331 



an interorbital; chin and throat dark, marbled with white. 

 Young specimens usually with symmetrical black spots on the 

 plastron; a pair of black spots in front of the tail and a black 

 band on the posterior side of the thighs. Length of disk 200 mm. 

 Habitat: Timor. — Annam; Batanes Islands; Formosa; 

 Japan; China. 



3. Pelochelys Gray. 



(Gray, Proc. Zool. Soc. London p. 89, 1864). 



Orbits nearer the nasal than the temporal fossa; postorbital 

 arch as broad as the diameter of the orbit; bony choanae be- 

 tween the orbits; jaws weak; proboscis short. Eight neural plates; 

 last pair of costals forming a suture. Four plastral callosities 

 developed; median continuation of the hypoplastron present. 



Distribution. India; Archipelago; Philippines. 



A single species. 



I. Pelochelys cantori Gray. 



Pelochelys cantorli^ Gray, Proc. Zool. Soc. London 1864, p. 90. 

 Pelochelys cantoris^ Boulenger, Cat. Chel. 1889, P- 263 (s. syn.). 

 Pelochelys cantorii^ Siebenrock, Zool. Jahrb. Suppl. X 1909, p. 607 (s. syn.). 

 Pelochelys cantorii^ Annandale, Rec. Ind. Mus. VII part II 1912, p. 168. 



Dorsal disk flat, oval; eight pair of costal shields, the last 

 pair forming a suture; a single neural between the first pair 

 of costals; the plates coarse and vermiculate. Dorsal skin in 

 young specimens tuberculate. Epiplastra small, widely separated; 

 entoplastron forming a straight 

 or an acute angle; four callosities 

 well developed. Head moderate; 

 proboscis short; snout short and 

 broad; interorbital space broader 

 than the greatest diameter of the 

 orbit; lower jaw narrowest at the 

 symphysis; neck with a few 

 fringes of the skin on each side. 

 Tail very short. Limbs with three 

 claws. 



Olive or brown above, uniform 

 or spotted with dark brown; yellowish below. Young specimens 

 with lips and throat speckled with white. Length of disk 

 1290 mm.; breadth 740 mm. 



Habitat: Sumatra (Upper Langkat, Wampu river near 



Fig. 128. Pelochelys cantori Gray. 

 Head and neck, X %• 



