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| An Account of Experiments to determine the Acceleration of the Pendulum in different Latitudes. By Captain Edward Sabine, F.R.S. and F.L.S. | page 144 | |
| Some Observations and Experiments on the Papyri found in the Ruins of Herculaneum. By Sir Humphry Davy, Bart P.R.S. | 145 | |
| Observations on Naphthaline, a peculiar Substance resembling a Concrete Essential Oil, which is apparently produced during the Decomposition of Coal Tar, by Exposure to a Red Heat. By J. Kidd, M.D. | 146 | |
| On the Aberrations of Compound Lenses and Object-Glasses. By J. F. W. Herschel, Esq. P.R.S. &c. | 146 | |
| An Account of the Skeletons of the Dugong, Two-homed Rhinoceros, and Tapir of Sumatra, sent to England by Sir Thomas Stamford Raffles, Governor of Beucoolen. By Sir Everard Home, Bart. V.P.R.S. | 147 | |
| On the Mean Density of the Earth. By Dr. Charles Button, F.R.S. | 148 | |
| On the Separation of Iron from other Metals. By J. F. W. Herschel, Esq. F.R.S. | 148 | |
| On the Re-establishment of a Canal in the Place of a Portion of the Urethra which had been destroyed. By Henry Earle, Esq. | 149 | |
| Calculations of some Observations of the Solar Eclipse on the 7th of September, 1820. By Mr. Charles Rumker | 150 | |
| An Account of the Re-measurement of the Cube, Cylinder, and Sphere, used by the late Sir George Shuckburgh Evelyn, in his Inquiries respecting a Standard of Weights and Measures. By Captain Henry Kater, F.R.S. | 150 | |
| An Account of Observations made with the Eight-Feet Astronomical Circle, at the Observatory of Trinity College, Dublin, since the Beginning of the Year 1818, for Investigating the Effects of Parallax and Aberration on the Places of certain fixed Stars; also the Comparison of these with former Observations for determining the Effects of Lunar Nutation. By the Reverend John Brinkley, D.D. F.R.S. and M.R.I.A. | 151 | |
| On the Effects produced in the Rates of Chronometers by the Proximity of Masses of Iron. By Peter Barlow, Esq. | 152 | |
| On the Peculiarities that distinguish the Manatee of the West Indies from the Dugong of the East Indian Seas. By Sir Everard Home, Bart. V.P.R.S. | 152 | |
| On a New Compound of Chlorine and Carbon. By Richard Phillips, F.R.S.E. F.L.S. M.G.S. &c. and Michael Faraday | 153 | |
| On the Nerves; giving an Account of some Experiments on their Structure and Functions, which lead to a new Arrangement of the System. By Charles Bell, Esq. | 153 | |
| Further Researches on the Magnetic Phenomena produced by Electricity; with some New Experiments on the Properties of Electrified Bodies in their Relations to Conducting Powers and Temperature. By Sir Humphry Davy, Bart. P.R.S. | 154 | |
