Williams, K. L.

1957. Yolk retraction as a possible cause of kyphosis in turtles. Herpetologica, 13(Pt. 3):236, October 31.

Wood, L. W.

1959. New Ohio county records in the herpetology collection of the Cleveland Museum of Natural History. Jour. Ohio Herp. Soc., 2(2):8, September.

Wright, A. H.

1919. The turtles and the lizard of Monroe and Wayne counties, New York. Copeia, 1919(66):6-8, February 25.

Wright, A. H., and Funkhouser, W. D.

1915. A biological reconnaissance of the Okefinokee Swamp in Georgia. The reptiles. Proc. Acad. Nat. Sci., Phila., 67:107-92, 14 figs., 3 pls., April 23.

Yarrow, H. C.

1882. Check list of North American Reptilia and Batrachia, with catalogue of specimens in the U. S. National Museum. Bull. U. S. Nat. Mus., 24:vi + 249 pp.