A Most Paradoxical Mixture Of Sound
And Silence Pervades The Shady Parts Of The Wood.
The noise
from the insects is so loud, that it may be heard even in a
vessel anchored several hundred yards from the shore; yet
within the recesses of the forest a universal silence appears
to reign.
To a person fond of natural history, such a day
as this brings with it a deeper pleasure than he can ever hope
to experience again. After wandering about for some hours,
I returned to the landing-place; but, before reaching it, I
was overtaken by a tropical storm. I tried to find shelter
under a tree, which was so thick that it would never have
been penetrated by common English rain; but here, in a
couple of minutes, a little torrent flowed down the trunk.
It is to this violence of the rain that we must attribute the
verdure at the bottom of the thickest woods: if the showers
were like those of a colder climate, the greater part would
be absorbed or evaporated before it reached the ground. I
will not at present attempt to describe the gaudy scenery
of this noble bay, because, in our homeward voyage, we
called here a second time, and I shall then have occasion to
remark on it.
Along the whole coast of Brazil, for a length of at least
2000 miles, and certainly for a considerable space inland,
wherever solid rock occurs, it belongs to a granitic formation.
The circumstance of this enormous area being constituted of
materials which most geologists believe to have
been crystallized when heated under pressure, gives rise to
many curious reflections.
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