198 Mr. KE. Meyrick on 
uncus curved, points appressed, claspers moderately broad, some- | 
what dilated, apex rounded. Posterior tarsi not rough-scaled. 
Forewings moderately elongate, somewhat dilated, costa gently 
arched, apex rounded, termen rounded, somewhat oblique; 8 and 9 
stalked; pale greyish-ochreous; basal area and anterior half of 
dorsum suffusedly mixed with dark fuscous; a large triangular 
patch of subconfluent dark fuscous maculation extending along 
costa from } to 3, its apex reaching # across wing in middle; an 
irregular subterminal series of small dark fuscous spots: cilia light 
brownish, indistinctly barred with dark fuscous suffusion. Hind- 
wings rather dark fuscous; cilia pale fuscous, with darker subbasal 
shade. 
VENEZUELA, Ciudad Bolivar, in June and July. Super- 
ficially excessively similar to particeps from the same 
locality, but structurally abundantly distinct. 
Acrolophus subfusca, n. sp. 
g. 26-28 mm. Head, palpi, and thorax rather dark fuscous; 
- palpi extremely long, strongly recurved, reaching to extremity of 
thorax, strongly thickened with dense scales projecting roughly 
above on two apical segments. Antennae with short thick pecti- 
nations. Abdomen fuscous, uncus short, closely appressed through- 
out, abruptly bent at base, claspers moderate, slightly expanded, 
apex rounded. Posterior tarsi not rough-scaled. Forewings 
rather elongate, moderate, somewhat dilated posteriorly, costa 
gently arched, apex rounded, termen rounded, somewhat oblique ; 
all veins separate; rather dark fuscous; some costal strigulae, 
and cloudy spots in disc below middle and at % faintly darker or 
obsolete: cilia fuscous. Hindwings and cilia fuscous. 
ARGENTINA, Tucuman; two specimens. 
Acrolophus phaeomalla, n. sp. 
¢. 15-17 mm., 2. 20mm. Head, palpi, and thorax brown, darker 
in $; palpi in g extremely long, recurved, reaching extremity of 
thorax, thickened with dense rough scales, roughly expanded to- 
wards apex; posterior extremity of thorax whitish. Antennae in 3 
strongly bipectinated. Abdomen rather dark fuscous, uncus 
moderate, directed downwards, appressed throughout, claspers 
moderate, with prominent tooth above before middle, extremity 
rather obliquely subtruncate. Posterior tibiae and tarsi smooth- 
scaled. Forewings in $ moderate, posteriorly dilated, in 2 elongate, 
costa in ¢ moderately, in 9 gently arched, apex rounded, termen 
