THE PROGRESS OF SCIENCE 



20I 



Development of Mathematics, ' ' by Ed- 

 ward B. Van Vleck, the University of 

 Wisconsin. 



Physics : ' ' The Methods of Science : 

 To What do they Apply?" by Arthur 

 G. Webster, Clark University. 



Mechanical Science and Engineering: 

 "Safety and the Prevention of Waste 

 in Mining and Metallurgical Opera- 

 tions," by J. A. Holmes, U. S. Bureau 

 of Mines. 



Geology and Geography : ' ' Pleisto- 

 cene History of Missouri Eiver, ' ' by 

 J. E. Todd, the University of Kansas. 



Zoology : ' ' The Story of Human 

 Lineage," by William A. Locy, North- 

 western University. 



Botany: "The Evolution of a Bo- 

 tanical Problem," by Duncan S. John- 

 son, The Johns Hopkins University. 



Social and Economic Science : ' ' The 

 Development of our Foreign Trade," 

 by John Hays Hammond, New York 

 City. 



Physiology and Experimental Medi- 

 cine : ' ' The Physiological Instruction of 

 Medical Students," by J. J. R. Mac- 

 leod, Western Reserve University. 



Education: "Science, Education and 

 Democracy, ' ' by J. McKeen Cattell, 

 Columbia University. 

 There were also given two public lec- 

 tures complimentary to the citizens of 

 Atlanta, one by Dr. Ch. Wardell Stiles, 



Dn. C. L. Alsberg, 

 Vice-president for the Section of Chemistry, Chief of the Bureau of Chemistry, U. S. 



Department of Agriculture. 



VOL. LXXXVI. — 14. 



