-7- 



Hinckley, M.H. 1883. Hinckley on the mouth structure of tadpoles. Amer. Nat. 17: 

 670-671 (see Hinckley, 1882, in Distribution - Massachusetts). 



Holman, J. A. 1963. Reflections on two procoelous Rana catesbeiana Shaw. Copeia 

 1963(3) :558. 



Holman, J. A. 1963. Anuran sacral fusions and the status of the Pliocene genus 

 Anchylorana Taylor. Herpetol. 19:160-166. 



Jenssen, Thomas A. 1968. Some morphological and behavioral characteristics of an 

 integrade population of the green frog, Rana clamitans , in southern Illinois. 

 Trans. 111. State Acad. Sci . 61:252-259. 



Ruibal, Rodolfo. 1957. An altitudinal and latitudinal cline in Rana pipiens . 

 Copeia 1957 (3) : 212-221. 



Walker, Charles F. 1946 (see XXIV. Distribution - Ohio). 



See also XXV. Fossil Record. 



/I. Color 



Arndt, R.G. 1911 . A blue variant of the green frog Rana clamitans melanota 

 (Amphibia, Anura, Ranidae) from Delaware. J. Herpetol. 11:102-103. 



Bagnara, Joseph T. , Sally K. Frost and Jiro Matsumoto. 1978. On the development 

 of pigment patterns in amphibians. Am. Zool. 18:301-312. 



Berns, Michael W. and Lowell D. Uhler. 1965. Blue frogs of the genus Rana . 

 Herpetologica 22:181-183. 



Berns, M.W. and K.S. Narayan. 1970. An histochemical and ultrastructural analysis of 

 the dermal chromatophores of the variant ranid blue frog. J. Morph. 132:169-180. 



Bogenschiitz, H. 1966. Der farbwechsel von Rana clamitans kaulquappen (changing 

 of color in Rana clamitans tadpoles), Naturwissen-Sch.aften 53:484, 



Cochran, D.M. 1962 (see III, General). 



Deckert, R.F, 1916. An albino pond frog. Copeia 24:53-54, 



Fleming, P.L. 1976 (see X. Ecology). 



Fowler, H.W, 1918, An albino spring frog in winter. Copeia 61:84. 



Fowler, J. A. and H.J. Cole. 1938 (see XXIV. Distribution - Vermont). 



Grant, R. 1941 (see XXIV. Canada - Quebec). 



Guttman, Sheldon I. 1972. Color photo of a yellow "saddle back" Rana c lamitans . 

 BioScience 22(4). Cover. 



Hedeen, S. 1970 (see III. General), 



Hensley, M. 1959. Albinism in North American amphibians and reptiles. Publ. 

 Mus. Mich. State Univ. Biol. Serv. (1) 1959:133-159. 



