THE POISONOUS SNAKES OF INDIA. 301 



of the bracket -shaped pattern which these form, and which I have 



B 



Cuneafe . 



Fig 16. — Naia tripudians (nat. size). 

 shown by thickened lines in Fig. 17. Besides this, I have placed 

 another drawing to illustrate what is seen in other snakes, the pattern 

 forming a chevron. This is perhaps rather a nice point which may 

 require a practiced eye to determine positively, but to an observant 

 enquirer there should be little difficulty, and with proper care the 

 character is a very valuable one. 



Supplementary characters. — Prcefrontals touch the internasal, prte- 

 ocular, supraocular, and frontal. Temporals 2, the lower touching the 

 5th and 6th supralabials. Supralabials 7. Anterior sublingvah touch 



