39 



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Zug, G. R. 1978. Anuran locomotion - structure and function, 2: 



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 Zug, G. R. and A. Schwartz. 1971. Deirochelvs . D. reticularia . 



Cat. Am. Amph. Rept. 107.1-107.3. 

 Zweifel, R. G. 1957. Studies on the critical thermal maxima of 



salamanders. Ecology 38(l):64-69. 

 Zweifel, R. G. 1970. Distribution and mating call of the tree frog, 



Hyla chrysoscelis at the northeastern edge of its range. 



Chesapeake Sci. ll(2):94-97. 

 Zwinenberg, A. J. 1977. Kemp's Ridley, Lepidochelys kempii (Garman, 



1880) , undoubtedly the most endangered marine turtle today 



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ADDENDA 



Cooper, J. E. 1965. Cave-associated herpetozoa- 1. An annotated 



dichotomous key to the adult cave-associated salamanders of Maryla 

 Pennsylvania, Virginia and West Virginia. Baltimore Grotto 

 News 8 (7) :150-163. 



Department of Biology, College of William and Mary. 1973. Study of 

 the vascular flora and terrestrial fauna of the Vepco Surry 

 Nuclear Plant area, Surry County, Virginia. Report submitted to 

 Virginia Electric and Power Company, 173 p. (herpetological 

 information p. 66-80, 150-157) . 



Dodd, C. K., Jr. 1980. (Review of) Amphibians and reptiles of the 

 Carolinas and Virginia, by B. S. Martof, et al . Bull. Maryland 

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Dorfman, D. 1979. Some blood characteristics of the diamondback 

 terrapin, Malaclemys terrapin . Bull. New Jersey Acad. Sci. 

 24(1) :38-40. 



Drowne, F. P. 1900. A trip to Fauquier County, Virginia: with notes 

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Fitch, H. S. 1980, Thamnophis sirtalis. Cat. Amer. Amph. Rept. 

 270.1-270.4. 



Hoffman, R. L. 1979. A new locality (county) record for the pine 

 woods treefrog in Virginia. Virginia Herpetol. Soc. Bull- 

 88:1-2. 



