MANUAL OF NATURAL HISTOKY. 237 



tions, usually enclosed in a cocoon. Mostly night- 

 flyers. 



7. Family. — Butterfly Hawk -Moths (Uraniidae). 



Antennae long and variable, not prismatic, 

 nor ending in a brush ; proboscis elongated ; 

 fore-tibiae spurred ; wings expanded in repose. 

 Caterpillar cylindrical, with slender bristles ; 

 chrysalis enclosed in a lax cocoon. Flight 

 diurnal. 



8. Family. — Hawk-Moths proper (Sphingidae). 



Antennae prismatic, ending in a little feather 

 or thread ; proboscis greatly elongated ; body 

 long, acute behind ; wings narrow, the hinder 

 small. Caterpillars naked, usually with a 

 horn on hind part of back. 



9. Family. — Burnet Hawk-Moths (Anthroceridae). 



Antennae simple, fusiform, pectinated in the 

 males ; wings deflexed in repose ; legs long ; 

 hind - tibiae with four spurs. Caterpillars 

 clothed with short hairs, without any spine. 

 Day-flyers. 



10. Family. — Clear -winged Hawk-Moths (Mge- 



riidae). Antennae simple, fusiform, usually 

 ending in a pencil of hairs ; proboscis elon- 

 gated ; wings more or less transparent ; legs 

 elongate, the hinder with long spurs ; abdo- 

 men ending in a dilatable brush. Caterpil- 

 lars naked, without a caudal horn. 



11. Family.-- Swift-Moths (Hepialidae). Antennae 



short and filiform, not feathered at tip ; 

 proboscis short or obsolete ; wings elongated, 



