1718 CATALOGUE OF 
Antenne valide, late pectinate. Abdomen alas posticas longe su- 
perans. Pedes validi; tibize postice calcaribus duobus apicalibus 
mediocriter longis. Ale anguste ; antice longiuscule, apud cos- 
tam recte, apice rotundate, margine exteriore perobliquo; postice 
breviuscule. 
Male. -Body stout. Head and thorax very hairy. Palpi 
rather short ; third joint very small. Antenne stout, deeply pecti- 
nated, about half the length of the body. Abdomen rather long, 
tapering from near the base to the tip. Legs stout; hind tibie with 
two moderarely long apical spurs. Wings narrow. Fore wings. 
very much longer than the hind wings, straight in front, rounded 
at the tips, vory oblique along the exterior border ; first, second and 
third inferior vein nearly contiguous at the base; fourth more than 
twice further from the third than the third is from the first, Hind 
wings extending to nearly half the length of the abdomen. 
The Synopsis, p. 586, includes this genus with Sczathos, from 
which it is distinguished by the preceding characters. It is some- 
what allied to Antheua. 
1. DECIMIA BICOLORA. 
Mas. Fusca; caput, thorax, pectus, abdominis fascie pedesque 
lutea ; ale cinereo-fusce, apud costam lutee. 
Male. Brown. Head, thorax, pectus, fore borders of the ab- 
dominal segments and legs thickly clothed with luteous hairs. An- 
tenne testaceous above. Wings grayish brown, slightly hyaline ; 
costa luteous; ciliz testaceous. Hind wings rather paler than the 
aie wings. Length of the body 8—9 lines; of the wings 14—16 
ines. 
Var. 6. Wings towards the base and fore wings along the 
costa luteous. 
a. South Africa. Presented by Dr. A. Smith. 
b. Port Natal. From Mr. Stevens’ collection. 
Genus ARCHYLUS. 
Mas. Corpus sublineare, subcylindricum, mediocriter longum 
et robustum. Palpi brevissimi. Antenne subtus serrate aut sub- 
pectinate. Pedes graciles; tibie postice calcaribus nullis. Ale 
late ; antice apud costam vix convex, apice rotundate, margine 
exteriore sat obliquo; postice abdomen vix superautes. 
