$28 CATALOGUE OF 



with an exterior slight oblique brown line, and with elongated black 

 marginal points ; exterior border straight, slightly oblique. Hind 

 wings ochraceous, with brown speckles, which are most prevalent 

 towards the tips and towards the interior angle ; a brown dot near 

 the costa before the middle. Length of the body 8 lines ; of the 

 wings 18 lines. 



It may be distinguished from the other African species by the 

 transverse line of the fore wings. 



a. Natal. From M. Gueinzius' collection. 



Aroa signata. 



Mas. Pallide cinereo-cervina ; palpi porrecti, graciles, pilosi, 

 capitis latitudine vix breviores, articulo So longi-conico ; an- 

 tennae subpectinatce ; alee anticce subacute, atomis, puncto dis- 

 cali punctisque marginalibus elongatis nigris, linea obliqua 

 rufescente ; posticce lutece, vitta apud marginem interiorem, 

 linea fasciaque marginali fuscis. 



Male. Pale cinereous fawn-colour. Palpi Render, pilose, 

 porrect, nearly as long as the breadth of the head ; third joint elon- 

 gate-conical, less than half the length of the second. Antennae 

 slightly pectinated ; branches black. Abdomen not extending 

 beyond the hind wings ; apical tuft small. Legs short ; hind tibiee 

 with four long slender spurs. Fore wings slightly acute, thinly 

 speckled with black, with a point of black speckles in the disk, and 

 with a reddish line, which is speckled with black and extends from 

 six-sevenths of the length of the costa to two-thirds of the length of 

 the interior border; exterior border with elongated black points, 

 slightly convex hindward. Hind wings luteous, thinly speckled 

 with black, with a brown stripe near the interior border, and with a 

 brown line, which is connected at each end with a brown marginal 

 band, the latter partly reddish. Length of the body 8£ lines ; of the 

 wings 19 lines. 



A. ochraceata may be distinguished from this species by its 

 paler colour and by the spot on the hind wings. 



a. Natal. From M. Gueinzius' collection. 



AEOA DIFFICIL1S. 



Mas. Cinereo-fusca ; palpi porrecti, articulo 3o lineari ; ala 

 anticce apice subrotundatce, atomis nigricantibus, linea mar- 



