302 Mr. Bell on the Box Tortoises. 



Fam. EMYMDiE. 



Subfam. SxERNOTHiERlNA. 



Digiti distinct!, acute unguiculati. 



Rostrum corneum. 



Scuta dorsalia, tredecitn. 



Sternum uni-valve sou bi-valve ; valvis ligamenfo coarticniatis, 

 quasi super cardinem se vertentibus ; et testam subinde plus 

 minusve 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- 

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

 totally closing the shell. 



Testudo. Auct. 

 Terrapene. Merrem. 

 CisTUDA. Say. 



Genus L KINOSTERNON. Spix. 



Sternum bivalve : lobus medius fixus ; anterior et posterior 

 mobiles, ligamcntis ad lobum medium articulatae. 



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

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

 are articulated by a ligament. 



Species I. 



Shavianum. K. testa elongato-ovata^ tricarinata; scutis omnibus 

 imbricatisy marginalibus 23 ; sterna postice bifiilo. 



Testudo Pennsylvanica var ; Sham Gen* Zool. III. par. I. p. 

 61. tab. 15. 



Habitat ? 



Mus. nost. 



