Proceedings. xi 



March 25, 1916— 553d Meeting.* 



President Hay in the chair and 40 persons present. 



Gen. T. E. Wilcox exhibited lantern slide views of the coun- 

 try along the Mexican border of the United States. 



Mr. A. A. Doolittle exhibited a specimen of Amhystoma punc- 

 tatum from the District of Columbia. 



Dr. O. P. Hay exhibited a mutilated braincase of an elk and 

 a skull of an extinct horse. 



President W. P. Hay exhibited lantern slides of aquatic ani- 

 mals in the vicinity of Beaufort, North Carolina. 



Medical Inspector Ames asked for positive knowledge as to 

 the ability of camels to swim, and as to a South American ani- 

 mal with dorsally placed mammse. 



Dr. M. \V. Lyon, .Jr., exhibited a microscopic preparation of 

 a living embryo of Filaria bancrofti. 



The regular program consisted of three communications, as 

 follows : 



" Notes on the Growth of the Loggerhead Turtle"; W. P. 



Hay. 



" The Restoration of the Dinosaur, Podokesaurus holyokensis " ; 



R. W. Shufeldt. 



"A Biological and Fish Cultural Experiment Station"; 

 R. E. Coker. 



April 8, 1916— 554th Meeting.f 



President Hay in the chair and 65 persons present. 



Dr. R. W. Shufeldt exhibited specimens of a Japanese sala- 

 mander, Diemictylus pyrrhogaster . 



Dr. Paul Bartsch called attention to the introduction of the 

 European agate snail, Rumina decollata, and to the publication 

 by J. B. Henderson of "The Cruise of the Tomas Barrera.^' 



Dr. M. W. Lyon, Jr., remarked on the history of the Filaria 

 hancrofti embryos exhibited at the 553d meeting. 



Mr. F. Knab discussed the mosquito host of Filaria hancrofti. 



The regular program consisted of a single paper, as follows : 



*' Hunting in the Peruvian Andes "; Edmund Heller. 



•Abstracts in Journ. Washington .\cad. Sci., Vol. 6, pp. 258-259, May 4, 1916; and in 

 Science, N. S., Vol. 43, pp. 761-762. May 26, 1916. 



+ Abstracts in Journ. Washington Acad. Sci., Vol. 6, p. 311. May 19, 1916; and in 

 Science, N. S., Vol. 43, p. 834, June 9, 1916. 



