TAB VII. 



Chelone convex a. 



Fig. 



1. Upper view of the carapace, nat. size. 



2. Under view of the plastron, nat. size. 



The letters and figures indicate the same parts as in the previous subjects. 

 53. The humerus. 64. The pubis. 65. The femur. 



3. Under view of the symphysis and part of the rami of the lower jaw. 



4. Outline of the curve of the carapace. 



