On the 23d, we had very strong gales of wind at west by north, but the landing was good early in the morning, and the large coble was sent on board the Supply, (which was in the road) with some of my baggage, and the officers and men belonging to the Sirius, who were going to Port Jackson. The master of the Sirius, with eight men, went on board the wreck by the hawser, and a triangle was erected on the reef, to keep the bight of the hawser from the ground; which would greatly facilitate the landing any article from the wreck. The master informed Captain Hunter, by a note, that Brannagin and Dring (the two convicts) had set fire to the wreck, which had burnt through the gun deck; but had been happily extinguished by Arscot, who went on board to send them out of the ship: on this, they were ordered into confinement previous to their being tried for setting fire to the wreck. The weather being moderate and pleasant in the morning of the 24th, I went on board the Supply, along with Lieutenants Waterhouse and Fowell, and twenty-two of the crew, belonging to the late Sirius; and at noon, we made sail for Port Jackson. As I have now taken leave of this island, I shall add my general observations on it; and although several of them may probably have been made before, in the course of this journal, yet it perhaps may not be amiss to collect them together in one point of view. NORFOLK ISLAND. By the mean of several meridional altitudes of the sun, and a great number of lunar observations, the latitude of Sydney-Bay is 29 deg. 04' 40" south, and its longitude 168 deg. 12' east, of Greenwich. The form of the island is a long square, and it contains about fourteen thousand acres: it is six miles in length and four in breadth. Face of the country_.--The island is very hilly, and some of the valleys are tolerably large, considering the size of the island; but most of them are only deep hollows, formed by the steep hills on each side, some of which rise so perpendicular that they cannot be cultivated. There are some extensive plains on the summits of the hills. Mount Pitt is the only remarkable hill on the island, and is about two hundred fathoms high. The cliffs round the island are about forty fathoms high, and are quite perpendicular: the basis of them, as well as most of the rocks and reefs round the island, is a hard, firm clay, of a very fine texture. The whole island is covered with a very thick forest, choaked up with underwood, which makes it impassable until it is cleared away.