( 3 ) 
remain fome time longer ; during which 
they are for the moft part inadtive ; 
and laftly come forth in their perfedt 
or fly ftate, when they propagate their 
fpecies and die. 
Butterflies and moths being not only 
one of the moft numerous, but the 
moft beautiful clafs of infedts, whether 
we confider the variety or richnefs of 
their colours, and from the peculiar 
delicacy of their ftrudture requiring 
more care to be ufed in catching as 
well as in preferving them, we chofe 
firft to fpeak of, and to be more par- 
ticular in our diredtions concerning 
them. 
There are two methods of colledting 
infedts of this kind ; firft, by breeding, 
2dly, by catching them in their fly 
ftate. Of thefe the former is much to 
B 2 be 
