GO TESTTJnrNIT).^. 



2. CALLAGUR. 



("l.'iiniiy.-, part., Strauch, Chclon. Sti/d. p. :28 (1862). 

 J'.jitajrur, part., Gilnth. Jiept. Brit. Ind. p. 37 (1864). 

 Kaclniga, ]iart., firay, Proc. Zool. Soc. 186J), p. 200. 

 Callagiir, Gray, Suppl. Cat. >Sh. liept. i. p. 53 (1870). 

 Cnntorella, Gray, I, c. p. 68. 



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

 extensively united to the carapace by suture, with extremely deve- 

 loped axillary and inguinal buttresses, the former connected with 

 tlic first rib, the latter anchylosed between the fifth and sixtli costal 

 plates ; entoplastron anterior to the humero-pectoral suture. Skull 

 with a bony temporal arch ; alveolar surfaces broad, of upper jaw with 

 a median ridge ; edge of jaws denticulated ; choante between the eyes. 

 Upper surface of head covered with undivided skin. Digits very 

 broadly webbed. Tail very short, not longer in the young than in 

 the adult. 



Malay Peninsula ; Borneo. 



1. Callagur picta. 



Emys trivittata (non D. ^- B.), Cantor, Cat. Mai. Rept. p. 4 (1847). 

 Tetraonyx afHnis, part.. Cantor, I. c. p. 6. 

 Batag-ur picta, Grai/, 1^-oc. Zool. Soc. 1802, p. 204. 



affinis, Gilnth. liept. Brit. Ltd. p. 40, pi. iii. fig. C (1864) ; 



T/ieob. Cat. Rept. Brit. Ind. p. 19 (1870). 

 Clenimys grayi, Strauch, Verth. Schildkr. p. 88 (1865). 

 Kaclmga afBnis, Gray, Proc. Zool. Soc. 1809, p. 203. 

 Callagur picta. Gray, Suppl. Cat. Sh. Rept. i. p. 63 (1870). 

 Cantorella afRuis, Gray, I. c. p. 58. 



Kachuga major, Gray, Ann. ^- May. N. H. (4) xi. p. 300 (1873). 

 Tetraonyx pictus, Theob. I. c. 



Carapace with a strong continuous vertebral and a feeble inter- 

 rupted costal keel in the young ; these keels disappearing in the adult ; 

 nuchal absent or extremely small and linear; first vertebral as 

 broad in front as behind, or a little broader ; vertebrals 2 to 4 

 subcqual in length, much broader than long in the young, nearly 

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

 postero-latcral border of the third vertebral concave. Plastron 

 large, strongly angulated laterally in the young, convex in the 

 adult, truncate anteriorly, notched posteriorly ; the width of the 

 bridge exceeds the length of the posterior lobe ; the longest median 

 suture is that between the abdominals, the shortest that between 

 the gulars, which is about half that of the interhumeral suture : 

 inguinal large, axiUary smaller, llcad rather small ; snout pointed, 

 produced ; jaws with denticulated edge, upper feebly notched 

 mcsially ; the width of the lower jaw at the symphysis is a little 

 less than the diameter of the orbit. Limbs with transversely en- 

 larged, band-like scales. Brown above, yellowish inferiorly ; cara- 

 pace with three broad blackish longitudinal bands. 



Length of shell 42 centim. 



Malay Peninsula and Borneo. 



