120 CHELONIA. 



and extending over three neural bones. The oral surfaces of the 

 maxillae are very wide, so that the narial passage is extensively floored, 

 and have a median ridge ; while the alveolar edges of the jaws are 

 very strongly serrated. 



In this genus the 3rd vertebral shield has its anterior and posterior 

 borders on the 3rd and 5th neural bones ; whereas in Cachuga 

 (fig. 28) the same borders cut the 3rd and 4th ncurals. 



HarMta tfjurgt, Gray \ 



Syn. Emys thurgi, Gray 2 . 



Batagur thurgi, Theobald 3 , 

 Batagur falconeri, Lydekker 4 . 

 Batagur eautleyi, Lydekker 5 . 

 Clemmys watsoni, Lydekker 6 . 



The type and only known species. Carapace somewhat depressed, 

 with an interrupted nodose carina and entire posterior margin; 

 nuchal shield narrow, widest behind ; 1st vertebral usually narrow- 

 ing in front, with sinuous lateral borders. 



Length of shell of recent female 0,450 (17*7 inches), in male 

 much less. 



Hob. India (Ganges and Indus basins). 



R. 597. Cast of the slightly imperfect cranium. The original was 

 obtained from the Pliocene Siwaliks of the Punjab, and is 

 preserved in the Indian Museum, Calcutta. It is figured 

 by the writer in the ' Paheontologia Indica,' ser. 10, 

 vol. iii. pi. xxv. figs. 2, 2a, as B. falconeri. 



Made in the Museum, 1885. 



39835. The shell of an adult female, imperfect posteriorly, and with 

 {Fig.) the left side of the carapace crushed in ; from the Pliocene 

 of the Siwalik hills. Figured by the writer, op. cit. pi. xxiii. 

 figs. 1, la, and pi. xxiv. fig. 4, as B. falconeri, of which 

 it is the type. This specimen was only separated speci- 

 fically from the existing form with great hesitation. 



Cauiley Collection. Presented, 1840. 



R. 329. Tbe crushed and imperfect shell of a sub adult female ; 

 from the Siwalik Hills. The anterior and posterior ex- 



1 Synopsis Keptilium, p. 22 (1831). — Emys. 2 Loc. cit. 



3 Catalogue of Reptiles Mus. Asiatic Society of Bengal, p. 12 (1868). 



4 Palaeontologia Indica (Mem. Geol. Surv. Ind.), ser. 10, vol. iii. p. 187 

 (1885). 



5 Ibid. p. 194. ° Quart, Journ. Geol. Soc. vol. xlii. p. 510 (1886). 



