88 



TESTUDINTD."E. 



8. MALACOCLEMMYS. 



Emvs ptirt., Bum. Zool. Anal. p. 70 (IdUGj ; Duni. ^- Blbr. ii. p. 232 



(i8:M). 

 Cleiuravs, part., Warjler, Si/st. Amph. p. 136 (1830) ; Straiich, Chelon. 



Shuf. p. -28 (1802), 

 Terrai)i-ne (uon Men:), part., Bonap. Osserv. s. see. Ed. d. JR. A. 



p. 1">;5 (1830). 

 Malaclemys, Graij, Cat. Tort. p. 28 (1844), and Sh. Rept. i. p. 37 



(1855), and Suppl. p. 41 (1870). 

 Grapteinys, Arjan^iz, Contr. N. H. U. S. i. p. 43G (1827) ; Gray, 



Suppl. Cat. Sh. Rept. i. p. 45. 

 IMalacocleniniys, Affossiz, I. c. p. 437. 



Neural plates hcxaj?onal, sliort-sided in front. Plastron exten- 

 sively united to the carapace by suture, with feeble axillary and 

 in2;uinal peduncles, the latter anchyloscd to the fifth costal plate ; 

 eiitoplastron anterior to the humero-pectoral suture. Skull with a 



Pig. 25. 



Skull of Malacodemmys terrapcn. (From Gray. P. Z. S. 18G0.) 



bony temporal arch : alveolar surface very broad, without median 

 ridge ; choanu; behind the le\'el of tlie eyes. Ujiper surface of head 

 covered with undivided skin. Digits webbed. Tail short. 

 North America. 



