23 



KINOSTERN ON.—Spix. 



Genus Kinosternon. — Characters. Head subquadrangular, pyramidal, covered 

 with a single plate; jaws slightly hooked, warts at the chin, marginal plates twenty- 

 three; sternum subdivided into three sections, anterior and posterior moveable, 

 central fixed; plates of sternum eleven; supplemental plates very large; tail long. 



KINOSTERNON PENNSYLVANICUM.— £rfMj«rrfs. 



Plate III. 



Characters. Head large, upper and lower jaw hooked; shell oval, smooth, 

 ecarinate, entire; vertebral plates depressed, subimbricate; sternum of three pieces, 

 anterior and posterior sections moveable, central section fixed. 



Synontmes. Testudo lutaria pennsylvanica, Edw., Glean. Nat. Hist., part ii. p. 77, tab. cclxxxvi. 

 Testudo pennsylvanica, GmeL, Syst. Nat. Lin., vol. i. p. 1042. 

 La tortue rougeatre, LacSp., Quad. Ovip., torn. i. p. 132. 

 Mud tortoise, Penn., Arc. Zool., suppl. p. 80. 



Testudo pennsylvanica, Schoepf, Hist. Test, p. 107, tab. xxiv. fig. A. 

 Testudo pennsylvanica, Latr., Hist. Nat. des Rept, torn. i. p. 1 33. 

 Testudo pennsylvanica, Daud., Hist. Nat. des Rept, torn. ii. p. 1S2. 

 Testudo pennsylvanica, Shaiu, Gen. Zool., vol. iii. p. 60, pi. xiv. fig. 2. 

 Le rougeatre, Bosc, Nouv. Diet d'Hist. Nat, torn, xxxiv. p. 367. 

 Terrapene pennsylvanica, Merr., Versuch. eines Syst. der Rept, p. 27. 

 Emys pennsylvanica, Schweig., Prod. Arch. Konigsb., vol. i. p. 155. 



