Heterocera from Tropical Africa. 351 



Brachaktona, Hamps. 

 Brachartona unxia, sp, n. 



Primaries and secondaries purplish brown. Head and 

 antennse black ; thorax brown ; abdomen and legs blackish 

 brown. 



Expanse -^ inch. 



Hah. West Africa, Lagos {Mus. Druce). 



Brachartona (?) titcea^ sp. n. 



Primaries and secondaries semihyaline smoky brown, the 

 veins and the fringe darker. Head, antennee, and thorax 

 black ; abdomen golden yellow on the upperside, the sidea 

 and underside and legs black. 



Expanse j^q inch. 



Hob. South Africa, Transvaal {Mus. Druce). 



Nyctemeridae. 



Aletis, Hiibn. 



Aletis alba, sp. n. 



Primaries and secondaries semihyaline white ; primaries, 

 the costal margin broadly bordered with black, the apical half 

 of the wing greyish black ; a large white spot slightly beyond 

 the end of the cell, below which, on the outer margin near 

 the anal angle, are two white spots ; the base of the primaries 

 pale orange : secondaries with a dentated black margin. 

 Underside the same as the upperside. Head, antennae, and 

 thorax black ; collar spotted with white j abdomen yellow ; 

 legs greyish black. 



Expanse 2^ inches. 



Hah. West Africa, Sierra Leone {Mus. Druce). 



Aletis kedar^ sp. n. 



Primaries white, the apical half and the veins black ; a 

 large oval-shaped white spot close to the apex ; the costal 

 margin black : secondaries white, the veins black ; the apex 

 and outer margin bordered with black ; the black margin is 

 dentated near the anal angle. Head, collar, and underside of 

 thorax pale yellow ; antennae, thorax, and abdomen above 

 black, banded with white ; the underside of the abdomen 

 white ; the anus yellow ; legs greyish black. 



Expanse 2 inches. 



Hah. East Africa, Dar-es-Salaam {Mus. Druce). 



