178. OXTBELIS. 189" 



d. 2 (So. 19 ; V. 184 ; Africa. 



C. 102). 



D. Green or olive above, all the scales and shields edged with 

 black ; head often much spotted with black. 



a. S (So. 19; V. 183; 

 C. 121). 



Natal. E. Hewlett, Esq. [P.], 



Natal. Mr. T. Ayres [0.]. 



W. Africa. 



6. cJ (So. 19; V. 190 



C. 131). 

 c.Hgr.d'(So.l9;V.182 



0.107). 

 d. Skeleton. 



E. Black above, each scale with a yellowish or greenish spot ; head 

 spotted or marked with black; ventrals and subcaudals 

 yellowish, edged with black, {B. bellii, Smith.) 



a. (J (Sc. 21 ; V. 176 ; ■ Port Elizabeth. Mr. Drege [P.]. 



0. 110). 

 b-B. cJ (Sc. 19, 21 ; V. 185, Africa. Haslar Collection, 



180; C. 108, 113). . 

 d. d (Sc. 19; V. 186; Africa. 



C.?). 



E. Uniform black above, blackish grey beneath. 



a. (J (Sc. 21 ; V. 179 ; Ushambola, Zanzibar. Sir J. Kirk [0.1, 

 C. 125). 



178. OXYBELIS. 



Dryinus, part., £eU, Zool. Journ. ii. 1825, p. 324. 



Dryophis, part., Boie, Isis, 1827, p. 520 ; Schleg. Phys. Serp. ii. p. 241 



(1837) ; Qiinth. Cat. Col. Sn. p. 155 (1858). 

 Oiybelis, Wagl. Syst. Amph. p. 183 (1830) ; Jan, Elenco sist, Ofid. 



p. 88 (1863). 

 Dryophis, Wagl. I. c. 

 Oxybelis, part., Ihim. ^ Bibr. Ei-p. G6n. vii. p. 813 (1854). 



Maxillary teeth 20 to 25, subequal, the last three to five a little 

 enlarged and grooved on the outer side ; anterior mandibular teeth 

 strongly enlarged. Head elongate, distinct from neck, with distinct 



• Eig. 15. 



Maxillary and mandible of Oxyhelis ftdgidus. 



canthus rostralis ; eye rather large, with round pupil ; nasal entire 

 or semidivided; loreal usually absent; frontal narrow. Body 

 slender, compressed; scales smooth or feebly keeled, with apical 



