VOL. XV, PP. 121-145 JUNE 20, 1902 



PROCEEDINGS 



OF THE 



BIOLOGICAL SOCIETY OF WASHINGTON 



A LIST OF THE BATRACHIANS AND REPTILES OF 



THE DISTRICT OF COLUMBIA AND 



VICINITY. 



BY W. P. HAY. 



The following list which completes the series, published by 

 various authors in various papers, upon the vertebrata of the 

 District of Columbia, represents the work of many collectors 

 extending over a long series of years. The compilation of 

 records was begun in 1890 by Mr. Frederick C. Test, at that 

 time aid to the curator of Reptiles in the United States National 

 Museum, and since 1895 has been continued by the author. 



Extensive collecting by Mr. Test and myself with the coopera 

 tion of many friends, among whom I might mention several 

 of my pupils at the Central High School, has been the means 

 of adding new species to our known fauna and of establishing 

 numerous additional stations for those already known. 



In the effort to make my paper of greater value than a mere 

 list of species I have prepared keys to all the species known to 

 occur, or likely to occur within our limits, and have given brief 

 descriptions and such notes on the habits as my very limited 

 space makes possible. I have drawn the descriptions of form and 

 color largely from the paper of my father, Dr. O. P. Hay, on 

 the Batrachians and Reptiles of the State of Indiana, but have 

 been at some pains to modify them to suit the peculiar require- 



25-BIOL. SOC. WASH. VOL. XV, 1902. (131) 



