10 SPHARGIDA, 
humerus and the proportions of the phalanges, the fore limb differs 
in the radius and ulna being subequal in length and placed side by 
side in a horizontal plane, and in the fifth metacarpal, instead of 
the first, being the shortest ; also in the absence of synovial articu- 
lations between the phalanges. Nine carpal bones, the centrale 
being present in the British Museum skeleton as well as in that 
figured by Gervais. 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. 850 (1766); Schoepff, Test. p. 123, 
pl. xxix. (1792); Daud. Rept. ii. p. 62, pl. xviii. fig. 1 (1802). 
arcuata, Catesby, Nat. Hist. Carol. ii. p. 40 (1771). 
Chelonia eoriacea, Schweigg. Prodr. p. 20 (1814). 
Sphargis mercurialis, Merv. Tent. p. 19 (1820); Schleg. Faun. Japon., 
Rept. p. 6, pls. iii. (1838). 
Coriudo coriacea, Harlan, Jown, Ac. Philad. vi. p. 87 (1827). 
Sphargis tuberculata, Gravenh. Delic. Mus. Vratisl. p. 9 (1829). 
Dermatochelys porcata, Wagl. Syst. Amph. pl. 1. figs. 1-28 (1830). 
Sphargis coriacea, Gray, Syn. Rept. i. p. 51 (1831); Dum. § Bibr. 
ii. p. 560, pl. xxiv. fig. 2(1835) ; Bell, brit. Rept. p. 11, fig. 1889) ; 
Bonap. Icon. Faun. Ital. pl. — (1841); Holbr. N. Am. Herp. ii. 
p. 45, pl. vi. (1842); Gray, Cat. Tort. p. 51 (1844), and Sh. Rept. 
1. p. 71 (1855) ; Agassiz, Contr. N. H. U.S. i. p. 373 (1857) ; 
Gray, Suppl. p. 119 (1870) ; Gervais, N. Arch. Mus. vii. p. 199, 
pls. v.-ix. (1872) ; Schreib. Herp. Eur. p. 509 (1875) ; Garman, 
Bull. U.S. Nat. Mus. no. 25, p. 803 (1884) ; M‘Coy, Prod. Zool. 
Vict. pls. xlii. & xiii, (1885). 
Dermatochelys coriacea, Strauch, Chelon, Stud. p. 180 (1862), and 
Verth, Schildkr. p. 1383 (1865); Giinth, Rept. Brit. Ind, p. 55 
(1864). 
Fore limbs as long as the dorsal shield in the young, shorter in 
the adult. Colour dark brown, uniform or spotted with yellow ; 
the longitudinal series of enlarged tubercles and the border of the 
limbs yellowish in the young. 
The largest specimen in the collection is nearly 2 metres long. 
Gencrally distributed between the tropics; an accidental visitor to 
the temperate coasts. 
a, Ad., stftd. Coast of Dorsetshire. 
b. Ad., skel. Atlantic Ocean. 
e. Ad., stffd. Cape of Good Hope. Sir A. Smith [ P.]. 
d. Ad., stffd. Muscat, Arabia. A.8. G. Jayakar, Esq. [P.]. 
e. Ad., skull. Solomon Islands. C. M. Woodford, Esq. [ C. ]. 
Ga e., Spit: —? 
h, Ye., skel. —? 
