in the British Museum. 353 



yellow, the outer face of the fore coxse a little darker ; 

 trochanters yellow; remainder of the legs dark brown, the 

 femoral bases paler brown. Wings with a pale brownish- 

 grey tinge, sparsely marked with small, rounded, brown 

 spots, as follows : at arculus ; at origin of Rs ; at the fork 

 of Sc ; at the fork of J? 2 +3 ; tip of R { , the two last spots 

 forming a geminate mark at the region of the stigma ; spots 

 at the tips of veins R 2 , R 3 , 2nd A, and smaller spots at the 

 ends of all the intermediate longitudinal veins ; cord and 

 outer end of cell 1st M 2 very narrowly seamed with brown ; 

 a rounded brown cloud at the fork of M 1+2 ; veins dark 

 brown. Venation : Sc moderately long, Sci ending a short 

 distance beyond the fork of lis, Sc 2 nearly at the tip of Sc l 

 and exactly opposite the fork of Rs ; Rs long, strongly 

 angulated at origin ; R- 2+3 long, gently arcuated, longer than 

 cell 1st M 2 ; r at the tip of R 1 and just before mid-length of 

 R 2 ; inner ends of cells R 3 , R 6 , and 1st M 2 almost in align- 

 ment ; cell M x deep, about two and one-half times the 

 length of its petiole ; cell 1st M 2 large, subrectangular ; 

 outer deflection of M 3 a little longer than m ; basal deflec- 

 tion of Cui at or just beyond mid-length of cell Is/ M 2 . 

 Macrotrichise on the veins numerous, black ; on veins R 

 and 2nd A extending to basad of arculus. 



Abdominal segments dark brown, the apices broadly 

 yellowish, broader and more evident on the sternites. The 

 abdomen is broken before mid-length in all three specimens 

 available. 



Hob. British Central Africa. 



Holotype, sex? (Dr. C. TV. Daniels), no. 82. 



Paratopotypes, 2 specimens of uncertain sex, one carded 

 with the type. 



Type in the collection of the British Museum (Natural 

 History). 



Limnophila diffusa, sp. n. 



Head grey ; mesonotal praescutum yellow with three dark 

 brown stripes ; wings greyish yellow with a very pale 

 diffuse pattern ; abdominal segments ringed with brown and 

 yellow. 



Female. — Length 8*6 mm. ; wing 9 mm. 



Rostrum yellowish ; palpi brown. Antennse with the 

 elongate first scapal segment pale brown, the second obscure 

 yellow ; flagellum broken. Head grey, the region of the 

 occiput more brownish yellow. 



Pronotum pale greyish brown. Mesonotal prsescutum 



Ann. & Mag. N. Hist. Ser. 9. Vol vi. 24 



