( iii ) 

 Family BATAGURID^. 



Chelonians mostly of large size with strong shells. 

 Herbivorous. 



Pangshura. 

 Fourth vertebral narrow before, decantershaped. 

 Back strongly ridged ... P. tectum. 



Back flat ... P. tentoria. 



Shell globose ... P. flavi venter, 



MORENIA. 



Shell ocellated. Small. 

 Colour pale greyish brown . . . M. Berdraorei. 



Colour dark ... M. ocellata. 



Bataguh. 

 Shell plain or striped, large. Claws 5'4. 

 Colour, above uniform brown ; beneath 



yellowish ... B. kachuga. 



Colour green, with thin black bands. 



Nuchal none . . . B. aflfinis. 



Colour green, with three black bands. 



A small nuchal . . . B. trivittata. 



Colour gray, with three black bands ... B. dhongoka. 



Colour deep blackish brown . . . B. Thurgi. 



Colour gray brown above, yellow beneath. 



Vertebrals keeled ... B. dentata. 



Colour, above brown, beneath yellow. 



Nuchal triangular ... B. fusca. 



Tetraonyx. 

 Shell as in Batagur, but claws 4'4. 

 Uniform brown ... T. baska. 



Family PLATYSTERNID^. 



Platysternon. 

 Head covered by a horny case. 

 Head large, covered by a horny case ... P. Peguense. 



