Heterocera from Costa Rica. 203 



base ; the hyaline patcli with black points on veins ; the outer' 

 margin dark brown from angle to vein 3, then paler and 

 mottled with grey, preceded above vein 4 by a whitish shade 

 and between veins 5 and 7 by darker Lrown. Secondaries 

 white, the inner margin suffused with roseate. Underneath, 

 primaries white, a roseate patch in cell ; outer margin dull 

 brown above vein 3. Secondaries : a single dark streak at 

 base of costa and crimson hairs at base of both wings. 



Expanse, <^ 41, ? 47 mm. 



Ilab. Juan Vinas, Tuis. 



This species is Ab. I. of B. myosticta, Hamps. Typical 

 myosticta has a geminate black streak at base of secondaries 

 below, a character I have not found in any other species of 

 the genus. 



Bertholdia fumida, sp. n. 



Altogether darker than B. crocea, Schs., the female espe- 

 cially being a dark smoky grey and having a black subdorsal 

 spot on the last segment of the abdomen. The primaries 

 below are entirely dark smoky grey, with only a trace of 

 whitish above the inner angle in the male. Secondaries 

 white, with very little crimson at base of inner margin, which 

 is broadly suffused with smoky black, which in the female 

 extends around the outer margin. The female with a dark 

 point at end of cell. 



Expanse, $ 42, ? 47 mm. 



Bab. Juan Vinas, Tuis. 



Noctuidse. 



Elceognatha troctopera, sp. n. 



Palpi grey irrorated with brown ; a dark brown lateral 

 streak on second segment. Head and thorax brown. Abdo- 

 men dark grey above, whitish grey underneath. Primaries 

 silvery grey shaded with brown ; an indistinct wavy ante- 

 medial brown shade, outwardly slightly oblique from costa ; 

 a large dark brown median shade on costa extending to just 

 below cell and containing a black streak above cell and one 

 in it, the latter interrupted by a small paler brown spot ; 

 discocellular vein buff edged with white ; an irregular dark 

 wavy brown postmedial line, somewhat angled beyond cell and 

 much broken below it, shaded on either side with buff; a 

 subterminal wavy white shade forming a large lunule between 

 veins 5 and 2, and below vein 2 perpendicular to angle ; 

 blackish terminal spots between the veins ; fringe brownish 



