RECORDS OF MEETINGS OF 1908 457 



SECTION OF BIOLOGY. 



January 13, 1908. 



Section met at 8:25 P. M., Vice-President Chapman presiding. 



The minutes of the last meeting of the Section were read and approved. 



The following program was then offered: 



Henry F. Osborn, The Distribution of the Mastodon and 



Mammoth in North America with Descrip- 

 tion OF THE Warren Mastodon. 



Louis Hussakof, Hunting Fossil Fishes in the Devonian of 



Ohio and Canada. 



Ernest Thompson Seton, The Biological Results of an Expedition to 



THE Barren Grounds. 



The papers read by Professor Osborn and Dr. Hussakof were illustrated 

 with lantern slides. 



The Section then adjourned. 



Rot W. Miner, | 

 Secreiary. 



SECTION OF ASTRONOMY, PHYSICS AND CHEMISTRY. 



January 20, 1908. 



Section met at 8:15 P. M., Vice-President Hering presiding. 



The minutes of the last meeting of the Section were read and approved. 



The following program was then offered: 



Lamb, Rosanoff and Breithut, A New Method of Measuring Partial 



Vapor Pressures in Binary Mixtures. 



The paper was well discussed. 

 The Section then adjourned. 



William Campbell, 



Secretary, 



/ 



