C iv ) 
knowing how to preferve theni$ 
rendered imperfedt, and of little 
or no value. 
I regretted that fo much time 
and labour fnould be fpent to fo 
little purpofe ; and for that 
reafon was induced to make 
thefe inftrudioris, with fome ad- 
ditions, more generally known ; 
from which it is hoped that 
fome advantage may refult, not 
only to the young Anrelian and 
Entomologift, but that they 
may excite to a more general 
^veiti^a-tion of the infects of 
this country. 
