PROCEEDINGS OF THE ACADEMY AND AFFILIATED 



SOCIETIES. 



BIOLOGICAL SOCIETY 



60 1 ST MEETING 



The 6oist regular meeting of the Biological Society of Washington 

 was held in the Assembly Hall of the Cosmos Club on November 15, 

 1919; called to order at 8.10 p.m. by Vice-President Vernon Bailey. 

 Twenty-six persons present. 



Under heading of brief notes Dr. L- O. Howard reported a letter 

 read before the council from B. W. Evermann in which Dr. Evermann 

 regretted that he was unable to attend the anniversar}'^ meeting on 

 November i. 



Dr. R. W. Shufeldt exhibited living young of the southern soft- 

 shelled turtle [Amyda ferox (Schneider) ] and gave an account of the 

 distribution and habits of this group of turtles. 



W. H. Osgood gave a brief synopsis of the meetings of the American 

 Ornithologists' Union held during the past week in New York City. 



A. Wetmore remarked upon the attitude of the male sage grouse 

 [Centrocercus uropkasianus (Bonaparte)] in strutting, as shown in 

 motion pictures taken by W. L. Finley. 



The regular program consisted of three communications: 



N. Hollister: Relative abundance of waterfowl in Wisconsin (il- 

 lustrated by diagrams). This paper, based on observations made at 

 Delavan Lake in southeastern Wisconsin, will be published in the Auk. 

 The paper was discussed by W. H. Osgood, A. Wetmore and V. Bailey. 



A. Wetmore: -4 peculiar habit of grebes (with exhibition of speci- 

 mens). This communication will appear in full in the Condor. The 

 paper was discussed by R. W. Shufeldt and V. Bailey. 



E. O. Wooton: Notes on a short visit to Tamaidipas. Prof. Wooton 

 gave an interesting account of a trip made during midsummer 1919 to 

 examine the possibilities of Northern Tamaulipas in regard to agri- 

 culture and range. Although the time of year was unfavorable for 

 botanical collecting, 207 species of plants were preserved and of these 

 several proved to be new to science. • A general account of the region 

 and of its vegetation was given. The paper was discussed by E. A. 

 Goldman, V. Bailey and A. Wetmore. 



Alexander Wetmore, Recording Secretary pro tern. 



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