154 Colonel C. Swinhoe on Neio Species of 



Birth AM A basibrunnea, nov. 



^ . Antennae pale chestnut-colour, palpi, head, body and nearly 

 the basal half of the fore-wings rich dark brown, palpi with the tips 

 and base ochreous, top of head also ochreous, the basal brown 

 portion of the fore-wings limited by an ochreous line, which is 

 outwardly curved and has two indentations, one above and the other 

 below the middle, the outer portion of the wing is pale pinkish- 

 brown, with brown irroi-ations ; a submarginal row of brown dots, 

 inwardly edged with whitish, a grey thin band close to the margin, 

 a marginal grey band, and grey tips to the cilia ; hind-wings 

 whitish, outer margin and cilia tinged with grey ; under-side, wings 

 whitish witli some brown suflusion in their centres, brown marginal 

 and sub-marginal lines on both wings, body and legs dark rich 

 chestnut-brown. 



Expanse of wings 1 inch. 



Dar-es-Salaam, German East Africa. 



Is more of the shape of a Miresa, but has vein 7 of the 

 fore- wings from the upper angle of the cell, 8, 9 and 10 

 stalked. 



Family ZYGiENID^E. 



Genus Pteroceropsis, nov. 



(^ . Proboscis present, palpi upturned very minute, frons rounded 

 and prominent, antenna) with the outer half much thickened and 

 curved, unipectinate on the lower half, the pectinations very short at 

 the base, increasing in length gradually towards the middle, the 

 upper half bipectinate, the pectinations long on one side, and 

 thickened and clubbed with seti« forming a massive plume ; fore- 

 wings with all the veins from the cell ; hind-wings with veins 6 and 

 7 parallel and close together, 7 a long distance from 8 and joined to 

 it by a bar. 



Pteroceropsis unipuncta, nov. 



(^ , $ . Palpi, head, antennae, body and fore-wings black, some 

 glistening blue scales on the antennal plume and on the frons, two 

 transverse bands of the same colour on the fore-wings, basal and 

 ante-medial, a largish white spot at the end of the cell and a blue 

 spot below it, hind-wings hyaline with black borders, the outer 

 marginal border occupying one-third of the wing; under-side with a 

 broad ochreous band on the centre of the abdomen ; the fore-wings 

 of the male with a broad ochreous stripe above and close to the 

 hinder margin, absent in the female. 



Expanse of wings, cJ To, ? 1 inch. 



