Vol. LXV. No. 4 AUGUST, 1904 



THE 



POPULAR SCIENCE 

 MONTHLY 



EDITED BY J. McKEEN CATTELL 



CO NTENTS 



The Conflict of Science and Religion. Dr. Edward S. Holden . . 290 



The Great White Plague. Dr. John B. Huber 298 



The Discovery of the Native Home of the San Jose Scale in Eastern 

 China and the Importation of its Natural Enemy. C. L. Marlatt 306 



Saving the Mississippi's Source. H. M. Kingery 318 



Some Eighteenth Century Evolutionists. Professor Arthur 0. Lovejoy 323 



Italian and Other Latin Immigrants. Dr. Allan McLaughlin . . . 341 



Three Decades of College Women. Frances M. Abbott 350 



Dextrality and Sinistrality. Dr. George M. Gould 360 



The Lakes of New Zealand. Ejeth Lucas . . . . 370 



Shorter Articles and Discussion : 



Characteristic Curves of Composition : Dr. T. C. Mendenhall 373 



The Progress of Science : 



The Le Conte Memorial Lodge ; Sir William Flower; Geological Photographs; 

 Scientific Items 379 



THE SCIENCE PRESS 



LANCASTER, PA. GARRISON, N. Y. 



NEW YORK : Sub-Station 84 

 Single Number, 30 Cents Yearly Subscription, $3.00 



CorraieHT, 1QQ4, bt the science press 



