74 COLUBRID. 
broad, just visible from above ; internasals broader than long, much 
shorter than the prefrontals; frontal once and a half as long as 
broad, longer than its distance from the end of the snout, a little 
shorter than the parietals ; loreal a little longer than deep; three 
preoculars, the upper not reaching the frontal; two postoculars ; 
temporals 1+3 or 2+3; eight upper labials, fourth and fifth 
entering the eye; four lower labials in contact with the anterior 
chin-shields, which are nearly as long as the posterior. Scales in 
19 rows, scarcely oblique, vertebrals very feebly enlarged. Ventrals « 
220 ; anal entire; subcaudals 99. Grey-brown above, with lighter 
black-edged transverse spots; a series of black spots along each 
side, near the ventrals; a blackish band behind the eye; labial 
sutures blackish; lower parts whitish, powdered with brown. 
Total length 550 millim.; tail 130, 
Ceylon. 
a. db (V. 220; C. 99). ' Ceylon. B, H. Barnes, Esq, [P.]- 
(Type.) 
15. Dipsadomorphus drapiezii. 
Dipsas drapiezii, Bote, Isis, 1827, p. 559; Schleg. Phys. Serp. ii. 
p- 270, pl. xi. figs. 8 & 9 (1887), and Abbild. p. 48, pl. xv. (1840) ; 
Giinth, Cat. p. 171 (1858), and Ann. § Mag. N. H. (3) ix. 1862, 
p- 53; FE. Mill. Verh, Nat. Ges, Basel, viii. 1887, p. 275, 
Triglyphodon drapiezii, Dum. § Bibr, vii. p. 1097 (1854). 
Dipsas drapiezii, var. bancana, Peters, Mon. Berl. Ac. 1867, p. 26. 
Anterior palatine and mandibular teeth moderately enlarged. 
Eye as long as the snout. Rostral broader than deep, scarcely 
visible from above ; internasals broader than long, shorter than the 
prefrontals ; frontal as long as broad or slightly longer than broad, 
as long as its distance from the end of the snout, shorter than the 
parietals; loreal small or absent ; one preocular, in contact with 
or narrowly separated from the frontal; two postoculars ; temporals 
242, 2+3, or 3+3; eight upper labials, third, fourth, and fifth, 
or fourth and fifth, entering the eye; five or six lower labials in 
contact with the anterior chin-shields, which are as long as or a 
little longer than the posterior. Scales in 19 rows, vertebral row 
strongly enlarged. Ventrals 250-276; anal entire; subcaudals 
114-163. Pale brown above with dark transverse spots, or brown 
with yellowish or reddish, dark-edged pale transverse bands each of 
which ends in a white spot on the side of the belly; brownish 
white below, uniform or speckled with brown, with two more or 
less distinct brown longitudinal lines. 
Total length 1300 millim, ; tail 350, 
Malay Peninsula and Archipelago. 
a. Yg.(V.270; C. 147). Malacca, D. F. A. Hervey, 
: Esq. [P.]. 
b. 2 (V. 272; C. 153). Singapore. 
c. 9 (V. 259; C.?). E. Coast of Sumatra. Mrs, Findlay [P.]. 
