1951] 
Gregg - — ■ Exotic Ants 
83 
certainly distinct from the others and deserves to be re- 
corded. No others in the subgenus have been described, 
as far as I am aware, since 1925 when Emery listed the 
then known species. 
Text-fig. 3. A. Stictoponera posteropsis, head. B. Camponotus ( M .) 
cooperi, head. C. Stictoponera posteropsis, wing. 
Camponotus cooperi differs from its above named rela- 
tives, which are elephantine by comparison, in a number of 
additional particulars. The head, though elongate, is not 
concave on the occipital margin, as in mirabilis, and the 
sides are straight to slightly concave, not converging pos- 
teriorly as in sphenocephalus. The eyes are placed in the 
middle of the head and very much to the sides, whereas in 
mirabilis they are moved partially to the dorsal surface. 
The frontal carinae converge to a blunt point on the anterior 
margin of the clypeus, the antennae are inserted quite near 
