70 AUSTRALIAN SNAKES. 



Distira ornata, Gray. 

 S. 40-50, \. 210-300. 

 Length, 4 feet. 



Distira grandis, Boulenger. 

 S. 41-45, Y. 372-400. 



Length, 7 feet 8 inches. 



Long-necked Sea Snakes. 



Hydrophis kingii, Boulenger. 

 S. 37, V. 314. 



Length, 4 feet. 



Hydrophis elegans, Gray. 



S. 41-43, V. 350-385. 



Length, 4 feet 2 inches. 



In the genus Hydrojyliis, the front portion of the 

 body is often remarkably slender. 



Port Darwin Sea Snake. 



Hydrelaps darwiniensis, Boulenger. 



S. 27-29, V. 170-172. 



Length, 1 foot 6 inches. 



This is the only known species of the genus, and 

 but two examples have so far been obtained, both from 

 Port Darwin. 



