( 4 ) 
be preferred ; as, befides the pleafure 
which arifes from obferving the gradual 
progrefs of the infect, from its egg or 
caterpillar to its perfeft or fly ftate, we 
can kill them before they have in the 
leaft injured the farina or meal of their 
wings by flying. 
The difficulty likewife of procuring 
the molt beautiful and valuable infects 
of this clafs in their fly ftate, makes 
this method much the molt eligible. 
Moft of the Sphinges of Linnaeus, or 
Hawk Moths as they are called, are 
very feldom feen in their fly ftate, and 
when feen on the wing generally elude 
the fwifteft purfuit ; but in their cater- 
pillar ftate they are often found, and 
eafily taken. Thus the Sphinx *■ Atro- 
pos 
* We have ufed on this occafion the names of 
the celebrated Sir Charles Linnaeus ; a name dear 
to 
