[138]

p. 138 A

; but we cannot infer from such evidence that the island has been recently elevated.

Several naturalists, including Mr Dana & myself, have in vain searched there here in near & in vain near the for upraised shells & corals near the coast, where if present they could not have been overlooked.

p. 139 A. —

consist of coral-rock, are formed of upraised coral-rocks, & have probably been elevated within a recent period: nonetheless they

[Coral reefs 2d ed., p. 183: "Thus at Tahiti, Mr. Stutchbury found on the summit of one of the highest mountains, between 5,000 and 7,000 feet above the level of the sea, 'a distinct and regular stratum of semi-fossil coral;' but we cannot infer from such evidence as this that the island has been elevated within the recent period; and on the other hand, several naturalists, including Mr. Dana and myself, have in vain searched near the coast for upraised shells and corals, where if present they could not have been overlooked. Two of the Harvey Islands, namely, Aitutaki and Manouai, are formed of upraised coral rocks, and have probably been elevated within a recent period; nevertheless they are encircled by reefs extending so far from the land, that I have coloured them blue, though with much hesitation, as the space within the reef is shallow, and the encircled land is not abrupt."]