546 Mr. G. T. Betliune-Baker on 



Aroa callima^ sp. r\. 



$. Head, thorax, and abdomen whitish. Primaries whiter, 

 tinged in parts witli pale chestnut cream-colour, especially 

 beyond the cell; a basal costal mark, beyond which is a 

 second larger cliestnut-grey patch ; a small costal spot near 

 the middle, followed by a darker one a third in front of the 

 apex ; a trace of a fine, extremely irregular, white subterminal 

 line projected outwards between veins 3 and 4; above this 

 projection the termen has three snow-white spots, the central 

 being the largest one ; apex with a small black spot, behind 

 which is a pure white obscure spot. Secondaries white, 

 tinged with deep cream between veins 2 and 6. 



Expanse 36 mm. 



Hah. Idakun (Lagos) ; May. 



Type in tlie Hope Museum. 



Aroa perfida, sp. n. 



^ . Head and thorax brownish, abdomen grey. Primaries 

 pale brownish, with a darker median area and a darker patch 

 on the termen just above the tonius. Secondaries almost 

 white, with grey fringes. 



Expanse 26 mm. 



Hab. Gunnal, W. Africa. 



Type in my collection. 



A?-oa catori, sp. n. 



(^ . Head, thorax, and abdomen brown, the latter with a 

 dark brown, short, dorsal proximal tuft. Primaries darkish 

 brown, with a subbasal dark patch specially marked in tiie 

 cell and another dark patch at the end of the cell intersected 

 by paler lines ; postmedian line finely and sharply crenulate 

 waved, in a broad land of whitish ; a small dark patch on 

 the costa and also in the fold adjoining this band ; a sub- 

 terminal row of dark internervular spots, with a short inner 

 vow preceding it in the radial area. Secondaries brownish 



giey. 



Expanse 26 mm. 



Bah. Lokoja District (100 miles N.). 



Type in my collection. 



Aroa ohliqua, sp. n. 



(J . Head and thorax brown ; abdomen brownish grey. 

 Primaries daik brown, with an oblique pale fawn-coloured 

 stripe from just before the apex to the middle of tiie inner 

 margin, increasing in width to the margin; on the outer 



