SNAKES OF CEYLON. 



253 



5tli infralabials. Infralabials : Five ; the 6th shorter than the 

 posterior subUnguals, and about as broad as those shields ; 

 usually touching three scales behind. (Fig. 51.) 



Prf 



ipia. 51. — -Ablabes calamaria. 

 (X 2.) 



Gostals : Vertebrals nearly as broad as long, about three - 

 fourths the breadth of the ultimate. Ultimate row with scales 

 as broad as long. In 15 rows in the whole body length. 

 Ventrals : 126 to 163. (127 to 134 in Ceylon specimens). 

 Anal : Divided. Suhcaudals : 53 to 76 (67 to 76 in Ceylon 

 specimens). 



(b) Anomalies — Prasoculars : Rarely two. Supralabials : 

 Sometimes eight. Infralabials : Four only in some speci- 

 mens, owing to a confluence of the normal fourth and fifth. 



