36 
COLLECTING INSECTS. 
Another year he may devote to Lepidoptera, 
another to Hymenoptera, another to Dip- 
tera, &c. If, however, he should consider 
this plan too tedious, let him take the dif- 
ferent seasons, and devote his attention to a 
single large group in each season. He is also 
strongly recommended to keep to one spot, 
as a single marsh, common, or wood, will, 
from the obscure habits of some insects, and 
the periodical appearance of others ; changes 
in the weather, and different periods of the 
day ; produce him profitable employment for 
several years. 
The state of the weather concerns the col- 
lector of insects quite as much as the angler. 
On cold windy days, and particularly if an 
easterly wind, it is of little use to go out in 
search of winged insects. But although at 
such times insects may be sought for in their 
places of concealment, and some few taken, 
yet the result of an excursion will rarely be 
satisfactory. On warm days, however, and 
particularly in what is called muggy hot wea- 
ther, and after rain, and also on the approach 
of a thunderstorm, insects will be found in 
profusion. The morning, and till about one 
or two o’clock in the afternoon, will gene- 
