8 



SNAKES OF CEYLON. 



divided ; the upper suture from the nostril about half the 

 lower which passes to the 2nd supralabial. Prseocular : Well 

 developed ; widely separated from the 2nd supralabial. 

 Ocular: Well developed. Suhocular : Present; touching the 

 2nd, 3rd, and 4th supralabials. Tem/poraU : Two. Swpra- 

 lahials : Four. 



Costals : In 18 rows in the whole body. 



Prf F 



Prp Pop 



SuD 



2 3 4 



Fig. 1.- — Typhlops mirus. 

 {After Gunther. ) 



