44 Bulletin J, Biological Society of Washington, 1918. 



The fishes thns far captured in this region belong to 32 

 families of which that most numerously represented by 

 species is the minnow family with 24. There are 12 species 

 of sunfishes and basses, 8 of perches and darters, 7 of cat- 

 flshes and 5 each of the sucker, and shad families. Twenty 

 families are represented by only one species each. Of the 

 species of fishes that have been described from this region 

 at least 3 are now recognized as good species and one as a 

 variety- ; these are two minnows, Xotropis hudsonius atnarus 

 Girard, Notiopi.s <ni<ilostanus Girard, a silver-side, Menidia 

 heryllina Goi>e. and a darter Boleosonia effulgens Girard. 



BIBLIOGRAPHY. 



Smith, Hugh M., and Bean, Barton A. 



List of Fishes li^nown to inhabit the waters of the District of 



Columbia and vicinitJ^ 



Bui. U. S. Fish Commission, 1898 (1899), pp. 179-187. 



Lists 81 species. 

 Bean, Barton A., and Weed, Alfred C. 



Recent additions to the fish fauna of the District of Columbia. 



Proc. Biol. Soc. Wash. XXIV, pp. 171-174, .June 16, 1911. 



Lists 12 species, 11 of them additional to previous list. 

 McAfee, W. L., and Weed, Alfred C. 



F'rst list of the fishes of the vicinity of Plummers Island, Md. 



Proc. Biol. Soc. Wash. XXVIII, pp. 1-14, Feb. 12, 1915. 



Lists 54 species, 1 new to District list. 

 Radcliffe, Lewis, and Welsh. W. W. 



A list of the fishes of the Seneca Creek, MontgomeiT County, 



Maryland, region. 



Proc. Biol. Soc. Wash. 29, pp. 39-45, Feb. 24, 1916. 



Annotated list of 41 species, none additional to District list. 



BATRAGHIANS AND REPTILES. 



Though these two groups are not closely related, custom- 

 arily they are treated together, a procedure followed in the 

 list by Dr. W. I*. Hay the only report on these forms for 

 the region of the District of Golumbia. The batrachians 

 inhabiting this vicinity comprise 14 species of salamanders, 

 3 toads, and 10 frogs, and the reptiles include 4 lizards, 21 

 snakes and 11 turtles. This tabulation includes two more 

 batrachians than are listed bv Dr. Hay, namelv: Fowler's 



