LEPIDOPTERA HETEROCERA. 1319 



large curved discal black spot, and with marginal black streaks. 

 Fore wings with a black basal streak. Length of the body 11 lines; 

 of the wings 30 lines. 



a. United States. Presented by E. Doubleday, Esq. 



South America. 



4. Hemileuca venosa. 



Mas. Nigra, testaceo pilosa ; abdomen maculis lateralibus tes- 

 taceis, apice rnfum ; alee sordide albidce,fasciis duabus nigri- 

 cantibus, venis nigro nebulosis. 



Male. Black. Antennae extremely deeply pectinated, a little 

 more than half the length of the body ; branches in pairs ; one in 

 each pair longer than the other and deeply ciliated. Palpi partly 

 clothed with testaceous hairs. Thorax with some testaceous hairs, 

 wholly testaceous in front. Abdomen with lateral testaceous spots, 

 red at the tip, extending to rather beyond three-fourths of the 

 breadth of the hind wings. Legs stout ; tibiae and tarsi clothed be- 

 neath with reddish testaceous hairs. Wiugs dingy whitish, with 

 two blackish bands, the first near the second, which is marginal ; 

 veins more or less clouded with black ; veinlet across the end of the 

 discal areolet testaceous, tore wings straight along the costa ; 

 second inferior vein nearly twice further from the third than from 

 the first. Length of the body 8 — 9 lines ; of the wings 22 — 24 

 lines. 



a. Santa Fe de Bogota. Presented by E. Doubleday, Esq. 

 6. Santa Fe de Bogota. From Mr. Isaacson's collection. 



c. Carraccas. Presented by E. Doubleday, Esq. 



d. New Grenada. From Mr. Stevens' collection. 



Genus 20. APHELIA. 



Mas. Corpus gracile. Palpi breves, pilosi, caput non su- 

 iperantes. Antennae latissime pectinatae, thorace paullo longiores ; 

 rami ciliati, gracillimi, aequaliter longi, non duplicati. Aire latis- 

 simse, non longas, vix vestitae; anticae apud costam subconvexre, 

 apice subangulatae, margine exteriore obliquo subrecto ; posticee 

 multo latiores, abdomen plus dimidio superantes. 



Saturnia, p., Boisd. 

 Saturnia (Aphelia), Westw. 



PART VI. 3 B 



