a ay 
10. TROPIDONOTUS. 223 
21, Tropidonotus parallelus. (Pare XIII. fig. 2.) 
Tropidonotus dipsas (non Blyth), Anders, An. Zool, Res. Yunnan, 
p- 819 (1879). 
— elus, Bouleng. Faun. Ind., Rept. p. 345 (1890). 
Eye moderate. ostral broader than deep, just visible from 
above; internasals as long as broad, as long as or’ a little shorter 
than the prefrontals; frontal once and a half to once and twothirds 
as long as broad, longer than its distance from the end of the 
snout, shorter than the parietals; loreal as long as deep; one or - 
two (or three) preoculars; three postoculars; temporals 1+1, 
1+2, or 2+2; eight upper labials normally, third, fourth, and filth 
entering 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, those of the outer row more or less 
distinctly keeled. Ventrals 163-175; anal divided; subcaudals 
73-95. Olive brown above, the scales edged with blackish, with 
two yellowish, black-edged dorsal stripes running along the back 
and tail; a short yellow longitudinal streak behind the occiput; a 
black streak from the eye to the commissure of the mouth; labials 
yellow ; ventrals and subcaudals uniform yellow, or with a black 
dot on each side. 
Total length 560 millim.; tail 140. 
Sikkim, Khasi Hills, hills of Upper Burmah and Yunnan. 
a. g (V. 166; U, 75). Sikkim. Sir J. Hooker [P.}. )} 
b. 3 (V. 167; C. 78). Khasi Hills. Sir J. Hooker [P.). 
e-d. g (V. 163, 167; C. Khasi Hills? T. C. Jerdon, Esq. | 3 
73, 73). igh! & 
e. 3 (V. 172; C. 86). Sanda, Upper Dr.J. Anderson [P.}. ey 
Irrawaddy. - 
SF. 2 (V. 167; C. ?). Hotha Valley, Dr. J. Anderson [P.}. 
Yunnan. q 
22. Tropidonotus khasiensis. (Prare XIII. fig. 3.) 
Tropidonotus khasiensis, Bouleng. Faun. Ind., Rept, p. 344 (1890), 
Eye moderate. Rostral broader than deep, searcely visible from 
above; internasals as long as broad, broadly truncate in front, 
nearly as long as the prefrontals ; frontal once and a half as long as 
broad, slightly longer than its distance from the end of the snout, 
shorter than the parietals; loreal as long as deep or a little longer 
than deep; one or two preoculars; three postoculars ; temporals 
1+1; nine upper lubials normally, fourth, fifth, and sixth entering 
the eye; five lower labials in contact with the anterior chin-shields, 
which are shorter than the posterior. Scales in 19 rows, rather 
strongly keeled, the outer row smooth. Ventrals 150-154; anal 
divided; subcaudals 80-100. Pale brown above, some of the 
scales edged with darker ; head speckled with black, or with more or 
less distinct yellowish dots or yermiculations ; labials yellow in the 
