632 Mr. W. Schaus on 



mottlings on postmedial area from vein 3 to costa. Hind 

 wings white ; a broad fnscous shade from base to outer 

 margin near inner margin. 



Expanse -46 mm. 



JJab. Slxola. 



Closely allied to T. pariUs, Schs. 



Cossus infantilis, sp. n. 



cJ . Body fuscous brown, the collar and thorax mottled 

 witli white. Fore wings brown ; a white spot on disco- 

 cellular ; a fine postmedial and subterminal fuscous-brown 

 line, each emitting downwardly oblique branches; some 

 greyish shadings on branches of subterminal. Hind wings 

 fuscous brown. 



Expanse 20 mm. 



Ilab. Esperanza. 



Cossus nina, sp. n. 



Head and thorax whitish grey, with some dark irrorations ; 

 Abdomen grey, palest on terminal half, and banded with 

 fuscous. Fore wings grey; a whitish shade at end of cell 

 and between veins 2 and 4; a few fine velvety black strife, 

 forming a medial line, which crosses a darker grey spot above 

 inner margin ; a postmedial line from vein 8 to tornus, 

 followed by a subterminal line inbent from near apex to 

 vein 5. Hind wings dark grey. 



Expanse 33 mm. 



Hah. Sixola. 



Ilypopta cinerea, sp. n. 



Head and thorax brown, mottled with buff hairs ; abdomen 

 greyish buff, faintly banded with fuscous. Fore wings greyish 

 bufij thickly covered with brownish striae.; subterminally a 

 small brownish spot between 4 and 5. and 6 and 7, both very 

 indistinct, geminate darker spots at end of veins; cilia dark 

 brown, with faint intervenal greyish-buff spots. Hind wings 

 similar ; the inner margin broadly brownish. 



Expanse 35 mm. 



Ilab. Sixola. 



Cossida albicosla, sp. n. 



Body brown, thickly mottled with while hairs, giving it a 

 grey appearance. Fore wings : the costal margin to near 

 apex whitish, crossed by a few dark striae near base ; the 

 inner margin fiinely white to beyond middle ; space below 



