10. TEOPIDONOTTJS. 251 



a-d. S (V. 180, 181, 181 ; Loo Choo Islands. H. Pryer, Esq. [P.]. 



C. 12],?, 128)& $ (V. (Types.) " 



]76; C. ?). 

 e-f. 2 (V. 177 ; 0. 114) & Great Loo Choc Island. Mr. Hoist [0.]. 



yg. (V. 171 ; 0. 118). 



55. Tropidonotus himalayanus. 



Xenodon macrophthalmus, part., Giinth. Cat. p. 58 (1858). 

 Tropidonotus macrophtlialmus, part., Giinth. JRept. Brit. Ind. p. 262 



(1864). 

 — — himalayanus, Ounth. I. c. p. 265, pi. xxii. fig. H ; Anders. 



Proc. Zool. Soc. 1871, p. 178; StoUczha, Journ. As. Soc. Betiq. 



xl. 1871, p. 434 ; Boideng. Faun. Ind., Bept. p. 347 (1890) ; W. 



L. Sclater, Journ. As. Soc. Banff, ix. 1891, p. 240. 



Eye rather large. Eostral broader than deep, just visible from 

 above ; intern asals about as broad as long, broadly truncate in front, 

 as long as or a little shorter than the prsefrontals ; frontal about 

 once and a half as long as broad, as long as or slightly longer than 

 its distance from the end of the snout, as long as or shorter than 

 the parietnls ; loreal as long as deep or a little deeper than loug ; 

 one (rarely two) prse- and two or three postooulars ; temporals 

 2+2 or 2+3 (rarely 1 + 1); eight (rarely nine) upper labials, 

 fourth and fifth (or fifth and sixth) enterin g the eye ; four or five 

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

 shorter than the posterior. Scales in 19 rows, strongly keeled, of 

 outer row smooth or feebly keeled. Ventrals 158-170 ; anal 

 divided; ^bcaudals 79-90. Olive above, with small dark spots 

 and two longitudinal series of small whitish spots or narrow cross 

 bars ; a more or less distinct blackish blotch on the nape, separated 

 from the head by a yellow or orange collar, which is usually inter- 

 rupted on the middle line; upper labials yellowish, with black 

 sutures ; lower parts yellowish, speckled with brown or black, or 

 nearly entirely greyish olive or blackish. 



Total length 830 millim. ; tail 200. 



Eastern Himalayas and Assam Hills. 



a. 9 (V. 170 ; 0. ?). Nepal. B. H. Hodgson, Esq. [P.]. I 



6 9 (V 170; 0.86). SikMm. Messrs. v. Schlagmtweit [0.1. ( 

 ■ * ^ (Types.) 



e. Yg. (V. 168; 0.88). Sikkim,4000ft. Sir J. Hooker [P.]. 



(One of the types of X. macrophthalinus.) 



d-f. 5 ("V. 168, 164 ; Darjeeling. T. 0. Jerdou, Esq. [P.]. 

 0. 82, 88) & yg. (V. 



-I cQ . ry QQ'\ 



a r? (V. i66 ;' 0. ?). Darjeeling. "W. T. Blanford, Esq. [P.]. 



h. S (V. 160; 0. 79). Khasi Hills. Sir J. Hooker [P.], 



(One of the types of X. maerophthahnus.') 



«■ ^ fV 162- 0.82). Khasi Hills. T. 0. Jerdon, Esq. [P.]. 



h Yg. (V. 166 ; 0. 86). Assam Hills. W. T. Blanford, Esq. [P.]. 



i (J (V. 172 1 0. 92). Assam. 



