13. PSEUDOXENODON. 271 



deep or deeper than long ; one prseooular ; three postoculars ; tem- 

 porals 2 + 2 ; eight upper labials, fourth and fifth entering the eye ; 

 four or five lower labials in contact with the anterior chin-shields, 

 which are a little shorter than the posterior. Scales more or less 

 strong! J? keeled, in 19 rows anteriorly, in 17 on the middle of the 

 body. Ventrals 1 58-173 ; anal divided ; subcaudals -55-75. Brown 

 or olive above, with or without a dorsal series of reddish-brown or 

 orange spots and a dorso-lateral series of black spots ; a more or 

 less distinct chevron-shaped dark marking, pointing forwards, may 

 be present on the nape ; anterior part of belly with large quadran- 

 gular blackish-brown spots, posterior part and lower side of the 

 tail clouded with browu. 



Total length 99U millim. ; tail 180. 



Himalayas, Khasi Hills, hills of S.W. China and Burma. 



.;. 9 (V. 164 : C. 6.3). Nepal. B. H. Hodgson, Esq 



[P.]. 



b-d. c? (V. 17.3, 160; Darjeeling. T. C. Jerdon, Esq. 



C.73,6rf)&S(V. 165; [P.]. 



0. 68). 



e-f. (J {V. 160 ; C. ?) Darjeeling. W. T. Blanford, Esq. 



&vg. (V.160; 0.57). [P.]- 



(J. ?"(V. 172; C.?). Sikkim. Messrs. v. Scblagin- 



tweit [0.]. 



/i. 9 (V. ca. 175; C. 69). Sikkim. Sir .J. [looker [P.]. ) 



i-k. d (Y-164; 0. ?) & Khasi Hills. Sir , I. Hooker [P.]. ^ 



9 (V. 167 ■ 0. 60). (Types of A', macrophthalmm.) \ 



I 9 CV.'l72; 0.65). Kliasi Hills. T. 0. Jerdon, Esq. 



' * ^ ' [P.]. 



m-n 2 rv. 158, 158; Kia-tiang-fu, Prov. A. E. Pratt, Esq. 



0'p,5.5). Sze Ohuen, 1070 feet. [0.]. 



2. Pseudoxenodon dorsalis. (PLiiE XVII. fig. 2.) 



Xenodon maerophthalmns, part., Ounth. Cat. p. 58 (1858). 

 Tropidonotus dorsalis, GiXnth. Rept. Brit. Ind. p. 263 (1864). 



Rostral broader than deep, just visible from above ; internasals 

 a little shorter than the prsefrontals ; frontal a little longer than 

 broad as lou<>- as its distance from the end of the snout, shorter 

 thau the parietals ; loreal deeper than long ; one prse- and two or 

 three postoculars; temporals 2 -f 2 ; eight upper labials, fourth and 

 fifth entering the eye; four lower labials in contact with the 

 anterior chin-shields, which are shorter tlian the posterior. Scales 

 feebly keeled on the back, smooth on the sides, in 17 rows ante- 

 riorly in 15 round the middle of the body. Ventrals 140; anal 

 divided ■ subcaudals 51. Brownish grey above, with a dorsal series 

 of pale yellowish (reddish) transverse spots; upper surface of tail 

 with a yellowish, black-edged stripe ; a A-shaped blackish band on 

 the nape confluent with a more indistinct one on the back of the 

 head • a blackish band from the eye to the angle of the mouth ; 

 upper lip yellowish, the labials with fiuo black lines at the sutures ; 



