58 TESTUDINID A. 
Carapace elevated, tectiform, the keel ending in an elevated 
pointed nodosity on the third vertebral shield, forming a strong 
ridge on the two last vertebrals; posterior margin very strongly 
serrated ; 26 marginal shields instead of 24 as in all other species 
of the genus; first vertebral shield much 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 humerals; suture between 
eulars and humerals forming a right angle; inguinal and axillary 
large. Carapace olive-brown, usually with a lighter streak along 
the keel; plastral shields dark brown with a broad yellow border. 
Length of shell 183 centim. 
Assam. 
a,b,c. Ad. & hgr., Sylhet, a stream at thefoot .C. Jerdon, Esq. 
shells. of the Khasi Hills. [P.]. (Types.) 
d. Hegr., shell. Assam. 
6. Kachuga intermedia. 
Emys (Pangshura) tectum, var. intermedia, Blanf. Jowrn, As. Soc. 
Beng. xxxix. p. 339, pl. xiv. (1870). 
Shell as in A. tectum, 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 conyex line on the occiput; limbs uniform olive. 
Length of shell 11 centim. 
Bilaspoor, Central India. 
7. Kachuga tectum. 
Emys tecta, Gray, eae Rept. p. 23, pl. v. (1881), and il. Ind. Zool. 
i. pl. Ixxii. (1882); Dum. § Bibr. ii. p. 821 (1835) ; Gray, Cat. 
Tov. 15 (1844) ; Blyth, Journ. As. Soe. Beng. xxii. p. 643 
(1853) 
trigibbosa, Lesson, Bull. Se. Nat. xxv. p. 120 (1831), and in 
Bélang. Voy. Ind. Or. , Rept. p. 29 (1884). 
tentoria, Gray, Proc. Zool, Soc. 183 , p. 54, and Cat. Tort. 
p- 15; Blyth, 1. e. 
Batagur tecta, Gray, Cat, Sh. Rept. i. p. 36 (1855). 
“tentoria, Grays parol. 
Emys namadica, Theob. Mem. Geol. Surv. Ind. ii. p. 295 (1860). 
Clemmys tectum, Strauch, Chelon. Stud. pp. 38, is (1862). 
tentoria, Strauch, L ¢. p. 33. 
Pangshura tecta, Giinth. Rept. Brit. Ind. p.38 (1864) ; Gray, Suppl. 
