4. HAEDELLA. 



03 



the humerals ; inguinal large, axillary smaller. Ilcad rather small ; 

 snout pointed, produced, directed ujiwards ; jaws with denticulated 

 edge, upper feebly notched mesially : the width of the lower jaw 

 at the symphysis nearly e(|uals the diameter of the orbit. Limbs 

 with transversely enlarged, band-like scales. Upper surface of 

 shell and soft parts olive-brown, lower surface yellowish. 



Length of sliell 'i'i centim. 



Bengal, Burma, Malay Peninsula. 



E. Blyth, Esq. [C.]. 

 W. Tlieobald, Esq. [C.]. 

 Dr. Falconer [P.]. 



W. Theobald, Esq. [C . 

 VV. Theobald, Esq. [C.]. 

 Dr. Cantor. 

 (Two of the types of 

 Tetraonyx aj/inis.) 

 W. Theobald, Esq. [C.]. 



4. HARDELLA. 



Emys, part., Gray, Si/n. Bejd. p. 20 (1831) ; Ihnn. S,- Bihr. ii. 



p. 232 (1835) ; Gray, Cat. Tort. p. 14 (1844), and Sh. liept. i. p. 10 



(1855); Glinth. Rept. Brit. hid. p. 21 (18G4). 

 Clenimys, part., Sfrauch, Chehn. >Stud. p. 28 (1862). 

 Kachuga, part.. Gray, Proc. Zool. iSoc. 18G9, p. 200. 

 Hardella, Gray, Sappl. Cat. Sh. Rept. i. p. 58 (1870) ; Anders. Zool. 



Res. Yunnan, p. 704 (1870). 

 Batagur, part., Anders. /. c. p. 729. 



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

 extensively united to the carapace by suture, with extremely 

 developed axillary and inguinal buttresses, the former connected 

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

 costal plates ; entoplastron anterior to the huraero-pectoral suture. 

 Skull with a bony temporal arch ; alveolar surfaces very broad, of 

 upper jaw with a strong tubercular median ridge ; edge of jaws 

 strongly toothed ; choana3 behind the level of the eyes. Upper 

 surface of snout and crown covered with a single shield, behind 

 which the skiu is corrugated. Digits extensively webbed. Tail 

 short, not longer in the young than in the adult. 



Northern India. 



1. Hardella thurgi. 



Emys thurjii. Gray, Syn. Rept. p. 22 (1831), and III. Ind. Zool. i. 



pi. Ixxiii. (1832) ; Dam. ^- Bihr. ii. p. 318 (1835). 

 ■ flavouigra. Lesson, Bull. Sc Xat. xxv. p. 120 (1831), and in 



Belang. Voy. Ind. Or., Zool. p. 293 (1834). 

 thurgii, Gray, Cat. Tort. p. 17 (1844), and Sh. Rept. i. p. 21 



(1855) ; Giinth. Rept. Brit. Ind. p. 24 (18G4). 

 Clemuiys thurgi, Strauch, Chehn. Stud. p. 32 (1802). 

 Batagur thurgii, Theob. Cat. Rept. As. Soc. Mus. p. 12 (1868), and 



Cat. Rept. Brit. Ind. p. 23 (1876). 



