181. ERTTHKOLA.MPETJS. 199 



Chrysopelea ornata, part., QurtXh. Cat. p. 146 (1858), and Rept. Brit. 



Ind. p. 298 (1864). 

 hasseltii, Bhek. Nat. Tijdsehr. Nederl. Ind. xxi. 1860, p. 332. 



Head rather shorter and snout less depressed than in C. ornata. 

 Eostral broader than deep, visible from above ; internasals as long 

 as or a little shorter than the praefrontals ; 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 

 prsBOcular, 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 0. 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. $ (V. 188 ; C. 100). Bangoon. Dr. J. E. Gray [P.]. 



6. 2 (V. 194 ; C. 99). Singapore. Dr. Dennys [P.J. 



c. d (V. 187 ; 0. 107). Banka. Dr. Bleaker. (Type of 



I JlCtfiSGlilft I 



<f. S (V. 186; 0.99). Nias. Hr. Sundermann [0.]. 



e. d (V, 181 ; 0. 106). Sarawak. Sir H. Low [P.]. 



f. d (V. 196; C. 120). Great Natuna Id. A. Everett, Esq. [0.]. 



181. ERYTHROLAMPRUS. ^ 



Erythrolamprua, part., Wagler, Syst.Amph. p. l87 (1830). 

 Coronella, part., Schleg. Phys. Serp. ii. p. 50 (1837J ; Qitnth. Cat. 



Col. Sn,. p. 34 (1858). 

 Erythrolamprua, Dum. §• Sibr. Erp. G6n. vii. p. 845 (1854) ; Giinth. 



I. c. p. 47 ; Jan, Arch. Zool. Anat. Phys. ii. 1863, p. 314 ; Bocourt, 



Miss. Sc. Mex., B^t. p. 658 (1886) ; Cope, Bull. U.S. Nat. Mus. 



no. 32, 1887, p. 55. 

 Coniophanes, Cope, Proc. Ac. Philad. 1860, p. 248 ; Sallow, t. c. 



p. 484 ; Bocourt, I. c. p. 649. 

 Glaphyrophis, Jan, I. c. p. 304. 

 Tachymenis, part., Peters, Man. 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 groove is exceptionally absent in specimens of E. cesculapii (see foot- 

 note, p. 202). 



