264 TRIONYCHID.. 
1. Chitra indica. 
Trionyx indicus, Gray, Syn. Rept. p. 47 (1831). 
eegyptiacus, var. indicus, Gray, Ill. Ind. Zool. i. pl. lxxx. 
1832). 
ae lineatus, Dum. § Bibr. ii. p. 491 (1835). 
Chitra indica, part., Gray, Cat. Tort. p. 49 (1844), and Sh. Rept. 
i. p. 70, pl. xi. (1855); Giinth. Rept. Brit. Ind. p. 50 (1864). 
indica, Gray, Proc. Zool. Soc. 1864, p. 91, figs., and Suppl. 
Cat. Sh. Rept. i, p. 89 (1870) ; Theob, Cat. Rept. Brit. Ind. p. 27 
(1876). 
Fig. 70. 
ui, 
Skull of Chitra indica. (From Gray, P. Z. 8. 1864.) 
Costal plates eight pairs, the last well developed and forming a 
median suture ; a single neural between the first pair of costals ; 
plates coarsely pitted and vermiculate. Epiplastra widely separated ; 
entoplastron forming an acute angle; plastral callosities largely 
developed. Head small, with extremely short snout; interorbital 
space considerably narrower than the greatest diameter of the orbit. 
