1*222 CATALOGUE OF 



Species dubias. 



19. Attacus? Irtus. 



Alee patulce helvolce ; anticce macula fenestrata, posticus ocello atro ; 

 pupilla fenestrata. 



Bombyx Irius, Fair. EnU Syst. iii. 1, 409, 5. 



Magnitudo fere A. Atlas. Alae supra helvolae ; anticae macula 

 media, fenestrata, triangulari; postieae ocello magno, atro, pupilla 

 triangulari fenestrata absque iride, subtus fusco. 



East Indies. 



20. Attacus? Saturnus. 



Ala patentes, cinerece, macula triangulari fenestrata ; posticce ocello 

 atro, pupilla nictitante. 



Bombyx Saturn us, Fahr. Ent. Syst. iii. 1, 409, 6. 



Magnitudo et statura prascedentis. Ala? anticse cinerese striga 

 una alterave obscuriore et in medio macula parva triangulari fenes- 

 trata; posticae cinereae, ocello in medio magno atro, iride fulva alba- 

 que, pupilla minuta oblonga fenestrata, subtus basi cinereae macula 

 orbiculata fusca tunc fascia et in medio lunula loci ocelli. 



East Indies. 



Genus 2. SAMIA. 



Mas. Corpus vix robustum. Antennae latissime pectinatae ; 

 rami aequaliter longi, graciles, ciliati, duplicati. Alas antica? fal- 

 catae, margine exteriore unduloso perobliquo ; posticae valde latiores, 

 abdomen bis triente superantes. Fcem. — Corpus robustum. An- 

 tennae late pectinatae. Alas anticae vix falcate, margine exteriore 

 obliquo vix unduloso; posticas abdomen dimidio superantes. 



Samia, Hubn. Verz. Schmett. 156. 

 Pbalaena Attacus, p., Linn., fyc. 

 Bombyx, p., Fabr. 



Hyalophora, p., Duncan, Nat. Libr. vii. 

 Saturnia, p., Westw. 



Male. Body hardly stout. Antennae very deeply pectinated ; 

 branches of equal length, slender, ciliated, in pairs. Abdomen ex- 

 tending to about one-third of the breadth of the hind wings. Fore 



