The Period from 1891 to 1900 37 



The Boston Meeting, August, 1898. {Vol. 47) 



Mathematics and Astronomy. Edward E. Barnard : "The Development 

 of Photography in Astronomy." 



Physics. Frank P. Whitman : "Color- Vision." 



Chemistry. Edgar F. Smith : "The Electric Current in Organic Chem- 

 istry." 



Geology and Geography. Herman L. Fairchild : "Glacial Geology in 

 America." 



Zoology. Alpheus S. Packard : "A Half-Century of Evolution with Spe- 

 cial Reference to the Effects of Geological Changes on Animal Life." 



Botany. William G. Farlow : "The Conception of Species as Affected by 

 Recent Investigations on Fungi." 



Anthropology. J. McKeen Cattell : "The Advance of Psychology." 



Social and Economic Science. Archibald Blue : "The Historic Method 

 in Economics." 



The Columbus Meeting, August, 1899. (Vol. 48) 



Mathematics and Astronomy. Alexander Macfarlane: "The Funda- 

 mental Principles of Algebra." 



Physics. Elihu Thomson: "The Field of Experimental Research." 



Chemistry. F. P. Venable : "The Definition of the Element." 



Mechanical Science and Engineering. Storm Bull: "Engineering Edu- 

 cation as a Preliminary Training for Scientific Research Work." 



Geology and Geography. J. F. Whiteaves : "The Devonian System in 

 Canada." 



Zoology. Simon Henry Gage : "The Importance and the Promise in the 

 Study of the Domestic Animals." 



Botany. Charles R. Barnes: "The Progress and Problems of Plant 

 Physiology." 



Anthropology. Thomas Wilson : "The Beginnings of the Science of 

 Prehistoric Anthropology." 



Social and Economic Science. Marcus Benjamin : "The Early Presi- 

 dents of the American Association." 



The New York Meeting, June, 1900. (Vol. 49) 



Mathematics and Astronomy. Asaph Hall, Jr. "On the Teaching of 

 Astronomy in the United States." 



Physics. Ernest Merritt : "On Kathode Rays and Some Related Phe- 

 nomena." 



Chemistry. Jas. Lewis Howe : "The Eighth Group of the Periodic Sys- 

 tem and Some of Its Problems." 



