24, TRACHI8CHITJM. 299 



a-b. S (V. 132 ; C. 38) Darjeeling. W. T. Blauford,"! 



& $ (V. 145 ; C. 3.5). Esq. [P.]. 



c. Yo-. (V. 135; C. 34). Darjeeling. Col. Boddome [C.]. HTvpes.) 



d. 6 (V. 139; C. 33). Sikkim. Messrs. v. RcUag-- | 



intweit [C.]. J 



3, Trachischium tenuiceps. 



Calamaria tenuiceps, Bh/th, Journ. As. Sue. Benrj. xxiii. 1854, p. 288. 

 Ablabes tenuiceps, G'mth. Rept. Brit. Tnd. p.' 224 (18G4) ; Theob. 



Cat. llept. Brit. hid. p. 154 (1870). 

 Tracliischium tenuiceps, Boulewj. Fcmn. Ind., Rept. p. 286 (1890). 



Rostral a little broader than deep, visible from above ; suture 

 between the internasals about two thirds the length of that between 

 the prsefrontals ; frontal longer than its distance from the end of 

 the snout, a little shorter than the parietals ; loreal longer than 

 deep ; one prrcocular ; two postoculars ; temporals 1 + 1 or 1 + 2 ; 

 six upper labials, third and fourth entering the eye, first smallest, 

 sixth largest ; four lower labials in contact with the anterior ehin- 

 shields, which arc a little longer than the posterior. Scales in 13 

 rows ; male with keeled scales in the anal and basicaudal regions. 

 Ventrals 134-133 ; anal divided ; subcaudals 34-39. Elackish 

 above, yellowish interiorly. 



Total length 350 millim. ; tail 50. 



Eastern Himalaj'as. 



a. S (V, 133 ; C, 39), Nepal, B, H. Hodgson, Esq, [P,]. 



h-c. S (V, 135 ; C. 37) Darjeeling. T. C. Jerdon, Esq. [P.J. 



vl' $ (V. 134 ; C. 34). 



4. TracMschium monticola. 



Calamaria monticola. Cantor, Proc. Zool. Soc. 1839, p. 50, 

 Cvclophis monticola, Gilnt/i. Rept. Brit. Ind. p. 232 a864) ; Theob. 



'Cat. Rept. Brit. Ind. p. 158 (1876). 

 Ablabes albiventer, Giinth. Proc. Zool. Soc. 1875, p. 231. 

 Trachischium monticola, Bouleng. Faun. Ind., Rept. p, 286 (1890). 



Rostral deeper than broad, visible from above ; suture between 

 the internasals about half as long as that between the praefrontals ; 

 froutal longer than its distance from the end of the snout, shorter 

 than the parietals ; loreal longer than deep ; one praeocular ; two 

 postoculars, rarely one; temporals 1 + 1; six upper labials, third 

 and fourth entering the eye, first smallest, sixth largest ; four lower 

 labials in contact with the anterior chin-shields, which are a little 

 longer than the posterior, Scales in 15 rows. Yentrals 113-1.35 ; 

 anal divided ; subcaudals 28-44. Dark brown above, with two 

 more or less distinct pale brown longitudinal bands edged on each 

 side with a black line : yellowish inferiorly ; young -with an inter- 

 rupted yellow collar. 



Total length 230 millim. ; tail 30. 



Darjeeling, Xaga Hills, Assam. 



