South American Micro-Lepidoptera. 709 
light grey fascia from beneath middle of costa to tornus; second 
discal stigma blackish, closely preceding this ; a series of four grey 
spots confluent on margin traversing apex: cilia grey. Hindwings 
white, apical half light grey ; an expansible fringe of long ochreous- 
whitish hairs extending along vein 8 from base to 2 of wing, vein 
strongly sinuate beyond this; costa with long projecting rough grey 
and whitish scales from base to ? ; cilia white, basal third grey. 
DurtcH GUIANA, Onoribo, in January and March; two 
specimens. 
Antaeotricha canthoptila, n. sp. 
¢- 30mm. Head and thorax white, shoulders with a grey spot. 
Palpi grey, second joint dark grey on upper longitudinal half, 
ochreous-whitish towards base beneath, terminal joint 2, white 
except towards base. Antennal ciliations 14. Abdomen grey- 
whitish. Forewings elongate, broadest in middle, narrowed pos- 
teriorly, costa strongly arched, apex rounded, termen rounded, little 
oblique ; white ; a dark grey blotch occupying basal fourth of costa 
and reaching half across wing ; a faint dorsal patch of grey suffusion 
before 4, its dorsal edge forming a projecting tuft of raised ochreous- 
yellowish and dark grey scales; large median and smaller tornal 
blotches of faint pale grey suffusion, reaching more than half across 
wing, confluent dorsally ; second discal stigma dark fuscous ; an 
elongate patch of grey suffusion from beneath middle of costa to 
upper anterior angle of tornal blotch ; apex narrowly light grey : 
cilia white. Hindwings white with a faint ochreous tinge ; an 
expansible fringe of long ochreous-whitish hairs lying along vein 8 
in an ochreous-yellow subcostal groove, vein sinuate beyond this ; 
costa from base to ? with long rough projecting grey and whitish 
scales, longest in middle ; cilia white. 
DutcH GUIANA, interior, in August ; one specimen. 
Near basalis, Zell. 
Antacotricha praecisa, n. sp. 
3 2. 20-25 mm. Head and thorax dark fuscous with indigo-blue 
reflections, face whitish. Palpidark fuscous, terminal joint %, suffused 
with whitish except base. Antennal ciliations 24. Abdomen grey- 
whitish. Forewings elongate, costa moderately arched, apex rounded, 
termen rounded, little oblique ; a dark fuscous patch with purplish- 
leaden reflections and irregularly mixed with blackish extending 
from base of costa along dorsum to 3, reaching 3 across wing and 
posteriorly truncate, angle edged with black ; two irregular transverse 
TRANS. ENT. SOC. LOND. 1911.—PART IV. (JAN.) 34 
