PROCEEDINGS OF THE ACADEMY AND AFFILIATED 



SOCIETIES 



THE BIOLOGICAL SOCIETY OF WASHINGTON 



The 519th meetmg was held at the Cosmos Club, January 10, 1914, 

 with President Paul Bartsch in the chair. Five new members were 

 elected. 



The discussion of the previous meeting on Parallel Development was 

 continued. L. Stejneger spoke of Parallelism as exhibited in reptiles, 

 while Barton W. Evermann and Theodore Gill discussed it as re- 

 lated to fishes. Messrs. Eastman, Bartsch, A. D. Hopkins, and WilUam 

 Palmer also took part in the discussion. 



The 520th meeting was held January 24, 1914, with President Bartsch 

 in the chair. Five persons were elected to membership. 

 The program consisted of three communications: 

 Wi72ter hird-life in the swamps of Alabama: E. G. Holt. 

 Pollen protection in thefloivers of Acacia and Annona: W. E. Safford. 

 The problem of the gliding gull: William Palmer. 



The 521st meeting was held February 7, 1914, President Bartsch in 

 the chair. One new member was elected. Two communicat'onswere 

 presented : 



Notes on the fossil mammals of the Fort Union: J. W. Gidley. 



Certain seeds used for ornamental purposes in the West Indies: J. N. 

 Rose. 



The 522d meeting was held February 21, 1914, Vice-President J. N. 

 Rose in the chair. The program consisted of three communications: 



Seasonal movements of fishes at Lake Maxinkii kee: Barton W. 

 Evermann. 



An American Swastika: Henry Talbott. 



Surface temperature in the Humboldt current and its coastal eddies: 



R. E. COKER. 



The 523d meeting was held March 7, 1914, with Vice-President A. D. 

 Hopkins in the chair. Three persons were elected to membership. 

 The program consisted of two communications: 



Remains of a prehistoric feast: William Palmer. 



Further evidence of mutation in Oenothera (illustrated with lantern 

 slides) : H. H. Bartlett. 



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