LEPIDOPTERA HETEROCERA. 211 



Fore wings with some blackish and whitish undulating oblique 

 bands, with some black marks on the costa and near the exterior 

 border, with two straight black lines in the disk, and with a curved 

 black subapical line. Hind wings dark brown. Length of the 

 body 18—21 lines; of the wings 42 — 52 lines. 



a, b. Sydney. Presented by Dr. Sinclair. 



c. Cape York, Australia. Presented by J. Macgillivray, Esq. 



d. New Holland. Presented by the late Earl of Derby. 

 e. ? From M. Becker's collection. 



Genus 28. SPHINX. 



Corpus crassum, longum. Caput breve, conicum. Proboscis 

 longissima. Antennae setaceae, thoracis longitudine. Abdomen 

 thorace duplo longius. Pedes validi, pilosi ; tibiae posticae calcari- 

 bus quatuor longissimis. Alae longae, angustce, margin e exteriore 

 vix denticulato ; anticae acuminata?, apud costam vix convexae, 

 margine exteriore perobliquo ; posticae apice subrotundatae. Mas. 

 — Antennae serratae. Fcem. — Antennae simplices. 



Sphinx, Linn., Src. 



Agrius, Lethia, et Phlegethontius, p., Hiibn. Verz. Schmett. 140. 



Sphinx, p., Linn., fyc. 



Phlegethontius, p., Agrius, p., et Lethia, p., Hiibn. Verz. Schmett. 



140, 141. 

 Chromis ? Hiibn. Verz. Schmett. 138. 



Body thick, long. Head short, conical. Proboscis very long. 

 Antennae setaceous, as long as the thorax. Abdomen about twice 

 the length of the thorax. Legs stout, pilose, hind tibiae with four 

 very long spurs. Wings long, narrow, exterior border hardly den* 

 ticulated. Fore wings acuminated, very slightly convex in front; 

 exterior border extremely oblique ; second inferior vein much 

 further from the third than from the first ; third very much further 

 from the fourth than from the second. Hind wings almost rounded 

 at the tips. Male. — Antennae serrated. Female. — Antennae simple. 



Europe. 



The two following species form two distinct groups in the 

 genus. 



