310 COLUBRID. 
Subfam. 8. ELAPINZZ. 
Elapide, Bote, Isis, 1827, p. 510. 
Holochalina, part., J. Miiller, Zeitschr. f. Physiol. iv. Ea, 1831. 
Najide, Bonaparte, Mem. Acc. Torin, (2) ii. p. 393, 1840. 
" Conocerques, Duméril, Mém. Ac. Se. xxiii. p. 514, 1853; Duméril § 
Bibron, Erp. Gén. vii. p. 1187, 1854. 
Eurystomata Iobola, part., Stannius, Zoot. Amph. p. 5, 1856. 
Dendrechides, A, Duméril, Rev. §& Mag. Zool. viii. p. 555, 1856. 
Elapside, Dendraspidide, Giinther, Cat. Col. Sn., 1858. 
Naids (Najinz, Dendraspidine), Cope, Proc. Ac. Philad. 1859, 
. 342. 
Elapide, part., Jan, Elenco sist. Ofid. p. 111, 1863, 
Elapide, Giinther, Rept. Brit. Ind. p. 337, 1864. 
Elapida, part., Strauch, Syn. Viper. p. 18, 1869. 
Elapide, N slide, Dendanepidide, Cope, Proc. Amer. Philos. Soe. 
xXi11, A 
Elapinee, Bouleng. Faun, Ind., Rept. p. $82, 1890. 
Tail cylindrical. Hypapophyses more or less developed throughout 
‘the vertebral column. 
Distributed over Africa, Southern Asia, the Southern parts of 
North America, Central and South America, and Australia. In the 
latter Continent they constitute the great majority of the Ophidian 
fauna and present the greatest variety of forms. Mostly viviparous. 
Synopsis of the Genera. 
I, Maxillary bone without posterior process; no isolated anterior 
mandibular tooth. 
A. Maxillary bone not extending forwards beyond the palatine ; 
vertebral scales not enlarged. 
1. Poison-fangs followed by 6 or 7 grooved teeth; subcaudals 
in two rows; eye very small; head not distinct from neck. 
Maxillary and mandibular teeth gradually decreasing in size; first 
upper labial bordering the nostril .. 214. Ogmodon; p. 312. 
Anterior maxillary and mandibular teeth abruptly enlarged. 
215. Glyphodon, p. 313. 
2. Poison-fangs followed by 7 to 15 small grooved teeth ; sub- 
caudals in two rows; head more or less distinct from neck, 
No canthus rostralis ; eye small, with vertical pupil ; tail moderate 
Co a ee oe 216. Pseudelaps, p. 315. 
Canthus rostralis distinct ; eye moderate or large, with round pupil; 
tail moderate or long ............ 217. Diemenia, p. 320. 
3. Poison-fangs followed by 1 to 5 small teeth, which may be 
indistinctly grooved. 
a. Head more or less distinct from neck. 
