236 
SYSTEMATIC ARRANGEMENT. 
the forehead produced like a horn, the antennae rather 
short and pectinated in the males, and the thighs fur 
nished, near the extremity, with a rounded membran 
ous appendage ; a similar expansion is sometimes also 
found on the tibiae. The species are among the most 
remarkable looking of this family, the limbs being very 
long and slender, and the thorax of such a length and 
so attenuated that the head and anterior legs appear 
to have but little connection with the hinder parts. 
Most of these insects are natives of Asia, the species 
figured on the adjoining plate is found in many parts 
of East India, but it is probably by mistake that Drury 
mentions Philadelphia as producing it. It is a pretty 
large insect, frequently measuring nearly three inches 
and a half. Head and thorax yellowish brown, re- 
sembling the colour of a withered leaf ; the former 
terminating behind in a conical projection, bifid at 
the tip, with a slightly dilated membrane on each 
side ; the latter very long and slender, (about half 
the length of the entire insect,) dilated behind the 
