1962] 
Brady — Sosippus 
141 
as the metatarsi, and tarsi a series of trichobothria. These are extreme- 
ly variable on all leg segments. The usual pattern is one or two large 
proximal trichobothria and then a series of smaller ones decreasing in 
size distally, although there may be one or two large trichobothria at 
the distal end of the tibiae. Occasionally the basal trichobothria are 
spine-like particularly on the tibia of leg III. A spine is distinguished 
from a trichobothrium by its greater thickness at the base and the 
socket within which it articulates. This basal socket leaves a scar 
whenever the spine is broken off, whereas it is difficult to distinguish 
an empty socket where a trichobothrium has been broken off. 
Of 37 females measured the clypeus height was subequal to the di- 
ameter of the AME in 32, in three clypeus height was less than the 
diameter of the AME, and in two clypeus height was greater than 
the diameter of the AME. Of 23 males examined the clypeus height 
