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)
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