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| Magnetical Observations at Port Bowen, &c. A.D. 1824-25, comprehending Observations on the diurnal Variation and diurnal Intensity of the Horizontal Needle; also on the Dip of the Magnetic Needle at Woolwich, and at different Stations, within the arctic Circle. By Captain W. E. Parry, R.N. F.R.S. and Lieutenant Henry Foster, R.N. F.R.S. | page 293 | |
| Abstract of the daily Variation of the Magnetic Needle No. 2. By Lieutenant Henry Foster, R.N. F.R.S. | 293 | |
| Observations for determining the Dip of the Magnetic Needle. By Captain W. E. Parry, R.N. F.R.S. and Lieutenant Henry Foster, R.N. F.R.S. | 293 | |
| Observations on the diurnal Changes in the Position of the Horizontal Needle, under a reduced directive Power, at Port Bowen, 1825. By Lieutenant Henry Foster, R.N. F.R.S. | 293 | |
| A Comparison of the diurnal Changes of Intensity in the Dipping and Horizontal Needles, at Port Bowen. By Lieutenant Henry Foster, R.N. F.R.S. | 293 | |
| Account of the Repetition of Mr. Christie's Experiments on the Magnetic Properties imparted to an Iron Plate by Rotation, at Port Bowen, in May and June, 1825. By Lieutenant Henry Foster, R.N. F.R.S.; together with Mr. Christie's Remarks thereon. | 293 | |
| Observations to determine the Amount of Atmospherical Refraction at Port Bowen in the Years 1824-25. By Captain W. E. Parry, R.N. F.R.S.; Lieutenant Henry Foster, R.N. F.R.S.; and Lieutenant J. C. Ross, R.N. F.L.S. | 296 | |
| 1827. | ||
| Description of a Percussion Shell, to be fired horizontally from a common Gun. By Lieut-Colonel Miller | page 296 | |
| On the relative Powers of various metallic Substances as Conductors of Electricity. By Mr. William Snow Harris | 298 | |
| On the Expediency of assigning Specific Names to all such Functions of simple Elements as represent definite physical Properties; with the Suggestion of a new Term in Mechanics; illustrated by an Investigation of the Machine moved by recoil, and also by some Observations on the Steam Engine. By Davies Gilbert, Esq. M.P. V.P.R.S. &c. | 299 | |
| The Croonian Lecture for 1826. By Sir Everard Home, Bart. V.P.R.S. | 301 | |
| On a newly discovered Genus of Serpentiform Fishes. By I. Harwood, M.D. F.L.S. | 302 | |
| An Examination into the Structure of the Cells of the Human Lungs; with a view to ascertain the Office they perform in Respiration. By Sir Everard Home, Bart. V.P.R.S. | 303 | |
| Remarks on a Correction of the Solar Tables required by Mr. South's Observations. By G. B. Airy, Esq. M.A. | 305 | |
| On the mutual Action of the Particles of Magnetic Bodies, and on the Law of Variation of the Magnetic Forces generated at different Distances during Rotation. By S. H. Christie, Esq. M.A. F.R.S. | 305 | |
