NO. 2150. SOME NEW HETEROPTEROUS HEMIFTERA—BERGROTH. 239 



parallel from base to beyond middle, then somewhat narrowed, a 

 little longer than head and pronotum together, tibiae a little curved, 

 first joint of tarsi less than half the length of second joint. Middle 

 coxae not reaching base of hind acetabula. Middle and hind femora 

 equal in length, a little shorter than the body. Middle tibiae about 

 one-fourth shorter than femora. Hind tibiae more than half the 

 length of femora. Middle tarsi about half the length of tibiae and 

 about three times longer than hind tarsi. 



Length. — Male, 10-10.4 mm. ; female, 11.5-12 mm. 



Male. — First dorsal genital segment a little shorter than last ab- 

 dominal segment, its apical margin rounded; second dorsal genital 

 segment a little shorter than first and only one-third its breadth, 

 rounded at apex; first ventral genital segment a little longer than 

 last abdominal segment, its apical angles somewhat produced ; second 

 ventral genital segment longer than first, subconical, not quite reach- 

 ing apex of second dorsal genital segment. 



Female. — First dorsal genital segment shorter than last abdominal 

 segment, narrowing from the base to the subtruncate apex; ventral 

 genital segment as long as the corresponding dorsal segment, but 

 narrower, subparallel ; second genital segment very short. 



Type.— Cat. No. 20155, U.S.M.N. Guinea (Mount Coffee, Liberia, 

 K. P. Currie). 



This is the first Cylindrostethns recorded from Africa. In colora- 

 tion it is quite distinct from the American species, and still more so 

 from the Asiatic ones. No winged specimens of this fine species 

 were found. 



