SL^M.M ER. 
55 
happens that where they abound at one pe- 
riod, they will be found to have deserted at 
another. 
As soon as the thistles begin to bloom, they 
are resorted to by different species of hurnhle 
bees (Bombi) in company with some Dijjtera, 
&c. 
In August and September, the grasshoppers 
{Gyrillidce, &c.) abound in meadows and 
marshes, and should not be neglected on ac- 
count of similarity of appearance. About the 
same time also the Jield bugs (Chnices) may 
be beaten out of hedges, nettles, grass, &c. 
Towards the latter end of June, the curled-up 
leaves of the oak, poplar, &c. containing the 
chrysalides of the Tortricidee, should be col- 
lected. The Summer chrysalides may be dug 
for towards the latter end of June, and the 
beginning of July ; in the latter month the 
greatest number of moths make their appear- 
ance. Some little allowance must always be 
made for the time of appearance of insects in 
early and late seasons. 
During the Summer the galls which are 
found on the leaves of the oak, willow, and 
other trees, and also the oak apples, should 
be from time to time collected, for the purpose 
