326 COLUBRID. 
1. Bothrolycus ater. 
Bothrolycus ater, Gunth, l. e. pl. lvii. fig. B. 
Snout projecting, obliquely truncate; loreal region vertical. 
Rostral a little broader than deep, not visible from above ; inter- 
nasals much shorter than the pretrontals ; frontal once and a half 
as long as broad, as long as its distance from the end of the snout, 
as long as the parietals; loreal elongate, entering the eye; two 
postoculars ; temporals 1+2; seven upper labials, third, fourth, 
and fifth entering the eye ; four lower labials in contact with the 
anterior chin-shields, which are as long as or a little longer than 
the posterior. Scales in19 rows, Ventrals 147-148; anal entire; 
subcaudals 18-22. Blackish brown above, head paler; pale brown 
inferiorly, with whitish dots or short streaks; lips and chin with a 
few whitish, black-edged dots. ; 
Total length 460 millim.; tail 40. 
Cameroons. 
a. 9 (V. 147; C. 22). Cameroons, (Type.) 
b. 2 (V. 148; C. 18). Cameroons. D. é. Rutherford, Esq. [C.]. 
43. CYCLOCORUS. t 
Cyclocorus, Dum. § Bibr. Mém. Ac. Se. xxiii. 1858, p. 460, and 
Erp. Gén. vii. p. 885 (1854) ;. Giinth. Cat. Col. Sn. p. 208 (1858) ; 
Jan, Elenco sist. Ofid. p. 95 (1863). 
Maxillary and dentary bones angularly bent inwards anteriorly ; 
three or four anterior teeth, in both jaws, increasing in size, the 
last large and feng-like, followed after an interspace by 12 or 13 
Fig. 21. 
a 
Maxillary and mandible of Cyclocorus lineatus, 
small maxillary teeth. Head slightly distinct from neck; eye 
rather small, with round pupil. Body moderately elongate, cylin- 
drical ; scales smooth, with apical pits, in 17 rows ; ventrals rounded. 
Tail moderate ; subcaudals single. Hypapophyses developed through- 
out the vertebral column. 
Philippine Islands. 
