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| On Harriot's Astronomical Observations contained in his unpublished Manuscripts belonging to the Earl of Egremont. By Stephen Peter Rigaud, Esq. M.A. F.R.S. Savilian Professor of Astronomy in the University of Oxford page | 125 |
| On the Correction of a Pendulum for the reduction to a vacuum, together with Remarks on some Anomalies observed in Pendulum Experiments. By Francis Baily, Esq. F.R.S | 126 |
| On the Nervous System of the Sphinx Ligustri (Linn.), and on the Changes which it undergoes during a part of the Metamorphoses of the Insect. By George Newport, Esq | 126 |
| An Account of the magnetieal Experiments made on the Western Coast of Africa in 1830 and 1831. By Commander Edward Belcher, of H.M.S. Etna | 130 |
| On the Use of a substance called the False Tongue in Foals. By Professor Sewell, of the Royal Veterinary College | 130 |
| Journal of the Weather, kept at High Wycombe during the year 1831, with monthly Observations. By James G. Tatem, Esq | 131 |
| Physical and Geological observations on the Lake of Oo near Bagneres de la Chou in the year 1831. By M. Neree Boubee, Professor of Geology at Paris | 131 |
| Observations on the Anatomy and Habits of Marine Testaceous Mollusca, illustrative of their mode of feeding. By Edward Osier, Esq. | 131 |
| On the Mammary glands of the Ornithorhynchus paradoxus. By Richard Owen, Esq | 132 |
| A Physiological Inquiry into the Uses of the Thymus Gland. By John Tuson, Esq | 133 |
| An Investigation of the Powers of the simple Supporters of Combustion to destroy the virulence of Morbid Poisons, and of the poisonous Gases, with a view to ascertain the possibility of controling the extension of contagious or epidemic Diseases. By Edward Browne, Esq. F.L.S | 134 |
| Considerations on the Laws of Life, in reference to the Origin of Disease. By Adair Crawford, M.D | 134 |
| On the Water Barometer erected in the Hall of the Royal Society. By J. F. Daniell, Esq. F.R.S. Professor of Chemistry in King's College, London | 134 |
| Hourly Observations on the Barometer, with experimental Investigations into the phenomena of its periodical oscillation. By James Hudson, Assistant Secretary and Librarian to the Royal Society. | 136 |
| Note on the Tides in the Port of London. By J. W. Lubbock, Esq. V.P. and Treas. R.S | 137 |
| Researches in Physical Astronomy. By J. W. Lubbock, Esq. V.P. and Treas. R.S | 137 |
| On some Properties of Numbers in Geometrical Progression. By Charles Blacklewar, Esq. B.A | 139 |
| Account of an Improvement in the Machine for producing Engravings of Medals, Busts, &c. directly from the Objects themselves, in which the Distortions hitherto attending such Representations are entirely obviated. By Mr. Bate | 139 |
| An Account of the Construction of a fluid refracting Telescope of eight inches aperture and eight feet nine inches in length, made for the |
