ON THE EVIDENCE OF EMERGENCE OR OF UPHEAVAL AT THE SEA-BORDERS
Elevated coral reefs scantily represented, 7.—Apparent absence of coral
reefs in the early stages of the emergence, 8.—Elevated reefs confined
to the coast and its vicinity.—Detailed examination of the
sea-borders, 9.—Silicified corals and siliceous concretions the only
evidence in many localities of the upraised reefs, 13.—The relations
of the mangrove-belt to the reef-flat, 14.—Indications of a very
gradual movement of emergence in our own time, 15.—The rate of advance
of the mangroves, 16.—Conclusions, 19
_Pages_ 7-20