4. 
PLATE 3. 
Emys levis, two thirds the nat. size. 
Upper view of carapace. 
. Under view of plastron. 
Side view 
Front view, showing the curvature and depth of the specimen. 
The letters and figures signify the same parts as in the preceding Plate; 4p, the 
accessory pieces of the plastron (fig. 2). 
