24 CHELONIA. 



narrow interorbital bar, and the abrupt deflection of the 

 nasal region characteristic of the genus. It is figured by 

 the writer in the ' Eec. Geol. Surv. Ind.' vol. xxii. p. 56 ; 

 from whence the accompanying woodcut is reproduced. 



Purchased, 1882. 



39618. The imperfect shell of an adult individual ; from the Plio- 

 (Fig.) cene of the Siwalik Hills, India. Described and figured 

 by the writer in the ' Palseontologia Indica,' ser. x. 

 vol. iii. p. 197, pi. xxvi. fig. 1. The plastron is well pre- 

 served and shows the large entoplastral callosity distinctive 

 of this species. Nearly all the peripheral bones are 

 wanting from the posterior border of the carapace. 



Presented by General Sir W. E. Baker. 



39833. The imperfect shell of an equally large individual ; from the 

 Siwalik Hills. Noticed by the writer, op. cit. p. 198. 

 The plastron has been crushed in, and the entoplastral 

 callosity is wanting, so that the specimen cannot be speci- 

 fically distinguished from E. granosa. 



Oautley Collection. Presented, 1840. 



R. 1442. The right half of the nuchal bone of a very large indi- 

 vidual ; from the Pleistocene of the Narbada Yalley, India. 

 Presented by C. Eraser, Esq., 1849. 



R. 1441. The imperfect conjoint hyo- and hypoplastral of the right 

 side ; from the Siwaliks. Cautley Collection. 



R. 1441 c. The imperfect right half of the nuchal ; from the Siwaliks. 



Cautley Collection. 



R. 1441 b. The right anterior marginal bone ; from the Siwaliks. 

 Closely resembles the specimen figured by the writer, 

 op. cit. pi. xxvi. fig. 4. Cautley Collection. 



48445. A smaller specimen of the same bone ; from the Siwaliks. 



Cautley Collection. 



The following specimens may be specifically distinct. 



R. 1441 a. The anterior extremity of the right anterior marginal 

 bone of a large form ; from the Siwaliks. 



Cautley Collection. 



R. 1441 d. The anterior extremity of the homologous bone : from 

 the Siwaliks. Cautley Collection. 



