312 COLTTBBIB^. 



6. No small maxillary teeth. 



Scales oblique, strongly keeled ; rostral moderate. 



233. Sepedon, p. 388. 



Scales oblique ; rostral very large, detached on the sides. 



234. Aspidelaps, p. 390. 



Scales not oblique ; rostral large 235. Walterinnesia, 



[p. 392. 

 2. Internasal not bordering the nostril. 



a. Nasal divided ; scales in 13 or 15 rows ; one to three 

 small maxillary teeth in addition to the poison-fangs. 



236. Hemibungarus, 



[p. 392. 



6. Nasal divided; scales in 13 rows; no small maxillary 

 teeth. 

 Poison-gland not extending beyond the head. 



237. Callophis, p. 396. 

 Poison-gland extending along each side of the anterior third of the 



body ; heart shifted back to the second third of the body. 



238. DoliopMs, p. 397. 



c. Nasal entire ; scales in 15 rows ; postfrontal bone absent. 

 One or two small maxillary teeth in addition to the poison-fangs. 



239. Purina, p. 406. 



No small maxillary teeth 240. Homorelaps, p. 408. 



A. Nasal divided: scales in 15 rows; postfrontal bone 

 absent ; no small maxillary teeth. 



241. Elaps, p. 411. 



II. Maxillary bone with a strong posterior process, directed back- 

 wards and outwards ; a large, fang-like anterior mandibular 

 tooth, followed by a considerable toothless space ; no solid 

 maxillary teeth ; head narrow ; body slender, with the scales 

 disposed very obliquely 242. Dendraspis, p. 434. 



214. OGMODON. 



Ogmodon, Peters, Mon. Berl. Ac. 1864, p. 274. 

 Labionaris, Broechi, Bull. Soc. Philom. (6) xii. 1876, p. 94. 



Maxillary extending forwards as far as the palatine, with 8 grooved 

 teeth gradually decreasing in length ; mandibular teeth gradually 

 decreasing in length. Head small, not distinct from neck ; eye very 

 small, with round pupil ; nostril pierced between the first upper 

 labial, two small nasals, and the internasal ; prsefrontal entering 

 the eye ; an elongate praeocular, separated from the nasal by the 

 second labial ; no anterior temporal. Body cylindrical ; scales 

 smooth, without pits, in 17 rows ; ventrals rounded. Tail short ; 

 subcaudals in two rows. 



Fiji Islands. (/i! ' ' 



