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| On the supposed Properties of the Electric and Magnetic Fluids. By W. F. Stevenson, Esq. F.R.S | page 511 |
| De I'Education des Animaux ; faisant suite a Touvrage public en 1842, et qui a pour titre Essai sur I'Education des Animaux. Par St. Leonard de Lille, Membre de diverses Societes scientifiques, et de I'Athenee des Arts de Paris, et son Employe des Finances. Premiere partie de I'lnstitut et de i'lntelligence. Education et Civilisation | 511 |
| On the Action of the Sun's Rays on Lithic Acid. By John Davy, M.D. F.R.S. Lond. and Edinb. | 512 |
| An Account of the Newtonian Dial presented to the Royal Society, in a letter to the President. By the Rev. Charles Turner, F.R.S. | 513 |
| On the Non- coincidence of the Focus of the Photogenic Rays with that of the Visual Rays of the Solar Spectrum. By M. A. Claudet | 513 |
| Observations on some of the Nebulae. By the Earl of Rosse, F.R.S. | 513 |
| On the Structure of the Ultimate Fibril of the Muscle of Animal Life. By Erasmus Wilson, Esq., Lecturer on Anatomy and Physiology in the Middlesex Hospital ; in a Letter addressed to Peter Mark Roget, M.D., Sec. R.S | 514 |
| On the Comparative Anatomy of the Thyroid Gland. By John Simon, Esq., Assistant Surgeon to King's College Hospital, and Demonstrator of Anatomy in King's College | 515 |
| On the Resolution of Numerical Equations. By Joseph Agar, M.D., Fellow of the Royal College of Physicians | 515 |
| On the Reproduction of lost parts in Myriapoda and Insecta. By George Newport, Esq. F.R.C.S., President of the Entomological Society of London, and Corresponding Member of the Philomathic Society of Paris | 516 |
| On the Changes of Temperature produced by the Rarefaction and Condensation of Air. By James Prescott Joule, Esq | 517 |
| On the Laws of the Tides on the Coast of Ireland, as inferred from an extensive series of observations made in connexion with the Ordnance Survey of L-eland. By George Biddell Airy, Esq. F.R.S., Astronomer Royal | 539 |
1845. | |
| On the Liquefaction and Solidification of Bodies generally existing as Gases. By Michael Faraday, Esq. F.R.S. D.C.L. &c | 540 |
| Observations de la Declinaison et de I'lntensite Horizontales Magnetiques observees a Milan pendant vingt-quatre heures consecutives le 29 et 30 de Decembre 1844. Par M. Carlini | 542 |
| Remarks having reference to the Earthquake felt in Demerara on the morning of the 30th of August 1844. By Daniel Blair, Esq., Colonial Surgeon of British Guiana | 542 |
| An Account of the artificial formation of a Vegeto-alkali. By George Fownes, Esq., Chemical Lecturer in the Medical School of the Middlesex Hospital | 542 |
| On a new Bleaching Principle produced by the slow Combustion of Æther in Atmospheric Air, and by the rapid Combustion of Bodies |
