14 



SNAKES OF CEYLOS. 



Growth. — Maximum Length : 130 mm. (5^ inches). 



Lepidosis.— i?os<mZ .- About one-third the breadth of the 

 head opposite the eyes ; extending as far back as the eyes. 

 Prefrontal, frontal, und interparietal : Progressively decreasing 

 in breadth. Supraoculars a,nd prmparietals : Subequal. Post- 

 parietals : Two ; small. Nasals • Not in contact behind the 

 rostral ; quite divided ; the upper suture more than twice 

 the lower ; the lower suture passing to the 2nd supralabial. 

 Prxoculars and oculars : Subequal. Suhoculars : Absent. 

 Temporals : Two. Supralabials : Four ; 2nd and 3rd touching 

 the prseocular, 3rd and 4th touching the ocular. (Pig. 4.) 



Pfp Pop 



Pop Prp 



Fig. 4. — Typhlops leucomelas. (After Boulciiger.) 

 (X circa 6 diametres.) 



