1NSECTA. 



139 



Subgenus Vanessa. 



The two anterior feet considerably shorter ; no ambulatory 

 ones. Antennse terminated abruptly by a short button ; ca- 

 terpillars covered with spines. 



Subgenus Polyommatus. 



Two anterior feet as in the preceding, no ambulatory ones. 

 Small eye-like spots upon the wings. 



FAMILY II. CREPUSCULARIA. 



Wings, during repose, horizontal or inclined ; the inferior 

 one retained to the superior by a stiff hair ; antennes in the 

 form of an elongated club, prismatic or fusiform ; sometimes 

 they are pectiniform ; caterpillars always provided with six- 

 teen feet 



Genus Sphinx. 



Antennœ prismatic and terminating in hairs ; wings long 

 and horizontal; abdomen pointed. The Death' s-headed 

 Sphinx has occasioned much terror in certain countries by 

 the kind of cry which it utters, and the insignia of death 

 upon its corselet. 



FAMILY III. NOCTURNA. 



Wings, during repose, horizontal or inclined ; the superior 

 nearly always bridled to the inferior ; antennse decreasing in 

 thickness from the base to the summit, or setaceous. 



Tribe of the Bombyces. Silk-Worms. 



Proboscis always short and rudimental ; wings extended, 

 horizontal, or inclined so as to form a triangle with the body. 



Tribe of the Tine^:. Moths. 



Wings rolled cylindrically ; the larvœ live in a sheath or 

 case. 



