Proceedings. xi 



M. W. Lyon exhibited photographs showing certain bats and 

 their young. 



M. C. Marsh exhibited samples of water contaminated by coal 

 tar. 



The following communications were presented: 



0. L. Pollard: Some Aspects of the Flora of Cuba. 



O. F. Cook: Stages of Vital Motion. 



November 29, 1902 36ist Meeting. 



The President in the chair and 38 persons present. 



The following communications were presented: 



William Palmer: Variation in Downy Woodpeckers in East 

 ern Maryland and Virginia. 



Vernon Bailey: Sleepy Grass and its Effects on Horses. 



F. V. Coville: The Use of Sagebrush among the Klamath 

 Indians of Oregon. 



O. F. Cook: The Function of Latex in the Central American 

 Rubber Tree. 



December 13, 1902 3624 Meeting. 



Held in conjunction with the Washington Academy of Sciences, 

 Dr. Theo. Gill in the chair and 47 persons present. 



The retiring President Mr. F. A. Lucas delivered an address 

 entitled < 'Flightless Birds." 



December 27, 1902 363d Meeting. 



The President in the chair and 13 members present. 



The annual reports of the Recording Secretary and the Treas 

 urer were read and approved. The following officers were 

 elected for the year 1903. 



President: B. W. Evermann. 



Vice-presidents: W. H. Ashmead, F. H. Knowlton, T. S. 

 Palmer, William P. Hay. 



Recording Secretary: Wilfred H. Osgood. 



Corresponding Secretary: T. W. Stanton. 



Treasurer: David White. 



