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would be infinitely more fo were it not for the number of fmall birds 
which prey upon them, and thus lend their friendly aid to deftroy 
thofe unwelcome intruders. ‘They feed for the moft part on cab- 
bages, and fome other horticultural plants, which renders them more 
injurious to the kitchen garden than any other. The larva is of the 
number of thofe known in England by the trivial title of the grub, and 
in the perfeét or winged ftate it is diftinguifhed by the lefs ambiguous 
epithet of Large Cabbage Butterfly. f 
The larva of this fpecies appears in fpring, and mdeed throughout 
great part of the fummer, as there are two or more broods of them 
every year. The appearance of thefe Butterflies on the wing in a 
morning 1s confidered generally as an unerring indication that the wea- 
ther will clear up, and the day eventually prove fine. This infeét 
though common is certainly not uninterefting. 
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