Williams and Mr. Ellis inform me that this island has an attached reef; coloured red. It is described by Cook under the name of Oheteroa: he says it is not surrounded, like the neighbouring islands by a reef; he must have meant a distant reef.—_Toubouai_; in Cook’s chart (“Second Voyage,” vol. ii, p. 2) the reef is laid down in part one mile, and in part two miles from the shore. Mr. Ellis (“Polynes. Res.” vol. iii, p. 381) says the low land round the base of the island is very extensive; and this gentleman informs me that the water within the reef appears deep; coloured blue.—_Raivaivai_, or Vivitao; Mr. Williams informs me that the reef is here distant: Mr. Ellis, however, says that this is certainly not the case on one side of the island; and he believes that the water within the reef is not deep; hence I have left it uncoloured.—_Lancaster_ Reef, described in _ Naut. Mag._, 1833 (p. 693), as an extensive crescent-formed coral-reef. I have not coloured it.—_Rapa_, or Oparree; from the accounts given of it by Ellis and Vancouver, there does not appear to be any reef.—_I. de Bass_ is an adjoining island, of which I cannot find any account.—_Kemin_ Island; Krusenstern seems hardly to know its position, and gives no further particulars. ISLANDS BETWEEN _the Low and Gilbert Archipelagoes._ _Caroline_ Island (10° S., 150 deg W.) is described by Mr. F. D. Bennett (_Geograph. Journ._, vol. vii, p. 225) as containing a fine lagoon; coloured blue.—_Flint_ Island (11° S., 151° W.); Krusenstern believes that it is the same with Peregrino, which is described by Quiros (Burney’s “Chron. Hist.,” vol. ii, p. 283) as “a cluster of small islands connected by a reef, and forming a lagoon in the middle;” coloured blue.—_Wostock_ is an island a little more than half a mile in diameter, and apparently quite flat and low, and was discovered by Bellinghausen; it is situated a little west of Caroline Island, but it is not placed on the French charts; I have not coloured it, although I entertain little doubt from the chart of Bellinghausen, that it originally contained a small lagoon.—_Penrhyn_ Island (9° S., 158° W.); a plan of it in the “Atlas of the First Voyage” of Kotzebue, shows that it is an atoll; blue.—_Slarbuck_ Island (5° S., 156° W.) is described in Byron’s “Voyage in the _Blonde_” (p. 206) as formed of a flat coral-rock, with no trees; the height not given; not coloured.—_Malden_ Island (4° S., 154° W.); in the same voyage (p. 205) this island is said to be of coral formation, and no part above forty feet high; I have not ventured to colour it, although, from being of coral-formation, it is probably fringed; in which case it should be red.—_Jarvis_, or _Bunker_ Island (0° 20′ S., 160° W.) is described by Mr. F. D. Bennett (_Geograph. Journ._, vol. vii, p. 227) as a narrow, low strip of coral-formation; not coloured.—_Brook_, is a small low island between the two latter; the position, and perhaps even the