288 NATURAL HISTORY. 
our lights in a summer’s evening. I have said so much of 
these insects in Chapter XXIII, that of the many families 
of them I will notice here but two. The Clothes Moths 
deposit their eggs in woolen stuffs, furs, feathers, ete. 
Their larvee live on these articles. They also construct 
for themselves a tubular case from the same materials. 
In these they live, as the larvee of the Caddice-flies, § 459, 
do in their cases. With the growth of their bodies they 
enlarge these tubes by weaving an addition on to the 
end, and also by slitting it open and inserting a piece 
longitudinally. Sometimes these cases are of divers col- 
ors, from the use of differently-colored materials. When 
they are about to go into the pupa state, these insects 
close up the two ends of the case. 
490. There is a small 
Moth, called the Rusty 
Vapor Moth, Fig. 222, 
Fig. 222. The Rusty Vapor Moth. 
of a light-brown color. 
Though it is rather 
homely, it comes from 
a caterpillar which is 
very beautiful, repre- 
sented in Fig. 223. Its 
body is covered with 
long, fine yellow hairs, 
and has at each end two 
elegant brush-like tufts. 
Its head is as red as 
sealing-wax, and there 
Fig. 223.—Caterpillar of Rusty Vapor Moth, Fe prominences on its 
