Central throat region unspotted; dark spots on back regularly light bof 

 dered 93. 



92. Skin of back scarcely tubercular; dark spots of back distinct against a 



light background; N. C. to Florida 



Rana capito Le Conte Pale Southern Gopher Frog 

 (Rana aesopus (Cope) ) 

 Skin of back very tubercular; dark spots of back obscure against a dark 

 background; Ala. to Louisiana 



Rana sevosa G. 6? N. Dusky Southern Gopher Frog 



93. Skin of back scarcely tubercular; Ark. to Okla. and Texas 



Rana areolata areolata B. & G. Texas Gopher or Crayfish' Frog 

 Skin of back very tubercular; Ohio to Miss, and Okla. 



Rana areolata circulosa R. ^ D. Northern Gopher or Crayfish 

 Frog 



GENERAL REFERENCES 



Allen, A. A. 1950. Voices of the Night. Nat. Geog. Mag., Vol. 97, No. 4. 



Brand, A. R. (Bird Song Foundation) Cornell Univ. 1945. Voices of the 

 Night. Comstock Publishing Co. Ithaca, N. Y. 



Cochran, D. M. 1932. Our Friend the Frog. Nat. Geog. Mag., Vol. 61, 



No. 5. 



Cope, E. D. 1889. The Batrachians of North America. Bull. U. S. Nat. 

 Museum, No. 34. 



Dickerson, M. C. 1906. The Frog Book. Doubleday, Page &' Co. New 

 York. (Reprinted in 1933.) 



Kellogg, R. 1932. Mexican Tailless Amphibians in the U. S. National Mu' 

 seum. Bull. U. S. Nat. Museum, No. 160. 



Mellen, L 1927. The Amphibians. Bull. N. Y. Zool. Soc, Vol. 30, No. 6. 



Slevin, J. R. 1928. The Amphibians of Western North America. Occ. 

 Papers Cahf. Acad. Sci., Vol. 16. 



Smith, H. M. 1934. The Amphibians of Kansas. Amer. Midland Natural' 

 ist. Vol. 15, No. 4. 



Stejneger, L. and Barbour, T. 1943. A Check List of North American Am' 

 phibians and Reptiles. Fifth edition. Harvard University Press. Cam' 

 bridge. 



Storer, T. L 1925. A Synopsis of the Amphibia of California. Univ. of 

 Cal. Pub. in Zoology, Vol. 27. Univ. of Cal. Press. Berkeley. 



Wright, A. H. 1914. North American Anura. (Life-histories of the Anura 

 of Ithaca, N. Y.) Published by the Carnegie Institution of Washington. 



Wright, A. H. 1932. Life Histories of the Frogs of Okefinokee Swamp, 

 Georgia. The Macmillan Co. New York. 



Wright, A. H. and Wright, A. A. 1949. Handbook of Frogs and Toads. 

 The Comstock Publishing Co. Ithaca, N. Y. 



The names used as first choice in the frog and toad key are those given 

 in the fifth edition of Stejneger and Barbour's Check List. 



356 



