286 



Fig. 103. Shields of carapace and plastron. 



n. Nuchal, v. Vertebral, c. Costal. ;;/. Marginal, sc. Supracaudal. 



g. Gular. ig. Intergular. //. Humeral, p. Pectoral, a. Abdominal. 



f. Femoral, an. Anal. 



B. Shell without epidermal shields. 



1. Limbs paddle-shaped, no claws Derviochdyidae p. 312. 



2. Limbs broad and flat, two claws Carettochelyidac p. 322. 



3. Limbs with distinct digits, three claws. . . . Tyionychidae p. 325. 



Fig. 104. a. A high-shelled form {^Testudo etiiys Schleg. & Miill.). 

 I). A flat form (Trionyx ca7-tilagmeus (Bodd.) ). 



