r 7 } 
Blackthorn plentifully, 
Rofe trees the fame. 
Bramble the fame. 
On the Willow and 
Poplar fcarce. 
None have been noticed on the 
Elder. 
Walnut . 
Fir, or 
- Herbaceous Plants. 
Thus it appears, that the only mifchiefs thefe Caterpillars 
are capable of occafioning, is to rob particular trees and Ihrubs 
of their foliage and blofloms :■ it remains to confider how far 
the trees and fhrubs will be injured by fuch a lofs ? and how 
far it may be injurious to their owners ? I have found, by 
repeated obfervation, that thofe trees and (hrubs which have 
been entirely ftripped have not been killed thereby, but as foon 
as the Caterpillars have removed to change to Chryfalis, they 
have put forth frelh foliage: the only lofs, therefore, the 
owner fuftains from their depredations on thofe trees which are 
not cultivated for the fake of their fruit, is fome check to their 
growth, and a temporary deprivation of the beauties of fpring 
and autumn. With refpebt to fruit trees, the injuries they 
fufiain are more ferious ones; as in deftroying the blofloms, 
as yet in the bud, they alfo deflroy the fruit in embryo : the 
owners of orchards and flandard fruit trees have therefore mofl 
reafon to be alarmed. 
The idea of their producing the plague, &c. is founded in 
the groffeft ignorance, and carries with it its own refutation ; 
the- 
