365 



and upper half of the outer orbits black. The vvings are of a deepef 

 fuscous black colotir than usual ; the stigma narrowly black at the 

 apex, broadly so at the base. 



Iphiaulax sex-fasciatus n. sp. — Rufo-testaceous, the anten- 

 nse, tips of mandibles, front, vertex, occiput and slightly inore than 

 the upper half of the outer orbits black; wings fuscous, the basai 

 two-thirds of the stigma ochraceous yellow, the apex and nervures 

 black; a hyaline cloud in the costal nervure in the apical half, 

 reaching to the nervure in front, but not at the apex and behiud, 

 the greater part of the i st cubital cellule, a small pyriform cloud 

 below its apex, outside the récurrent nervure, a cloud outside the 

 posterior discoidal cellule, extending more narrowly across the anal 

 nervure and a small one on the inner, anterior part of the trans- 

 verse médian nervure ; there are 2 distinct bullse on the 2 nd trans- 

 verse cubital nervure; the hind wings are unclouded. Abdomen 

 smooth ; the centre of the 2 nd segment striated; ail the furrows are 

 crenulated ; the area on the 2 lld segment is smooth, moderalely 

 large ; triangular ; there are crenulated furrows on the base and 

 apex of the 3 rd and 4 th , with a crenulated, apical branch on the 

 outer apical part; there is a weaker furrow on the base and apex of 

 the 5 th . $. 



Length 10 mill. ; terebra 10 mill. 



Kitobola (Rovere). 



Temples as long as the eyes, obliquely narrowed, the occiput 

 transverse. Face aciculated and punctured and covered with white 

 hair. Tarsi closely, strongly spinose, especially at the apices of the 

 joints. 



Iphiaulax congoensis sp. n. — Black, shilling, the head 

 pallid yellow, as are also the mandibles except at the apex; the 

 palpi of a more rufous tinted yellow ; apical half of antennse rufo- 

 fuscous ; wings fuscous, tinged with violaceous, the nervures and 

 stigma black, the 2 nd abscissa of radius slightly longer than the 3 rd ; 

 the transverse médian nervure not quite interstitial, being received 

 shortly beyond the transverse basai; the fore third of the 2" ,, traus- 

 verse cubital nervure straight, slightly oblique, the rest roundly 

 curved backwards. i st abdominal segment smooth, a strong keel 

 down its middle; the 2 nd , 3 rd , and basai three-fourths of the 4 th , 

 strongly striated, a keel down the centre, that on the 2 ml with a 

 small, smooth triangular dilatation at the base. Scape fringed with 

 long white hair. Anterior legs densely covered with pale, the 

 4 hinder with black hair. Metanotuin and the sides of basai abdo- 



