( 395 ) 



is a whitish mark near the base, aud another nearer the aual aagle ; on the costa 

 near the apex is a white spot followed by a short broad dash of pink along the 

 costa. Apex and apical half of the posterior margin pinkish ochreons brown, 

 a snbapical patch of pale pinkish brown as on the njiper snrface ; below the cell 

 the wing is nearly devoid of scales. Secondaries dusky with a short obli([ne 

 white dash from the middle of the costa, preceded by a deep black costal patch. 



Expanse : 37 mm. 



Hub. Dinawa, August. 



The type is in my collection. 



04. Arguda pratti spec. nov. (PI. IV. f. 33). 



S. Head and thorax pale fawn-brown, palpi purplish brown, abdomen reddish 

 brown. 



Primary ochreous brown tinged slightly with chestnut-colour, irrorated with 

 grey, two medial waved darker stripes palely edged, widely separate, the interspace 

 much filled with grey irrorations, beyond the outer line a band of grey irrorations 

 with pale brown edging, which (edging) is margined by an oblii]ue row of dark 

 grey spots in the vein interspaces. Secondary red-brown, costa greenish brown, 

 with a single short grey transverse dash. 



? . Similar to male, but rather more reddish and with less of the grey irroration; 

 it is a somewhat paler insect. 



Expanse : c? 44, ? 53 mm. 



Ilab. Ekeikei, January. 



The type is in my collection. 



65. Opsirhina aroa spec. nov. 



c?. Head and thorax, red-brown, abdomen pale red-brown. 



Primary reddish, with two almost parallel transverse slightly curved inwardly 

 dark lines palely edged outwardly, a slight trace of grey irroration on the termen, 

 more distinct at the apex, a small indistinct blackish dot closing the cell. Fringes 

 dark. Secondary slightly reddish brown, paler for the basal third and fringes 

 darker. Below the primaries are much paler and yellower with the outer line 

 showing prominently through and the apex and termen quite dark ; the secondaries 

 are strongly irrorated with purplish brown, with superimposed grey dusting and 

 two angled transverse stripes, the inner margin being quite pale. 



? . Both wings pale ochreous grey-brown, with an antemedial and postmedial 

 pale band, the medial area being darker with a small white spot in the cell ; 

 a slight trace of a third pale band nearer the apex. Secondaries darker with the 

 two medial pale bands rather obscure. 



Expanse : c? 40, ? 69 mm. 



Ilab. Aroa River. 



The type is in the Tring Museum. The single male was taken in March, 

 whilst the female was taken at the end of January. I have no doubt as to the 

 sexes, however. 



Isostigena gen. nov. 

 (J. Paljii minute, antennae deeply bipectiuate to over a third, then suddenly 

 reduced and tapering slightly to the tip ; legs densely clothed with thick brushes 

 of long hair to the end of the tarsi. 



