540 Mr. G. T. Betliune-Baker on 



ringed wliite point in the cell over the lower part of the line ; 

 postmedian line sharply crenulate, receding on the fold ; 

 termen with fine black internervular points; a white point 

 beyond the cell in the crenulate line, three white costal points 

 beyond that line, and below these a dark indefinite cloudy 

 patch. Secondaries with a dark dot in the cell ; a median 

 crenulate line; termen with dark internervular points. 



Expanse 50 mm. 



Hah. Lagos. 



Type in tlie Hope Museum. 



Catada rex, sp. n. 



$ . Head blackish ; collar, thorax, and abdomen orange, 

 the latter fading into grey beyond the middle. Primaries 

 with the costa finely black and the posterior half of the wing 

 also blackish, the basal half being orange. Secondaries witii 

 the basal two-thirds orange, the posterior ihird blackish. 



Expanse 32 mm. 



Hab. Oni (Lagos). 



Type in the Hope Museum. 



This species is close to C. ducalis, Schaus, but the yellow 

 areas are not the same. 



Lymantriadse. 



PSEUDAECTIA, gen. nov. 



Palpi hairy, small; antennse shortly pectinate in female. 

 Neuration : primaries with vein 2 from near the middle of 

 the cell, 4 from the angle, 3 and 5 from close to the angle, 6 

 from the upper angle ; 7, 8, 9, and 10 stalked, 10 at a quarter 

 from the cell, 7 from beyond the middle ; 11 free from the 

 cell. Secondaries with 4 from the angle, 3 and 5 from close 

 to the angle, 6 and 7 from the upper angle, 8 bent down to 

 the cell and touching very shortly. 



Type, Pseudarctia nivea, B-B. 



Pseudarctia nivea, sp. n. 



? . Head, thorax, and abdomen white; antennae blackish ; 

 legs white, femora red laterally, tibise and tarsi brown laterally. 

 Both wings pure white, without any mark at all. 



Expanse 52 mm. 



Hab. N'tebi (Uganda). 



Type in my collection. 



Leucoma albifrons, sp. n. 

 S . Head, thorax, and abdomen pearly white ; antennae 



I 



