2G4 



TKIONYCHIBJE. 



1. Cliitra indica. 



Trionj'x indicus, Gray, Syn. liept. p. 47 (1831). 



ffit^ptiacus, var. indicus, Gray, III. Ind. Zool. i. pi. Ixxx. 



(1832). 



Gymnopus lineatus, Dwn. S( Bihr. ii. p. 491 (1835). 

 Chitra indica, part., Gray, Cat. Tort, p. 49 (1844), and Sh. Eept 

 i. p. 70, pi. xlii. (1855) ; Giinth. Hcpt. Brit. Lid. p. 60 (1k(>4). 



indica, Gray, Froc. Zool. Soc. 1804, p. 91, figs., and Suppl. 



Cat. Sh. Rei)t. i. p. 89 (1870) ; Theob. Cat. Bept. Brit. Ind. p. 27 

 (1876). 



Fig. 70. 



Skull of Chitra indica. (From Gray, P. Z. S. 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 ; 

 cntoplastron 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. 



