SNAKES OF CEYLON. 



557 



floor of the loreal pit. Pnzoculars : Three ; the median and 

 lower divergent to enclose the loreal pit. Suboculars : One. 

 Postoculars : One or two. Temporals : Two ; the lower large. 

 Supralabials : Seven ; the 1st only touching the nasal, 2nd 

 rarely forming the floor of the loreal pit, none touching the 

 eye, the 4th and 5th touching the lower temporal. Infralabials : 

 Three ; all touching the sublinguals. Sublinguals : One pair. 



Fig. 97. — Ancistrodon millardi. 



(X 2.) 



6(6)20 



