46 



PLATYSTERXIDJE. 



Throat with round flat tubercles. Anterior surface of arm with 

 large squarish scutes. Hinder side of thighs with large conical 

 tubercles. Tail at least as long as the shell. Carapace and soft 

 parts of adult olive-brown ; plastron yellowish brown. Young 

 more elegantly marked : Upper surface of head and neck and 

 carapace olive-brown, with a few dark brown dots on the crown 

 and one in the centre of each costal scute ; the edge of the carapace 

 yellow ; jaws yellow ; a yellow black-edged streak on each side along 

 the temple ; sides and lower surface of neck and limbs whitish ; 

 upper surface of limbs blackish : plastron yellow, with a symmetrical 

 black marking along the middle ; tail blackish above, yellow with 

 a black median line beneath. 



Head and neck 3 inches, carapace 6, tail 6^. 



Fig. 14. Shell of Platysternum megacephalum. 



A rare tortoise, found in streams in Burma and Siam ; the speci- 

 mens on record are mostly from Pegu and Tenasserim. It is also 

 known from Southern China, where, according to Svvinhoe (P. Z. S. 

 1870, p. 409), it occurs in the western parts of Kwangtung Province 

 and in Kwangse. 



