3. BATAGim. ni 



a 



Hot., stftd. Sarawak. A. R. Russell, Esq. [C.]. (Type.) 



b. Ad., f^tfld. Pinaiiji-. Dr. Cantor. 



c. Yg., spir. I'iuan;,''. l)i'. Cantor. (One of the typed of 



Tdraonyx ojffi)tuv.) 



d. Yg., dry. ? (Type of Kachurja vwjor.) 



3. BATAGUR. 



Emys, part.. Gray, Sipi. Rept. p. 20 (1831). 



Tetraonyx ()ion Lair.), Lesson, in Bt'laix/. Voi/. Lid. Or., Zool. p. 207 

 (1834); L)inn. ^- Uiln: ii. p. 337 (1835); Gray, Cat. Tort. p. 29 

 (1844) ; Anderson, Zool. Res. Yunnan, p. 771 ( 1879). 



Batagur, jjart.. Gray, Cat. Sh. Rept, i. p. 35 (1855) ; CJilnth. Rept. 

 Brit. Ind. p. 37 (l8G4) ; Anders. I. c. p. 729. 



Clemniys, part., Straitch, Chehm. Stud. p. 28 (18G2). 



Batagur, Gray, Suppl. Cat. Sh. Rept. i. p. 51 (1870). 



Neural plates elongate, hexagonal, short-sided in front. Plas- 

 tron extensively united to the carapace by suture, with extremely 

 developed axillary aud inguinal buttresses, the former connected 

 with the first rib, the latter anchylosed between the fifth and 

 sixth costal plates; entoplastron anterior to the humcro-poctoral 

 suture. Skull with a bony temporal arch ; alveolar surfaces very 

 broad, of upper jaw with two strong, slightly denticulated median 

 ridges ; edge of jaws denticulated ; choana) behind the level of the 

 eyes. Limbs somewhat approaching the paddle-shape, very broadly 

 webbed, with four claws. Tail very short, not longer in the young 

 than in the adult. 



Bengal, Burma, Malay Peninsula. 



1. Batagur baska. 



Emys batagur. Gray, Si/n. Rept. p. 23 (1831), and Lll. Ind. Zool. ii. 



pi. lix. (1834). 



baska, Gray, I. c. p. 24, and 111. Ind. Zool. i. pi. Ixxv. (1832). 



Trionyx cuvieri. Gray, Syn. Rept. p. 50. 



Tetraonyx longicollis. Lesson, in Beluny. Voy. Lid. Or., Zool. p. 297 



(1834). 



lessonii, Dum. ^- Bibr. ii. p. 338, pi. xvi. fig. 1 (1835). 



baska, Dum. 4'" Bibr. t. c, p. 341 ; Theob. Cat, Rept, Brit. Ind. 



p. 25 (1876). 



batagur. Gray, Cat. Tort. p. 29 (1844). 



afRuis, part., 'Cantor, Cat, Mai. Rept. p. 6 (1847). 



Batagur baska, Gray, Cat. Sh. Rept. i. p. 35, pi. xvi. (1855) ; Giinth, 

 Rept. Brit. Ind. p. 37, pi. iii. fig. B (18C4) ; Gray, Siq}pl. Cat. Sh. 

 Rept. i. p. 52 (1870). 



Clemmys longicollis, St ranch, Chelon. Stud. p. 33 (1862). 



Batagur (Tetraonvx) baska, Anders. Zool. Res. Yunnan, p. 771, pis. 

 ixvi. & Ixvii. (1879). 



Carapace moderately depressed, with a vertebral keel in the 

 young, which disappears in the adult ; nuchal broader than long ; 

 first vertebral as broad in front as behind, or a little broader ; 

 vertebrals 2 to 4 subequal, much broader than long in the young, 

 nearly as long as broad and as broad as the costals in the adult ; 

 the postero-lateral border of the third vertebral strongly concave. 



