SAILING DIRECTIONS. 301 COCKBURN ISLES are rocky, and may be seen four leagues off s. Se?. N. t and U are two reefs that were seen at a distance, and Coast. appeared to be detached from each other. JHRD ISLES. (the Lagoon Islands of IAeotenant Bli?h) coneist of three low bushy islets encompassed by a reef: the ishmds are at the outer verge of the reef, and may be pas?ed within a quarter of a mile; the north-eaSt island is in latitude 11 � 15', and longitude 142 � 45". Mc. ARTHUR*S ISLES consist of four low bushy islets, of which two are very small; they are encompassed by a reef of more then three miles long, and are separated from the Bird Isles by a channel three miles and a half wide. HANNIBAL'S ISLES are three in number, low and co- Teed with bushes, the easternmost is near the extronfity of the reef encircling ths whole, and is in latitude II � 15', and longitude 142 � 20 t." v and w; these shoals are separated by a safe channel of a mile and a quarter wide; � is circular, and has a dry sand at its north-west edge, and a rocky key at its south-west end; the'channel between it and Hanm'bal's Islands .is two miles and a half wide: w is nearly four miles long, and is entirely covered; the course between them is west, but, by �There is a dry sand bearing S.W.b.W.JW., two miles and a haft.. from the southernmost Cockburn Island, and there are many shoals of great extent to the northward of the group.--Roe ? There is & dry sand at one mile and three-quarters, and another at two miles and a !raft N.N.W. from North Hannibal Island.
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