Structure.—Generally coralline.
Particular islands and groups—
AURA.
Locality.—S. L. 15° 40´ W. L. 146° 30´ The most savage of all the islands of the Archipelago, and the one that has most rarely been visited with impunity.
CHAIN ISLAND.
Locality.—S. L. 17° 30´ W. L. 45° 30´ Described as being like Aura, to Captain Fitzroy, by Mr. Middleton, who had passed some time on the island. Cannibals. Conquerors of the rest of the Archipelago, except Aura. The first ship they had manned by a black crew.
GAMBIER ISLANDS.
Names.—Mangareva, Akena, Akamaru, Tarawari, &c.
Structure.—Volcanic.
Population.—About two thousand.