FEBRUARY. 39 



SECTION II. CREPUSCULARIA. 



1. Sphingidce. — Wings small ; anteimse prismatic and termi- 



nated by a little feather; sjDiral tongue very long; 

 body long, and acute behind; mandibles minute; 

 colour very varied ; size large. 



2. AntliroceridcB. — Wings bent down in repose; legs long, 



hinder pair with spurs ; antennae simple and fusiform, 

 or thickened near the middle, nearly setaceous and 

 pectinated in the males ; maxillse very long. 



3. jEgeridcB. — Wings more or less transparent; antennae 



simple, fusiform, or thickened at the tips, which are 

 generally terminated by a small tuft of hairs; body 

 elongated and terminated by a brush. 



SECTION III. NOCTURNA. 



1. Hepialidc?. — ^Wings long, deflexed in repose; antennae 



short and filiform; body long; spiral tongue very 

 short or wanting; thorax never crested. 



2. Bomhycidce. — Wings large, either extended horizontally 



or deflexed at the sides ; antennae often strongly pecti- 

 nated in the males ; thorax not crested ; mouth almost 

 obsolete; body thick and hairy; prevailing colour 

 grey or faw^n-colour ; size large. 



