678 
COLLA. By Dr. W. Schatjs. 
liiemalis. 
lunilinea. 
crdae. 
rhodope 
netrix 
below it, also between postmedial line and partly on termen, cinnamon drab faintly tinged with olivaceous; 
postmedial line double, the first line heavily marked, the second line very fine diverging somewhat towards 
inner margin; small cream coloured spots on termen between veins 3 and 4, and 5 and 6, and similar mottling 
towards apex. Hindwing vinaceous tawny; first postmedial line darker slightly incurved, the second line hair 
brown slightly outcurved and well marked; termen narrowly pale orange yellow. Forewing below greenish 
yellow, the hindwing partly suffused with vinaceous tawny, the lines as in casnonia. Female: Fore wing: the 
fascia below costa and apical space vinaceous fawn, the costa, triangular space above inner margin, and termen 
below vein 5 deep brownish vinaceous. Hindwing orange cinnamon, the lines faint. Expanse: Male 34 mm; 
female 45 mm. The Guianas. 
E. hiemalis Btlr. Male: Head cinnamon. Body above dark vinaceous drab, underneath usually orange 
cinnamon. Forewing mostly bay, the inner margin suffused with chestnut; costal edge orange cinnamon; cell 
except base and a large apical space irrorated with white hairs; some white hairs on costal margin above a dark 
postmedial patch; antemedial dark line outcurved and dentate on veins; postmedial line single, fuscous, lunular 
preceded by dark olive between veins 2 and 4, and a small spot below vein 2, also followed by some small greenish 
spots; a large round greenish spot medially below vein 2 at antemedial line. Hindwing bay or ochraceous tawny, 
the postmedial fine, sinuous, the medial broader and diffuse. Fore wing below deep brownish drab or buffy 
brown, the costal edge and postmedial line as above. Hindwing below brownish drab or buffy brown, the lines 
as above. Female: Forewing rather brighter than the male, the markings more confused, the greenish spots 
above vein 1 larger, but sometimes absent ; traces of two postmedial lines well defined on underside; no white 
scales in cell nor at apex. Hindwing usually orange cinnamon darker shaded along inner margin. Expanse: 
Male 30 mm; female 47 mm. French Guiana; Amazons. 
E. lunilinea Schs. (89 a). Male: Head: palpi brown; frons whitish buff: some brown hairs at base of 
antennae; shaft of antennae white, the pectinations brown. Body and wings dull purplish grey.. Forewings 
with the lines slightly darker; antemedial line geminate, wavy, slightly outcurved; a medial lunular line outbent 
and touching the dark discocellular line, the lunules inverted and touching the postmedial, forming indistinct 
spots; postmedial geminate, lunular. Hindwings tinged with whitish on costal margin; a postmedial geminate 
line, hardly visible; some dark shadings on inner margin. Wings below duller with only the postmedial lines 
faintly indicated. Expanse: 58 mm. Rockstone, Essecpiebo River, British Guiana. 
E. erdae sp. n. (89 b). Male: Body above dark greyish brown mottled with olivaceous buff hairs, 
underneath light buff with dark transverse lines. Forewing acute, the outer margin straighter, hair brown, the 
inner margin and termen suffused with fuscous; the disc more thinly scaled; costal edge drab; postmedial line 
fuscous double, slightly inbent, lunular; termen narrowly and cilia light drab irrorated with fuscous; cilia on 
inner margin avellaneous on basal half. Hindwing chaetura drab, the disc pale drab grey, semihyaline; cilia 
on inner margin avellaneous; the two lines near termen only defined on underside where the anal angle is partly 
orange buff. Expanse: 33 mm. Upper Amazons, Brazil. Type in U.S. Nat. Museum Washington. 
2. Genus: Colla Wkr. 
Male: Palpi short, upturned, hardly reaching frons; hind tibia with 2 terminal spurs. Forewing: apex 
rounded; termen usually rounded, in male of glaucescens straight and inbent; vein 2 from beyond middle of 
cell; 3 close to or from angle; 4 from angle; 5 from near upper angle; 6—9 stalked; 10 absent; 11 from cell 
or sometimes stalked with 6—9. Hinclwing: vein 2 well beyond middle of cell; 3 and 4 from lower angle; 5 above 
middle of discocellular; 6 and 7 stalked; 8 connected with 7 near base. 
Type: C. glaucescens Wkr. 
C. rhodope Dm. (= opalina Btlr.) (89 b). Male: Body above isabella colour ; tegulae partly white; abdomen 
laterally and below white. Wings rather thinly scaled, white. Forewing: costal edge antemedially and post- 
medially isabella colour, the markings light greyish olive; an antemedial spot in cell and an inbent line below 
cell; a fine line on discocellular; an inbent double and irregular postmedial line, outbent below vein 3; a marginal 
macular line; a terminal line. Hindwing: inner margin densely scaled; a dark spot above angle sometimes 
preceded below vein 2 by a postmedial and subterminal spot, more distinct on underside. Forewing below 
showing most of the markings in transparency. Female: Forewing: the markings similar to male but all broader; 
outer postmedial line lunular, also the marginal line. Expanse: Male 39 mm; female 40—48 mm. Mexico to 
Paraguay; the Guianas. 
C. netrix Stoll. Female: Body above yellow ocher. Thorax with a lateral white line; abdomen laterally 
white. Wings white. Forewing: lines yellow ocher; antemedial fascia wide on costa outcurved ending in a 
