122 LETTERS ON ENTOMOLOGY. 
now be as effectually destroyed by submersion 
under water. I have told you but a small part of 
the wonders and perfections of this beautiful tribe 
of insects, which even a casual observer must be 
struck with, and which every summer presents 
in almost inconceivable variety. While we ad- 
mire their exquisite symmetry and brilliant tints, 
let us, my dear Harriet, be thankful for the 
blessing of sight, of which so many are deprived, 
and for which, if restored, they would doubtless 
be far more grateful than we are, who con- 
stantly enjoy the pleasures it brings. Adieu. 
