UNIVERSITY 



ORANGE SWIFT. 



Hypialus Syhinus, 

 PLATE XIV. Fig. 1. 



C'urtis, iv. PI. 185. Ph. Noc. Sylvina, Linn Hep. Crux. 

 Pabr. Hep. Lupulinus, Haw. Orange or Evening Swift, 

 Harris* Aurel. 



THE group to which the above named species be- 

 longs, distinguished by a term which Aristotle 

 applied to some nocturnal insect*, may not impro- 

 perly be regarded as a connecting link between the 

 Sphingida3 and moths properly so called. In the 

 structure of the mouth, and of several other parts, 

 they bear considerable resemblance to some of the 

 preceding genera, and the manners and economy of 

 the caterpillar are analogous to those of the jEgeriae 

 and Zygaenae ; while, on the other hand, the perfect 

 insects do not differ materially in their habits from 

 the tribes with which they are associated. About 

 half a dozen distinct kinds inhabit Britain, of which 

 the best known is that termed the Ghost-moth 

 (H. Humuli). The male of this species is of a 



* Mo).of *! rev *.v%vot Tircuirtf, Hist. Anim lib. ft 

 cap. 27. 



