^ Mr. Bell on the Box Tortoises, 



Fam. Emydtd.^. 

 Subfam. Sternoth/ERINa. 



Digiti distincti, acut6 unguiculati. 



Rostrum corneum. 



Scuta dorsalia, tredecim. 



Sternum uni-valve seu bi-valve ; valvis ligamento coarticulatis, 

 quasi super cardinem se vertentibus ; et testam subinde plus 

 ininusvc arete claudentibus. 



Toes distinct, with sharp claws. 



Beak horny. 



Scales of the disk thirteen. 



Breast plate consisting of one or two valves, united by a liga- 

 ment moving as if on a hinge, and thus capable of partially or 

 totally closing the shell. 



Testudo. Auct. 

 Terrapene. Merrem. 

 Ctstupa. Say. 



Genus I. KINOSTERNON. Spix. 



Sternum bivalve : lobus medius fixus ; anterior et posterior 

 mobiles, ligamentis ad lobum medium articulatae. 



Breast plate, consisting of three distinct lobes, the middle one 

 fixed, to which the anteriour and posteriour, which are moveable, 

 are articulated by a ligament. 



Species I. 



Shavianum. K, testa elongato-ovat&y trkarinata; scutis omnibus 

 imbrkatisy marginaltbus 23 ; sterno postke bijido, 

 y/' Testudo Pennsylvanica var : Shaw Gen, ZooU III. par, I. p. 



(51. tab. 15. 



Habitat ? 



Mus, nost. 



