241 



Fig. 90. Enhydris hardivickel (Gray). Nat. size. 



Subfamily Elapinae. 

 Key to the Indo- Australian genera. 



^.Vertebral scales enlarged; scales in 13—17 rows. . . 58. Biingarus p. 243. 

 B. Vertebral scales not enlarged. 



I. Maxillary extending forwards beyond the palatine. 

 «. Internasal bordering the nostril; scales in 15 — 25 



'"°'''' 59- Naja p. 245. 



b. Internasals not bordering the nostril. 



I. Anal divided; poison-gland not extending beyond 



the head; scales iu 13 rows 60. Callophis p. 250. 



Indo-australian reptiles II. i5 



