1892.] SPECIES OF LEPIDOPTERA HETEROCERA. 327 



also a large red space on the outer margin of the primaries. Body 

 brownish grey. 



Expanse 44 mm. 



Hab. Corcovado, Rio Janeiro. 



Perophora acuta. 



Primaries with the apices very much prolonged. Wings light 

 grey, speckled with black ; a black spot in the cell on the primaries ; 

 on the costal margin of the same wings, at about three fourths from 

 the base, a faint brown oblique line, which forms a sharp angle and 

 extends to the middle of the inner margin on the secondaries. Body 

 grey, speckled with black. 



Expanse 42 mm. 



Hah. Petropolis, Brazil. 



Fam. CossiDiE. 



COSSUS PARILIS. 



Primaries above black, covered with a network of velvety black 

 lines and striae, the most conspicuous forming an extra-basal and 

 a marginal transverse line ; all these velvety black lines are finely 

 bordered with brownish scales : underneath blackish, the costa and 

 the outer margin greyish, with darker spots and striae. Secondaries 

 above whitish, with numerous transverse indistinct striae ; the inner 

 margin broadly black : underneath almost the same, but without 

 the dark inner margin. Thorax and abdomen black, with a few 

 brown and grey scales. 



Expanse 43 mm. 



Hab. Rio Janeiro, Brazil. 



CoSSUS HORRIFER. 



Black, the primaries above with a few velvety black lines, chiefly 

 along the costal margin ; a broad basal line, posteriorly bifurcated, 

 and a submarginal irregular line not reaching the inner margin ; 

 the outer margin with numerous deep black strise. The secondaries 

 above brownish black, with a few indistinct darker lines. Under- 

 neath, the wings are dark grey, covered with blackish striae ; the 

 disk of the primaries with long black scales. Antennae more deeply 

 pectinated than in Cossus parilis, Schaus. 



Expanse 70 mm. 



Hab. Rio Janeiro. 



COSTRIA ABNOBA. 



Primaries above dark silvery grey, the outer margin broadly 

 brown, with darker brown spots ; a basal small brownish shade ; 

 a large, round, whitish discal spot. Secondaries above brown. 

 Underneath greyish brown, the extreme margins spotted with dark 

 brown ; the apices with a small yellowish space. Head and thorax 

 in front dark velvety brown, thorax otherwise silvery grey. Abdomen 

 brownish above, light grey underneath. 



Expanse && mm. 



Hah. Palmeiras, Rio Janeiro. 



