LEPIDOPTERA HETEROCERA. 591 



Male and female. Brown. Head ochraceous ; vertex deep 

 black, with short erect penicillate hairs. Palpi and antennae ochra- 

 ceous. Thorax cinereous, shining, with a narrow black band in 

 front and an ochraceous band across the middle ; hind part with 

 numerous deep black glossy penicillate hairs. Abdomen ochraceous, 

 crested towards the base with deep black penicillate hairs ; apical 

 tuft composed of deep black penicillate hairs and of longer white 

 hairs. Fore wings transversely and thickly streaked with shining 

 cinereous, irregularly reticulated with deep black. Hind wings dark 

 cupreous-brown in the male, cinereous-brown in the female. Length 

 of the body 8 lines; of the wings 14 lines. 



a, b. Sierra Leone. From Mr. Foxcroft's collection. 



c, d. (Pupa). Sierra Leone. From Mr. Foxcroft's collection. 



Genus CASANA. 



Mas. Corpus robustum. Proboscis nulla. Palpi porrecti, 

 robusti, pubescentes, caput non superantes ; articulus 3us conicus. 

 Antennae pectinatae. Abdomen lougissimum, fasciculis tribus 

 apicalibus. Pedes robusti, subfimbriati ; tibiae posticae calcaribus 

 quatuor elongatis. Alae angustae ; anticae apice rotundatae, margine 

 exteriore eonvexo perobliquo. 



Male. Body stout. Proboscis obsolete. Palpi porrect, stout, 

 pubescent, not extending beyond the head ; third joint conical, 

 about one-fourth of the length of the second. Antenna? moderately 

 pectinated. Abdomen very long, extending for full three-fourths of 

 its length beyond the hind wings; tip with a long thick tuft, and 

 with two lateral tufts, which are at right angles to the apical tuft. 

 Legs stout ; femora and tibiae slightly fringed ; hind tibiae with four 

 long spurs. Wings narrow. Fore wings rounded at the tips; ex- 

 terior border convex, extremely oblique ; third inferior vein more 

 than twice further from the fourth than from the second, to which 

 it is very near. 



Casana trochiloides. 



Mas. Nigro-cyanea ; thorax plagis duabus lateralibus anticis 

 scutelloque argenteo-albis ; abdomen apice subtus pallide 

 auratum, fasciculis duobus ochraceis unoque nigro ; pedes 

 cuprei ; alee anticce nigra, chalybceo guttatce, subtus viridi- 

 cyanece; posticce vitrece, nigro late murginatce. 



2a3 



