Jan. 19.
depth of water to two hundred and seventy fathoms, although we had closed the land more than forty miles since midnight. Coulman Island, which we had only before seen by refraction, now formed the southern extreme point in view, and a new range of mountains was observed stretching away to the south-west from Mount Northampton, forming a kind of crescent-shaped ridge. A remarkable conical mountain to the north of Mount Northampton was named in compliment to the Rev. W. Vernon Harcount; one to the southward of it, after Sir David Brewster, the joint-founders of the British Association, which has so eminently contributed to the advancement of science in Great Britain. Mount Lubbock, to the southward of Mount Brewster, was named after Sir John Lubbock, Bart., treasurer of the Royal Society; and two other mountains, still further to the southward, were named after Sir Roderick Impey Murchison, the general secretary, and Professor Phillips, the assistant secretary, of the British Association.
Becalmed for two or three hours after noon, the dredge was put over in two hundred and seventy fathoms water, and after trailing along the ground for some time was hauled in. It was found to contain a block of grey granite, composed of large crystals of quartz, mica, and felspar, with apparently a clean and recent fracture, as if lately broken off from the main rock, and had probably been deposited by the agency of an iceberg. Besides this there were a great many stones of vari-