GLOSSARY. Xxix 



Truncate. Cut off in a straight line, neither sinuate nor curved. 

 Tubercle. A small knob-like prominence. 

 Tuberculiform. In the form of a tubercle. 

 Tumiditlous. Strongly convex. 



Unicolorous. Of a uniform colour throughout. 



Valvulce. The branches of the genital forceps of the male ; usually visible 

 exteriorly, and liable to be mistaken for the terebra when that organ 

 is short. 



Ventral. Pertaining to the lower surface of the abdomen. 



Vertex. Highest point; usually used of the head, in which it bears the 

 ocelli. 



Vittose. Clothed with long, raised, closely-set hairs. 



VittfB. Streaks or bands of colour, usually on the mesonotum. 



Vomerifonn. Ploughshare-shaped. 



