604 RECORD OF MEETINGS OF THE 



The minutes of the preceding meeting of the Section were 

 read and approved. 



The evening was devoted to reports of summer work carried 

 on by members of the Section. 



Summary of Papers. 



Professor H. F. Osborn went to British Columbia to study 

 the habits of mountain goats; he found large numbers of the 

 animals and had many opportunities of studying and photo- 

 graphing them at close range. Dr. Hay studied certain fossil 

 turtles in the American Museum of Natural History. Dr. 

 E. F. Byrnes continued her study of variations in the crus- 

 tacean Cyclops. She also gave some attention to regeneration 

 in sense organs in Nereis. Dr. H. R. Linville worked at San 

 Diego, Calif., studying the mechanics of circulation in Nereis. 

 Professor F. B. Sumner directed the summer session at the 

 United States Fisheries Laboratory at Woods Holl. He also 

 completed his studies of the effect of density and salinity of 

 water on fishes. Professor Wheeler continued his studies of 

 ants and made out many interesting points on the formation of 

 ant colonies by solitary queens. 



M. A. Bigelow, 



Secretary. 



SECTION OF ASTRONOMY, PHYSICS, AND CHEMISTRY. 



October 23, 1905. 



Section met at 8.15, at the American Museum of Natural 

 History, Vice-President von Nardroff presiding. 



The minutes of the previous meeting of the Section were 

 read and approved. 



The evening was devoted to reports on summer work by 

 members. 



The meeting then adjourned. 



C. C. Trowbridge. 



Secretary. 



