|
The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from The Voyage of the Beagle by Charles Darwin: great apparent difficulty, analogous to that in the case of
atolls, which has generally been overlooked. It will be
perceived more clearly by inspecting the following sections
which are real ones, taken in north and south lines, through
the islands with their barrier-reefs, of Vanikoro, Gambier,
and Maurua; and they are laid down, both vertically and
horizontally, on the same scale of a quarter of an inch to
a mile.
It should be observed that the sections might have been
taken in any direction through these islands, or through
[picture]
 The Voyage of the Beagle |