244 



SNAKES OF CEYLON. 



6th and 6th the temporal. Sublinguals: Posterior touching 

 the fourth infralabial. Infralabials : Four, the fourth longer 

 and broader than the posterior sublinguals. (Fig. 50.) 



Fig. 50. — Oligodon tfeniolatus. 

 (X 3^-.) 



Costals — Vertebrals : Breadth about three-fourths their 

 length, and about three-fourths the breadth of the ultimate 

 row. Last two or three rows gradually enlarged. Ultimate 

 row as broad as long ; in 15 rows in the whole body length. 

 Ventmls : 158 to 218 ; subangulate laterally. Anal : 

 Di^^ded. Subcaudals : 34 to 56 ; divided. 



