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



darker brown ; cell B^ about three times as wide as cell 7?i 

 at tiie wing-margin; cell \st ]\I^ closed, irregularly peutagonal. 



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

 7 mm. ; rostrum 1'3 mm.; abdomen alone 4*4 mm. 



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

 j):dpi dark brown. Antinnse and head dark brown. 



Tlie 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 tlie stem a little paler. Legs long and slender; coxte 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 suflt'usion, the 

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

 brown; veins dark brown. Venation: /Scending just before 

 the fork of Rs, Sc.2 at the tip of Sc^ ; -R2+3 running rather 

 close to R\ beibre the end of the latter; cell ^^3 very wide at 

 the wing-margin, about three times as wide as cell i?, ; cell 

 1*^ Mo closed, irregularly pentagonal ; M^_^_2 between r-m 

 and in being a little shorter than the basal deflection of Mi_,_2 

 and but little longer than the gently arcuated m; outer 

 deflection of M3 perpendicular, about two-thirds as long as 

 m ; basal deflection or C?<i immediately before the fork of M. 



Abdominal tergites diirk brown, the sternites brownish 

 yellow. Ovipositor with the valves long and straight, the 

 extreme tips broken in the unique type. 



Hab. Sierra Leone. 



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

 1904. 347. 



Ty[)e in the collection of the British Museum (Natural 

 History). 



Rhamphidia imperfecta, sp. n. 



TJostrum long and slender, about twice the length of tlie 

 hciid ; general coloration dark brown ; legs dark brown, 

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

 brown ; cell 1^^ M^ open, basal deflection of Cu^ 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. Antennie with 



