396 COLTTBEID^. 



237. CALLOPHIS. 



Elaps, part., Waffler, Syst. Amph. p. 193 (1830) ; Schleg. Phys. 



Serp. ii. p. 435 (1837) ; Dim. &■ Bibr. Erp. Gin. vii. p. 1191 



(1854) ; Gunth. Cat. Col. Sn. p. 229 (1858) ; Jan, Sev. ^ Mag. 



Zool. 1858, p. 516. 

 Calliophis, Gray, III. Ind. Zool. ii. (1834). 

 Helminthoelaps, part., Jan, I. c. p. 618. 

 Callophis, part., Giinth. Proc. Zool. Soc. 1859, p. 81 ; Peters, Mon. 



Berl. Ac. 1862, p. 636 ; Gunth. Rept. Brit. Ind. p. 346 (1864) ; 



Meyer, Mon. Berl. Ac. 1869, p. 211 ; Beinh. Vid. Meddel. 1869, 



p. 117 ; Meyer, Proc. Zool. Soc. 1870, p. 368. 

 Oallopliis, Peters, Mon. Berl. Ac. 1871, p. 579 ; Meyer, Sitzb. Ak. 



Berl. 1886, p. 614 ; Bouleng. Faun. Ind., Rept. p. 383 (1890). 



Maxillary extending forwards beyond the palatine, with a pair 

 of large grooved poison-fangs but no other teeth ; mandibular teeth 

 subequal. Prefrontal bones in contact with each other on the 

 median line. Head small, not distinct from neck ; eye small, with 

 round pupil ; nostril between two nasals ; no loreal. Body cylin- 

 drical, much elongate ; scales smooth, without pits, in 13 rows ; 

 ventrals rounded. Tail short ; subcaudals in two rows. 



South-eastern Asia. 



Synopsis oftTie Species. 



I. One prse- and two postoculars. 



A. Six upper labials. 



Ventrals 303-320 1. gracilis, p. 396. 



Ventrals 240-274 2. trimaculatus, p. 397. 



B. Seven upper labials ; ventrals 182-247. 



A single temporal 3. maculiceps, p. 397. 



Temporals 1 -|- 1 4. macclellandii, p. 398. 



II. No prseocular ; one postocular ; ventrals 222-226. 



5. bihronii, p. 399. 



1. Callophis gracilis. 



Calliophis gracilis, Gray, III. Ind. Zool. ii. pi. Ixxxvi. fig. 1 (1834) ; 



Giinth. Proc. Zool. Soc. 1859, p. 83, and Rept. Brit. Ind. p. 349 



(1864) ; Meyer, Sitzb. Ah. Berl. 1886, p. 614. 

 Elaps nigromaculatus. Cantor, Proc. Zool. Soc. 1839, p. 33, and Cat. 



Mai. Rept. p. 108, pi. xl. fig. 7 (1847). 

 gracilis, Giinth. Cat. p. 230 (1858). 



Eye minute, about half as long as its distance from the mouth. 

 Rostral broader than deep ; frontal as long as its distance from the 

 rostral or the end of the snout, much shorter than the parietals ; 

 one prae- and two postoculars ; a single temporal ; six upper labials, 

 third and fourth entering the eye ; two pairs of subequal chin- 

 shields, the anterior in contact with four lower labials. Scales in 

 13 rows. Ventrals 303-320 ; anal divided ; subcaudals 21-28. 



