new African Le.pidoptera. 431 



the veins ; a dark short indefinite dash below the apex in the 

 terminal area ; fringes pale grey, with two dark dividing- 

 lines : secondaries darker grey. 



Expanse 23 mm, 



Hab. Makala, Congo Free State, April 1906. 



In my collection and that of Major Powell-Cotton. 



Arcyothora mesonephele, sp. n. 



? . Frons ochreous grey ; vertex and collar pale greyish, 

 the latter tipped with white ; thorax greyish, with ochreous 

 patagia. Primaries pale brownish grey, with a restricted 

 ochreous basal patch, extending but little below the cell ; a 

 dark strongly ex-angled postmedian line edging the brownish- 

 grey area, in the angle of which (line) is a good-sized patch 

 of whitish-grey irroration ; area beyond this line ochreous, 

 with a terminal brownish patch between veins 2 and 6 ; two 

 small brownish costal spots in front of the apex : secondaries 

 brownish grey, with pale costa. 



Expanse 24 mm. 



Hab. Makala, Congo Free State, IMarch, 



In the Powell-Cotton collection. 



Ogovia anyidata^ sp. n. 



^ . Head and thorax pinkish grey, abdomen darker grey. 

 Both wings pale ochreous grey : primaries more or less 

 irrorated with pale pinkish red ; a curved antemedian pale 

 reddish line rising in a dull reddish costal spot; reniform 

 reddish, a largish costal pale reddish patch before the apex ; 

 costa more or less reddish grey, with a few spots on it ; a 

 trace of a subterminal row of grey internervular dashes; 

 termen with a row of dark points between the veins, termen 

 finely dark : secondaries with the termen broadly grey. 



Expanse 52 mm. 



Hab. Ituri Forest, Mawamba to Makala, March 1906. 



In the Powell-Cotton collection. 



Ercheia excavata^ sp. n. 



? . Head, thorax, and abdomen darkish grey. Primaries 

 darkish grey, with a basal blackish line, sharply waved ; an 

 outwardly oblique, strongly marked, interrupted, dark median 

 line ; postmedian line subcrenulate and somewhat obscure ; 

 subterminal double bne subserrate, excavated outwardly in 

 the radial area, followed by another serrate line ; termen with 

 a preterminal strongly crenulate dark line ; reniform stigma 



