181. ERYTHROLAMPRUS, 199 
Chrysopelea ornata, part., Giinth, Cat. p. 146 (1858), and Rept. Brit. 
Ind. p. 298 (1864). 
— hasseltii, Bleek. Nat. Tijdschr. Nederl. Ind. xxi. 1860, p. 332. 
Head rather shorter and snout less depressed than in C. ornata. 
Rostral broader than deep, visible from above; internasals as long 
as or a little shorter than the prefrontals; frontal once and a half 
to once and two thirds as long as broad, a little longer than its 
distance from the end of the snout, a little shorter than the 
parietals ; loreal once and a half to twice as long as deep; one 
preocular, in contact with or narrowly separated from the frontal ; 
two postoculars; temporals 2+2; nine upper labials, fifth and 
sixth or fourth, fifth, and sixth entering the eye ; five lower labials 
in contact with the anterior chin-shields, which are shorter than the 
posterior. Scales smooth, in 17 rows, less oblique than in C. ornata. 
Ventrals 181-198, last usually divided; anal divided; subcaudals 
99-120. Back red or orange, with pairs of black cross-bars enclosing 
a whitish cross-bar ; sides olive, some of the scales black-edged ; head 
dark olive-brown above, with two or three orange cross-bars; pale 
green to olive beneath, the lateral keels black, the portion of the 
shields above the keel whitish. 
Total length 700 millim. ; tail 190. 
Burma, Malay Peninsula, Sumatra, Borneo, Natuna Islands, 
a. 2 (V. 188; C.100). Rangoon. Dr. J. E. Gray [P.]. 
b. 9 (V.194; C. 99). Singapore. Dr. Dennys [P.]. 
ce. 6 (V.187; C.107). Banka. Dr. Bleeker. (Type of 
C. hasseltit.) 
d. 9 (V.186; C.99). Nias. Hr, Sundermann [C.]. 
e. 6 (V. 181; C.106). Sarawak. Sir H. Low [P.]. 
f. go (V.196; C.120). Great Natuna Id. A. Everett, Esq. [C.]. 
181. ERYTHROLAMPRUS. 
Erythrolamprus, part., Wagler, Syst. Amph. p. 187 (1830). 
Coronella, part., Schleg. Phys. Serp. ii. p. 50 (1837); Giinth. Cat. 
Col. Sn. p. 34 (1858). 
Erythrolamprus, Dum. § Bibr. Erp. Gén. vii. 845 (1854); Giinth. 
l.c. p. 47 ; Jan, Arch. Zool. Anat. Phys. ii. 1863, p. 314; Bocourt, 
Miss. Sc. Mex., Rept. p. 658 (1886) ; Cope, Bull, U.S. Nat. Mus. 
no. 32, 1887, ee. 55. 
Coniophanes, e, Proc. Ac. Philad. 1860, p. 248; Hallow. t. c. 
p. 484; Bocourt, 7. c. p. 649. 
Glaphyrophis, Jan, /. c. p. 304. 
Tachymenis, part., Peters, Mon. Berl. Ac. 1869, p. 876. 
Maxillary teeth subequal, 10 to 15, followed, after an interspace, 
by a pair of feebly enlarged grooved teeth* situated below the 
posterior border of the eye; mandibular teeth subequal. Head 
more or less distinct from neck; eye moderate, with round pupil. 
* The aia is exceptionally absent in specimens of LZ. esculapii (see foot- 
note, p. Re 
