LEPIDOPTERA HETEROCERA. 799 



3. ACYPHAS PLAGTATA. 



Mas. Fusca, subtus albida; pedes albidi; alee anticce fasciis 

 nonnuliis obliquis undulatis obscurioribus, vittaque lata inter- 

 rupta costali albida, maculaque parva postica testacea ; pos- 

 tica? pallidiores. 



Brown. Palpi and body whitish beneath. Legs whitish. 

 Fore wings above brown, with three or four darker brown oblique 

 undulating bands; a broad whitish interrupted stripe along the 

 costa, and a small pale testaceous spot near the hind angle, 

 situated like that of Orgyia gonostigma ; under side pale brown, 

 with a faint oblique discal darker band. Hind wings pale brown, 

 whitish towards the hind angle. Length of the body 5 lines ; of the 

 wings 13 lines. 



4. ACYPHAS ROBUSTA. 



Mas. Fusca ; corpus supra pilis nonnuliis albis, subtus testaceo 

 alboque pilosum ; palpi subtus testacei ; pedes supra fasciis 

 fulvis albidisque subtus albidi ; ala albido notatce, subtus 

 albida. 



Male. Body above brown, with a few white hairs; under side 

 with testaceous and white hairs. Palpi brown above, testaceous 

 beneath. Legs above with alternate bands of tawny and whitish 

 hairs, whitish beneath. Wings above brown, with many small 

 irregular whitish marks, which are mostly on the fore wings; under 

 side whitish. Length of the body 6 lines ; of the wings 14 lines. 



a. Sierra Leone. Presented by the Rev. D. F. Morgan. 



Genus 10. REPENA. 



Mas. Corpus gracillimum. Palpi porrecti, graciles, pilosi, 

 longiusculi, caput sat longe superantes; articulus 2us lo mulio 

 longior ; 3us elongatus, lanceolatus, 2o brevior. Antennae late pec- 

 tinatae. Abdomen alas posticas non superans. Pedes graciles, vix 

 pilosi ; tibiae posticae calcaribus quatuor lougis. Alae latae, anticae 

 ad costam rectae. 



Male. Body very slender. Palpi porrect, slender, pilose, 

 rather long, extending some distance beyond the head ; second joint 

 much longer than the first ; third elongate, lanceolate, shorter than 

 the second. Antennae deeply pectinated. Abdomen extending 

 nearly as far as the hind wings. Legs slender, hardly pilose ; hind 



