43 



CHELONIA CARETT A.— Limimis. 

 Plate P'l. 



Characters. Head of great size; upper jaw nearly straight; lower more or 

 less hooked; shell elongated, subcordiform, smooth, with a crescentic notch in the 

 posterior border; vertebral plates five; lateral plates ten, not imbricated; mar- 

 ginal twenty-five; two spines to each extremity. 



SrNONTMES. Loggerhead Turtle, Cateshy, Carolina, &c., vol. ii. p. 40, pi. xl. 

 Testudo caretta, Lin., Syst. Nat, torn. i. jj. 351. 

 Testudo caretta, Gmel., ed. Syst. Nat. Lin., torn. i. part iii. p. 1038. 

 La Caouana, Lacip., Quad. Ovip., torn. i. p. 96. 

 Testudo caretta, Schoepff, Hist. Test., p. 67, tab. xvi. 

 Testudo caretta, Latr., Hist. Nat. Rep., torn. i. p. 33. 



Testudo caouana. Baud., Hist. Nat. des Rept., torn. ii. p. 54, tab. xvi. fig. 2. 

 Testudo caretta, Shaiv, Gen. Zool., vol. iii. part i. p. 85, pi. xxiii., xxiv., xxv. 

 Chelonia caouana, Schweig., Prod. Arch. Konigsb., vol. i. p. 292, 418. 

 Caretta cephalo, Merreni, Versuch. eines Syst. der Amph., p. 133. 

 Chelonia caouana, JVagler, Natur. Syst. der Amph., p. 133. 

 Chelonia caouana, Gray, Synops. Rept., p. 53. 



Chelonia caouana, Dum. et Bib., Hist. Nat. des Rept., torn. ii. p. 552. 

 Loggerhead Turtle, Vulgo. 



Description. The shell is subcordiform, slightly concave in front and over the 

 shoulder, and with a deep crescentic notch behind. The anterior vertebral plate 

 is hexagonal, with its largest border in front, and slightly arched forwards, and is 

 most extensive in the transverse direction. The second and third plates are 

 hexagonal, elongated, much the most extensive in the longitudinal direction, with 



