COLLECTING INSECTS. 
39 
any other particulars respecting insects cap- 
tured by others ; it would make the labour of 
the collector doubly valuable. The young 
student will, of course, keep a regular journal 
of tlje time of appearance, habits, locality, 
food, &c. &c. of the insects which he captures 
himself — “ de die in diem’' 
The collector should never lose sight ol 
utility, but bear in mind the mischief arising 
from the ravages of noxious insects, such as the 
turnip fly (beetle), Tipula, Aphis, &c. and by 
the study of their habits and economy, aid the 
endeavour^ of the agriculturist and gardener to 
check their devastations. 
