138 Lt.-Col. Winn Sampson on 
laterally, and ending in an acute spine at the outer angle ; 
the metasternal femoral depression is dentate at the margin. 
Length 4:9-5'1 mm.; breadth 1:1 mm. 
PortuGuEse East AFricA: Xinavane (C. B. Harden- 
berg). 
Type in the British Museum. 
9. Resembles the male in colour, but is rather darker, 
especially on each side of the elytral suture and at the base and 
apex. ront shiny and sparsely hairy, the surface regular, 
produced forwards centrally just before the vertex, but de- 
pressed laterally as far as the eyes, which have their inner sides 
a, b. Crossotarsus hardenbergt, sp. nu. ¢, Crossotarsus opifex, sp. 0. 
sharply depressed and slightly excavate, thus causing an 
angle at the upper inner edge ; the upper half of the front is 
faintly punctate, the lower portion having deeper and closer 
punctures and being provided with upstanding matted hairs, 
together with two tufts of long recurved hairs over the 
mouth ; on the inner edge of the eyes there is a row of 
recumbent hair extending towards the centre; the vertex 
has a somewhat sharply defined and semicircular lateral 
ridge, which forms the upper margin to a depression situated 
close to the upper portion of each eye ; the central carina is 
prominent and extended forwards and downwards, the surface 
