10 SPHARGIDiE. 



humerus aud the proportions of the phalanges, the fore limb differs 

 in the radius and ulna l)eing suljecjual in length and placed side by- 

 side in a horizontal piano, and in the fifth metacarpal, instead of 

 the first, being the shortest ; also in the absence of synovial articu- 

 lations between the phalanges. Kine carpal bones, the centrale 

 being present in the British Museum skeleton as well as in that 

 figured by Gcrvais. Two tarsal bones in the proximal row, four in 

 the distal (five in Gervais's figure). 



1. Dermochelys coriacea. 



Testudo coriacea, Linn. S. N. i. p. 350 (1766) ; Schoepff, Test. p. 123, 



pi. xxix. (1792) ; Daml. llepf. ii. p. 62,_pl. xviii. fig. 1 (1802).*^ 



arcuata, Cateshy, Nat. llint. Carol, ii. p. 40 (1771). 



Chelonia coriacea, Schwcn/f/. Prodi: p. 20 (1814). 



Spliargis mercurialis, Mcrr. Tent. p. 19 (1820) ; Schleg. Faun. Japon., 



liept. p. 6, pis. i.-iii. (1838). 

 Coriudo coriacea, Harlan, Jonrn. Ac. I'hilad. vi, p. 37 (1827). 

 Sphargis tuberculata, frrarenh. Dclic. 3Ius. Vratisl. p. 9 (1829). 

 Derniatochelys porcata, Wayl. Syst. Amph. pi. i. tigs. 1-23 (18-'i0). 

 Spliargis coriacea, Gray, Si/n. liept. i. p. 51 (1831); Dam. i^- Bibr. 



ii. p. 500, pi. xxiv. fig. 2 (1835) ; Bell, Brit. Rept. p. 11, fig. (ls.'59) ; 



Bonap. Icon. Faun. Ital. pi. — (1841) ; Holhr. N. Am. Ilcrp. ii. 



p. 45, pi. vi. (1842) ; Gray, Cat. Tort. p. 51 (1844), and Sh. Rept. 



i. p. 71 (1855) ; Ayas.^iz, Contr. N. II. U. S. i. p. 373 (1857); 



Gray, Suppl. p. 119 (1870) ; Gervais, JV. Arch. Mus. viii. p. 199, 



pis. v.-ix. (1872) ; Schreib. Ilcrp. Eur. p. 509 (1875) ; Garman, 



Bull. U. S. Nat. Mus. no. 25, p. 303 (1884) ; JVICoy, Prodr. Zool. 



Vict. pis. xlii. & xliii. (1885). 

 Dermatochelys coriacea, Strauch, Chelon. Stud. p. 180 (1862), and 



Verth. Schildkr. p. 133 (1865); GUnth. Rept. Brit. Ind. p. 55 



(1864). 



Fore limbs as long as the dorsal shield in the young, shorter in 

 the adult. Colour dark brown, iinit'orm or spotted with yellow ; 

 the longitudinal series of enlarged tubercles and the border of the 

 liml)s yellowish in the young. 



The largest specimen in the collection is nearly 2 metres long. 



Generally distributed between the tropics ; an accidental visitor to 

 the temperate coasts. 



Sir A. Smith [P.]. 



A. S. G. Jayakar, Esq. [P.]. 



0. I\r. Woodlord, Esq. [0.]. 



