new African Heterocera. 567 



the angle, 5 from the middle of the cell, 6 and 7 from the 

 upper angle, 8 bent down to cell and anastomosing at a point 

 excessively shortly springing up immediately towards the 

 costa and running parallel thereto. 

 Type, Chrysech'opa unilinea, B-B. 



Chrysectropa unilinea, sp. n. 



cJ . Head, thorax, and abdomen dirty cream-colour. Botii 

 wings pale cream-colour, with a single pale rusty median 

 stripe running through eacli continuously; the ground-colour 

 has a somewhat shining texture; underside similar to the 

 upper, but all the veins are outlined with pale pinkish brown 

 and tliere is a small spot of black scales in each cell. 



Expanse 28 mm. 



Hah. Malange, W. Africa ; November. 



Type in my collection. 



Limacodidae. 

 Thosea aurifrons, sp. n. 



(J. Face, head, and prothorax golden orange, rest of 

 thorax dark rufous, abdomen dark rufous. Primaries : basal 

 half paler rufous, posterior half purplish brown, the two areas 

 separated by an oblique dark stripe ; a waved dark stripe 

 from before the apex to vein 4 on the termen, tornus below 

 this rufous. Secondaries uniform purplish brown. 



Expanse 28 mm. 



Bah. Malange, W. Africa ; October. 



Type in my collection. 



Thosea lineapunctata, sp. n. 



(J . Head, thorax, abdomen, and both wings very palo 

 pinkish brown. Primaries with an oblique median darker 

 stripe, shouldered on the lower margin of the cell, having a 

 white exterior edging ; from the costa just in front of the 

 apex there descends to about vein 3 a waved line of small 

 confluent dark spots ; apical half of termen darkly clouded, 

 the lower median area and the fold beyond the oblique stripe 

 finely irrorated with rufous, so as to form an indefinite cloud ; 

 the basal area also irrorated to a slight extent in like manner. 



Expanse 26 mm. 



Hab. N'Dalla Tando, 2700 feet ; November. 



Type in my collection. 



