viii The Biological Society of Washington. 



David White : A New Lycopodineous Cone from the Coal 

 Measures of Missouri.* 



Edward L. Greene: The Development of the Idea of a Genus. 



M. A. Carleton : The Ontogenetic Separation of Puccinia gra- 

 minis avenas from P. graminis tritici. 



January 30, 1897 271st Meeting. 



The President in the chair and 45 persons present. 



The following communications were presented : 



C. Hart Merriam : The Pribilof Island Hair Seal. 



C. H. Townsend : The Origin of the Alaskan Live Mammoth 

 Story.f 



Frank Benton : The Giant Bee of India. 



L. 0. Howard : Parasites of Shade Tree Insects in Washing 

 ton. J 



February 27, 1897 272d Meeting. 



The President in the chair and 28 persons present. 



The following communications were presented : 



C. H. Townsend : The Distribution and Migration of the 

 Northern Fur-seal. 



Charles L. Pollard : What Constitutes a Type in Botany ? 



Lester F. Ward : Descriptions of Seven Species of Cycadeoidea 

 from the Iron Ore Deposits of Maryland. || 



March 13, 1897 273d Meeting. 



The President in the chair and 30 persons present. 



The following communications were presented : 



T. W. Vaughan and R. T. Hill : The Lower Cretaceous Gry- 

 pheas of the Texas Region. 



Charles F. Dawson : The Dissemination of Infectious Diseases 

 by Insects.^]" 



*To be published in Monographs U. S. Geol. Survey. 



fThe Alaska Live Mammoth Story. <Forest and Stream, XLIX, pp. 

 124-125, Aug. 14, 1897. 



J A Study in Insect Parasites. <Bull. V, Technical Series, No. 5, Di 

 vision of Entomology, U. S. Dept. of Agriculture. 



To be published in Report of the Bering Sea Commission for 1896. 



|| Proc. Biol. Soc. Wash., XI, pp. 1-17, 1897. 



flTo be published in Ann. Report for 1897, Bureau of Animal Industry, 

 U. S. Dept. of Agriculture. 



