16 ROBKRT NRWSTEAD — A REVISION OF THE TSETSE-PEIES (GLOSSINA), 



number of long bristles. The inferior clasjiers (ic) are large ; the distal margin 

 is concave, the proximal margin deeply emarginate, hairs long and numerous ; 

 the harpes (//) have the larger process atronrjly serrated along the upper edge and 



Fig. 3. — Male'armature of Olnssina fi/.iea, Walk. ; lateral view. 



posteriorly to this is a long narrow process : immediately in front of the serrated 

 organ are two additional narrow falciform sclerites, each with the tips curving 

 inwards so that a calliper-like process is formed. Vesica (?;) somewhat cylindrical, 



■^"•'^frv^^n'- 



Fig. 4. — Superior claspers of (7?oss;na/ifsca,, Walk. 3 ; ventral view. 



