14 



SNAKES OE CEYLON. 



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



Lepidosis. — Rostral : About one- third the breadth of the 

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

 Prefrontal, frontal, and interparietal : Progressively decreasing 

 in breadth. Supraoculars and prseparietals : 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. 

 Prseoculars and oculars : Subequal. Suboculars : Absent. 

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

 the praeocular, 3rd and 4th touching the ocular. (Fig. 4.) 



Prp Pop 



Pop. Prp 



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

 (X circa 6 diametres.) 



