C I S T U D A . — Fleming, Gray, Dumeril et Bibron. 



Genus Cistuda. — Characters. Shell gibbous, strong; marginal plates twenty- 

 five; sternum oval, covered with twelve plates, bivalve, both valves movable on 

 the same axis, and joined to each other, and to the shell by ligamento-elastic 

 tissue; anterior extremities with five, posterior with four nails. 



CISTUDA CX^OUNX.— Edwards. 



Plate II. 



Characters. Head elongated, narrow; upper jaw with a broad hook in front; 

 shell gibbous, carinate, entire; sternum with an entire margin, oval, bivalvular, 

 the two valves joined to each other and to the shell by a ligamento-elastic tissue, 

 and movable on the same axis. 



Synonymes. Land tortoise from Carolina, Edwards, Glean. Nat. Hist, p. 205. 

 Testudo Carolina, Linnasus, Syst. Nat., ed. x., vol. i. p. 198. 

 Testudo Carolina, Linnscus, Syst. Nat., ed. xii., vol. i. p. 352. 

 Dosen sehildkrote, Block, Schrift. der Berl. Naturf., fr. vii. p. 131. 

 Checkered tortoise, Pennant, Arct. Zool. suppl., p. 79. 

 Testudo clausa, Grnelin, Syst. Nat, Lin., torn. i. pars iii. p. 1042. 

 Testudo Carolina, Gmelin, Syst. Nat, Lin., torn. i. pars iii. p. 1041. 

 Testudo clausa, Schoejjff, Hist. Test, p. 32, tab. vii. 

 Testudo clausa, Latreille, Hist Nat Rept, torn. i. p. 139. 



