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| Additional Experiments and Observations on the Application of Electrical Combinations to the Preservation of the Copper Sheathing of Ships, and to other purposes. By Sir Humphry Davy, Bart. P.R.S. | page 213 | |
| On the apparent Direction of Eyes in a Portrait. By William Hyde Wollaston, M.D. F.R.S. and V.P. | 214 | |
| Further Particulars of a Case of Pneumato-thorax. By John Davy, M.D. F.R.S. | 215 | |
| On the Action of finely divided Platinum on Gaseous Mixtures, and its Application to their Analysis. By William Henry, M.D. F.R.S. | 216 | |
| A Comparison of Barometrical Measurement, with the trigonometrical Determination of a Height at Spitzbergen. By Captain Edward Sabine, F.R.S. | 217 | |
| Experimental Inquiries relative to the Distribution and Changes of the Magnetic Intensity in Ships of War. By George Harvey, Esq. | 218 | |
| Experiments on the Elasticity and Strength of Hard and Soft Steel. By Mr. Thomas Tredgold | 218 | |
| A short Account of some Observations made with Chronometers, in two Expeditions sent out by the Admiralty, at the recommendation of the Board of Longitude, for ascertaining the Longitude of Madeira and of Falmouth. By Dr. John Lewis Tiarks | 219 | |
| Of the Effects of the Density of Air on the Rates of Chronometers. By George Harvey, F.R.S.E. &c. | 220 | |
| A Letter from Lewis Weston Dillwyn, Esq. addressed to Sir Hum- phry Davy, Bart. P.R.S. | 221 | |
| An Account of the Organs of Generation of the Mexican Proteus, called by the Natives Axolotl. By Sir Everard Home, Bart. V.P.R.S. | 221 | |
| An Account of Experiments on the Velocity of Sound, made in Holland. By Dr. G. Moll and Dr. A. Van Beek | 221 | |
| A Catalogue of nearly all the principal fixed Stars between the Zenith of Cape Town, Cape of Good Hope, and the South Pole, reduced to the 1st of January, 1824. By the Rev. Fearon Fallows, M.A. F.R.S. | 222 | |
| Remarks on the Parallax of αLyræ. By J. Brinkley, D.D. F.R.S. &c. | 222 | |
| Observations of the apparent Distances and Positions of 380 Double and Triple Stars, made in the Years 1821, 1822, and 1823, and compared with those of other Astronomers; together with an Account of such Changes as appear to have taken place in them since their first Discovery. Also a description of a Five-feet Equatorial Instrument employed in the Observations. By John Frederick William Herschel, Esq. F.R.S. and James South, Esq. F.R.S. | 224 | |
| 1825. | ||
| On the Effects of Temperature on the Intensity of Magnetic Forces; and on the Diurnal Variation of the Terrestrial Magnetic Intensity. By Samuel Hunter Christie, Esq. M.A. | page 225 | |
| The Croonian Lecture. On the Existence of Nerves in the Placenta. By Sir Everard Home, Bart. V.P.R.S. | 226 | |
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