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’ 
184 COLUBRID A. 
temporals 242; nine upper labials, fourth, fifth, and sixth 
entering the eye; four lower labials in contact with the anterior 
chin-shields, which are about the same size as the posterior. Seales 
in 17 rows. Ventrals 181; anal divided; subcavdals 112. Yel- 
lowish-olive above, with three brown longitudinal streaks on the 
anterior part of the body ; further back, these streaks break up into 
series of small spots and disappear towards the middle of the body ; 
a dark brown band between the eyes and another across the occiput, 
behind the parietals ; a whitish dark-edged streak along the upper 
lip ; yellowish white inferiorly, throat and anterior ventrals with 
brown dots; a brown dot at the outer end of each ventral or sub- 
caudal shield. 
Total length 528 millim. ; tail 171. 
Tehuantepec. 
5. Polyodontophis collaris. (Pxare XII. fig. 1.) 
Pape collaris, Gray, Ann. § Mag. N. H. (2) xii. 1858, 
Ablabes collaris, Giinth. Cat. p. 28 (1858), and Rept. Brit. Ind. 
p. 228 (1864); Stoliczka, Journ. As, Soc. Beng. xl. 1871, p. 450 ; 
Anders. Proc. Zool. Soc. 1871, p. 171, and An. Zool. Res. Scns 
Rept. p. 810 (1879). . 
—— sinensis, Giinth. Ann. & Mag. N. H. (6) iv. 1889, p. 220. 
Polyodontophis collaris, Bouleng. Faun. Ind., Rept. p. (1890). 
Rostral twice as broad as deep, just visible from aboye; suture 
between the internasals shorter than that between the preefrontals ; 
frontal longer than its distance from the end of the snout, as long 
as or shorter than the parietals; loreal as long as or a little longer 
than deep; one preocular; two postoculars, only the upper in 
contact with the parietal; temporals 1 (or 2) + 2; nine or ten 
upper labials, fourth, fifth, and sixth entering the eye; four lower 
labials in contact with the anterior chin-shields, which are as long as 
the posterior, Scalesin 17 rows. Ventrals 159-190; anal divided ; 
subcaudals 102-131. Brown above, vertebral region greyish, usually 
with a series of small round black spots, or with a dark stripe; 
head with small black spots or vermiculations above, and two black 
cross bands, one across the posterior part of the frontal and supra- 
oculars, the other across the occiput ; a large black nuchal spot or 
cross band, bordered with yellow posteriorly ; a black line from the 
nostril to the nuchal spot, passing through the eye, bordering the 
white black-dotted upper lip. Lower parts yellowish, each ventral 
with an outer black spot or streak, which may be confluent on the 
posterior part of the body ; anterior ventrals with a pair of median 
dots in addition. 
Total length 760 millim. ; tail 235. 
Himalayas (to 10,000 feet) as far west as Simla; Assam, Aracan, 
Upper Burma, 8. China. 
a-b. 3 (V.173; 0.?)& Khasi Hills, SirJ.Hooker[P.]. (Types.) 
hgr. (V. 172; G. 102), 
