Research Institutions; The Kallikak Family; Scientific Items . . . 412 



THE SCIENCE PRESS 



LANCASTER, PA. GARRISON, N. H. 



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Copyright, 1912, by THE SCIENCE PRESS 



