194 



MR. G. A. BOULENGER ON 



Text -figure 1. 



supraocular .rostral 

 nasa:' 



prefrontal 



praeocular 



ocular 



TYPHLOPS PUNCTATUS. 



rostral 

 supraocular 

 nasal--. 



frontal 



post. nasa 

 ant. nasal. 



rostral 



upper labial - 

 poison-fang ""' 

 symphy'sial 



nasal 



rostral nasal 



upper 

 - labial 



rostral 



-upper 

 labial 



GLAUCONIA EMINI. 



loreal postocular 



prasocular ..-■' 



ant. temporal 

 post temporal 

 upper Jabiai 



subocular \ 



•lower labial 



rostral 

 "symphysial 

 ower labial 

 ant. chin-shield 

 post .chin-shield 

 ower labial 

 -ventral 



CAUSUS RHOMBEATUS. 



