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| On the valuation of the mechanical effect of Gradients on a line of Railroad. By Peter Barlow, Esq. F.R.S | page 390 |
| On the application of Glass as a substitute for metal balance-springs in Chronometers. By Messrs. Arnold and Dent | 391 |
| Note relative to the supposed origin of the deficient rays in the Solar Spectrum ; being an account of an experiment made at Edinburgh during the Annular Eclipse of May 15, 1836. By James D. Forbes, Esq. Professor of Natural Philosophy in the University of Edinburgh | 393 |
| On the connexion of the anterior columns of the Spinal Cord with the Cerebellum ; illustrated by preparations of these parts in the human subject, the Horse, and the Sheep. By Samuel Solly, Esq. Lecturer on Anatomy and Physiology at St. Thomas's Hospital, M.R.I. Fellow of the Royal Medical and Chirurgical Society, and Member of the Hunterian Society | 393 |
| Discussion of the Magnetical Observations made by Captain Back, R.N. during his late Arctic Expedition. By Samuel Hunter Christie, Esq. M.A. F.R.S | 394 |
| On the Safety-valve of the right Ventricle of the Heart in Man; and on the gradations of the same apparatus in Mammalia and Birds. By J. W. King, Esq | 396 |
| Some Account of the appearances of the Solar Spots, as seen from Hereford, on the 15th and 16th of May, 1836, during and after the Solar Eclipse. By Henry Lawson, Esq. | 397 |
| On the Brain of the Negro, compared with that of the European and the Ourang-Outang. By Frederick Tiedemann, M.D. Professor of Anatomy and Physiology in the University of Heidelberg, and Foreign Member of the Royal Society | 398 |
| Researches on the Tides ; Sixth Series. On the Results of an extensive system of Tide Observations, made on the Coasts of Europe and America, in June 1835. By the Rev. William Whewell, F.R.S. Fellow of Trinity College, Cambridge | 399 |
| On the Tides at the Port of London. By J. W. Lubbock, Esq. M.A. F.R.S. | 399 |
| Discussion of the Magnetical Observations made by Captain Back, R.N., during his late Arctic Expedition. Part. II. By Samuel Hunter Christie, Esq. M.A. F.R.S. | 400 |
| On the Powers on which the Functions of Life depend in the more perfect Animals, and on the Manner in which these Powers are associated in their more complicated results. By A. P. W. Philip, M.D. F.R.S | 401 |
| On the Respiration of Insects. By George Newport, Esq | 403 |
| Demonstration de l'egalite a deux droits de la somme des angles d'un triangle quelconque, independamment de la theorie des paralleles, et de la consideration de Pinfini. Par M. Paulet, de Geneve | 404 |
| Experimental Researches into the Physiology of the Human Voice. By John Bishop, Esq | 404 |
| Du Son et de l'Electricite. Anonymous, with the signature of Hermes Being a Prize Essay for the Royal Medal | 406 |
| Physiological Remarks on several Muscles of the Upper Extremity. By F. O. Ward, Esq. Medical Student at King's College, London. | 405 |
