Magnetic-term Observations taken on hoardH.M.S.Erebus andTerror, at Hobart Town, on the 29th and 30th August, and the 23rd and 24th September 1840. By, and under the direction of James Clark Ross, Capt. R.N. F.R.S. and Commander of the Antarctic Ex- pedition 298
Magnetic—term Observations made at the fixed Magnetic Observatory, Van Diemen’s Land, on the 28th, 29th and 30th August, and the 23rd and 24th September, 1840. By James Clark Boss, Captain RN. F.R.S. Commander of the Antarctic Expedition ... .. 298
Hourl Magnetic Observations for August and September, 1840, taken at t e Ship’s Magnetic Observatory, Van Diemen's Land, under the direction of James Clark Ross, Captain RN. F.R.S. Commander of the Antarctic Expedition 298
Variation de la déclinaison, intensite’ horizonal et inclinaison magne- tique, observés 5 Milan, pendant viagt-quatre heuree de suite, le 24 et 25 Fevrier et Mars, 1841, par Signor Carlini, For. Memb. R.S. 298
Remarks on the Birds of Kerguelen’s Land. By R. M‘Connick, Esq. Surgeon R.N. of I-I.M.S. Erebus ........ .......... ....... ..... .. 298
Geological Remarks on Kerguelen’s Land, By R. M‘Cormick, Esq. Surgeon R.N. of H.M.S. Erebus 299
On the proportion of the prevailing Winds, the mean Temperature, and depth of Rain in the climate of London, computed through a cycle of eighteen years, or periods of the hioon’s Declination. By Luke Howard, Esq. F.R.S.. .,
A new Method of solving Numerical Equations. By Mr. Thomas Waddle, of Stamfordham .. 300
300
Additional Note on the Contraction of Voluntary Muscles in the lrvmg body. By William Bowman, Esq. F.R.S. Demonstrator of Ana- tomy in King’s College, London, and Assistant Surgeon to King’s College Hospital ............................. 301
Investigation of a New and Simple Series, by which the Ratio of the Diameter of aCircle to its Circumference may easily be computed to any required degree of accuracy. By William Rutherford, Esq. of the Royal Military Academy, WOOlWich ..... .................... 302
On the Phaenomeoa of thin plates of Solid and Fluid Substances ex- posed to Polarised Light. By Sir David Brewster, K.H. D.C.L. F.R.S. and V.P.R.S. Ed. 302
Meteorological Observations for August, September, and October,1840, taken on board H.M.S. Erebus and Terror, by and under the direc- tion of Capt. James Clark Ross, R.N. Commander of the Ant- arctic 303
Hourly Meteorological Observations made at Plymouth, in latitude 52° 36’ 12”, longitude in time 6'“ 55‘ east, on the 22nd of March, 1841. By Arthur Utting, Esq. .... 303
Barometrical Observations taken at Naples at 9 A.M. on each daydu— ring the months of January and February, 1841. By Sir Woodbine Parish, K.C.H. F.R.S. 303
Memoir of the case of a gentleman born blind, and successfully operated
