139 
Genus SPHINX. 
The above tenn, as has been already noticed, was 
long employed as the generic designation of all the 
Hawk-moths properly so called, but is now restricted 
to such as present the following characters : — An- 
tennae rather long, slightly increasing in thickness 
from before the middle nearly to the apex, but scarcely 
or not at all clavate ; the apex slender, hooked, and 
terminating in a long scaly seta; proboscis very 
long, slender, and convoluted ; abdomen elongate- 
conic, without any tuft at the apex. The palpi are 
three-jointed, very obtuse, the second joint being 
large and oval, and the third minute and depressed. 
The caterpillars are generally green or brownish, 
>vith oblique or longitudinal lateral stripes of yellow, 
and having the caudal horn long, acute, and curved. 
The pupa is subterranean; the abdomen of the 
perfect insect ornamented with transverse bands 
The first species we have to describe is that named 
