24 Dr. C. P. Alexander on African Crane-flies 



darker brown ; cell R z about three times as wide as cell 7?i 

 at tlie wing-margin; cell 1st M 2 closed, irregularly pentagonal. 



Female. — Length (excluding rostrum) 6*6 mm. ; wing 

 7 mm. ; rostrum 13 mm.; abdomen alone 4'4 mm. 



Rostrum about twice the length of the head, dark brown ; 

 palpi dark brown. Antennae and head dark brown. 



The thorax is badly injured in pinning and the coloration 

 can be discussed in general terms only. Mesonotum dark 

 brown, pleura a little paler. Halteres dark brown, the base 

 of the stem a little paler. Legs long and slender ; coxaj and 

 trochanters dark brown ; remainder of the legs dark brown, 

 the femora a little paler basally, the tarsi somewhat paler at 

 the tips. Wings with a uniform pale brown suffusion, the 

 subcostal cell a little darker ; stigma elongate-oval, darker 

 brown; veins dark brown. Venation: Sc ending just before 

 the fork of Rs, Sc 2 at the tip of Sc x ; R 2+s running rather 

 close to Ri before the end of the latter; cell R s very wide at 

 the wing-margin, about three times as wide as cell R x ; cell 

 1*/ M 2 closed, irregularly pentagonal ; M l+2 between r—m 

 and m being a little shorter than the basal deflection of M l+2 

 and but little longer than the gently arcuated in; outer 

 deflection of J\J 3 perpendicular, about two-thirds as long as 

 m ; basal deflection ot G'% immediately before the fork of M. 



Abdominal tergites dark brown, the sternites brownish 

 yellow. Ovipositor with the valves long and straight, the 

 extreme tips broken in the unique type. 



Had. Sierra Leone. 



Holotype, ?, October 1904 {Major F. Smith). B.M. 

 1904. 347. 



Type in the collection of the British Museum (Natural 

 History). 



Rhamphidia imperfecta, sp. n. 



"Rostrum long and slender, about twice the length of the 

 head ; general coloration dark brown ; legs dark brown, 

 the tarsi paler ; wings hyaline, the stigma narrow, pale 

 brown ; cell 1st M 2 open, basal deflection of Cu x bevond the 

 fork of M. 



Sext — Wing 5 mm. ; rostrum 1 mm. 



The type-specimen has the tip of the abdomen injured, so 

 the sex cannot be determined. 



Rostrum moderately elongate, about twice the length of 

 the head, dark brown ; palpi dark brown. Antennas with 



