Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. — Volume 1 / Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition.

by John MacGillivray

The following tables contain the absolute determinations of the magnetic inclination and declination made in the Voyage of H.M.S. Rattlesnake on shore. A very large series made almost daily at sea with Fox's instrument and the Azimuth Compass require several corrections before they are fit for publication.

In degrees, minutes and seconds.

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MADEIRA.

In Mr. Veitch's verandah, Funchal, by Robinson's Needle, A: 59 41 7 N.
In Mr. Veitch's verandah, Funchal, by Fox's Needle, A: 60 40 2 N.
On the summit of the Pico dos Bodes, by Fox's Needle, A: 64 10 5 N.
Ther. 64. on the summit of the Pico dos Bodes, angle of deflection, 2 grains by Fox's Needle, A: 33 13 6.
Ther. 59. Funchal angle of deflection, 2 grains by Fox's Needle, A: 38 8 8.

RAT ISLAND, RIO DE JANEIRO.

By Robinson's Needle, A1: 12 15 1 S.
By Robinson's Needle, A2: 12 19 1 S.
Mean: 12 17 1 S.

SIMON'S BAY, CAPE OF GOOD HOPE.

In the dockyard near the Observation spot of Erebus and Terror, by Fox's Needle A, with index error applied : 53 40 0 S.

TONNELIER'S ISLAND, PORT LOUIS, MAURITIUS.