Lake Umbagog.
Aquatic Insects.
1907
August 12.
  Dragon Flies may be classed
with aquatic insects, I suppose
since they frequent the water
and their larvae lives in it.
They are common enough about
the Lake in summer and early
autumn. So too is a large
species of Dytiscus which spends
most of its life under water
where it preys remorselessly on
various feebler creatures including
small fishes. The sportsmen
awaiting the coming flight of
Ducks in some grassy cove will
often hear, not long after sunset
the loud buzzing sounds produced by
the wings of one of these huge water
beetles as it tries clumsily and for a
time vainly, to take flight from the
reed stem it has just climbed.
At length it gets fairly under way
and, after rising to a considerable
height in a spiral course, it starts 
off in a bee line and rather
(over)