Plate 22. Fig. 1. Spiny Soft-shelled Turtle. Am\jJa spinifcra (adult male). Speci- 

 men from southern Michigan. Length of carapace 6^4 inches. Phota by Mark 

 Mooney, Jr. Fig. 2. Spiny Soft-shelled Turtle. Amyda spinifera (adult female). 

 Maumee River at Toledo, Lucas County, August, 1932. Length of carapace 14'/2 

 inches. Photo by L. D. Hiett. 



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