58 TESTTTDINlDJi. 



Carapace elevated, tectiform, the keel ending in an elevated 

 pointed nodosity on the third vertebral shield, forming a strong 

 ridge on the two last vertehrals ; posterior margin very strongly 

 serrated; 2G marginal shields instead of 24 as in all other species 

 of the genus ; first vertebral shield ranch broader in front than 

 behind in the halfgrown specimens, equally broad in front and 

 behind in the adult ; second vertebral shortest, broader than long, 

 ■with straight posterior border ; third vertebral considerably longer 

 than broad, pointed behind, and forming a very narrow suture with 

 the fourth, which tapers anteriorly and equals in length the first 

 and second together: fifth vertebral not broader than fourth, pointed 

 posteriorly. Plastron large, feebly angulated laterally, truncate 

 anteriorly, angularly notched posteriorly ; the longest median suture 

 is that between the abdominals ; suture between the gulars as long 

 as or shorter than that between the hnmerals ; suture between 

 gulars and humcrals forming a right angle ; inguinal and axilhay 

 large. Carapace olive-brown, usually with a lighter streak along 

 the keel ; plastral shields dark brown with a broad yellow border. 



Length of shell Ibg ccntira. 



Assam. 



a, b, c. Ad. & hgr., Sylhet, a stream at the foot T. C. .Terdon, Esq. 

 shells. of the Khasi Hills. [P.]. (Types.) 



d. Hgr., shell. Assam. 



6. Kacliuga intermedia. 



Emys (Pangshura) tectum, var. intermedia, Blanf. Journ. As. Soc. 

 Beng. xxxix. p. 3o9, pi. xiv. (1870). 



Shell as in K. iectum, but second vertebral shield shortest and 

 broader than long. Carapace brown ; plastral shields black, with 

 yellow anterior and lateral margins. Head dull olive, paler below ; 

 a ferruginous spot behind the eye, and three others, less well marked, 

 in a convex line on the occiput ; limbs uniform olive. 



Length of shell 11 centim. 



Bilaspoor, Central India. 



7. Kachuga tectum. 



Emys tecta, Gm]i, Si/n. Rept. p. 23, pi. v. (1831), and III. lad. Zool. 



i. pi. ixxii. (1832) ; Dmn. i^- Bihr. ii. p. 321 (1835) ; Gvmj, Cat. 



Tort. p. 15 (1844); Bliith, Jotirn. As. ^oc. Benn. xxii. p. 043 



(1853). 

 trigibbosa, Lesson, Bull. Sc. Nat. xxv. p. 120 (1831), and in 



Belanf/. Voy. Ind. Or., liept. p. 29 (1834). 



tentoria. Gray, Proc. Zool. Sac. 1834, p. 54, and Cat. Tort. 



p. 15 ; Blyth, I. c. 

 Batagur tecta, Gray, Cat. Sh. licpt. i. p. 30 (1855). 



tentoria, G)-ay, I. c. p. 37. 



Emys namadica, I'licob. Mem. Geol. Surv. Ind. ii. p. 295 (1860). 

 Clennuys tectum, IStrauch, Vhelon. Stitd. pp. 33, 131 (1802). 



tentoria, IStrauch, I. c. p. 33. 



Paugshura tecta, Gihith. liept. Brit. Ind. p. 33 (18C4) ; Gray,Suppl. 



