xxv
| Some Observations on the Functions of the Nervous System, and the relation which they bear to the other vital Functions. By Alexander Philip Wilson Philip, M.D. F.R.S. L. & E. | page 373 | |
| On the Respiration of Birds. By William Allen and William Hasledine Pepys, Esqrs. Fellows of the Royal Society. | 375 | |
| On the spontaneous Purification of Thames Water. By John Bostock, M.D. F.R.S. &c. | 376 | |
| On the Composition of Chloride of Barium. By Edward Turner, M.D. | 377 | |
| On a new Series of periodical Colours produced by the grooved Surfaces of Metallic and Transparent Bodies. By David Brewster, LL.D. F.R.S. L.& E. | 378 | |
| On the Nerves of the Face; being a second Paper on that Subject. By Charles Bell, Esq. F.R.S. | 380 | |
| On the Reduction to a Vacuum of Captain Kater's convertible Pendulum. By Captain Edward Sabine, Sec. R.S. | 381 | |
| On the geometrical Representation of the Powers of Quantities, whose Indices involve the Square Roots of negative Quantities. By the Rev. John Warren, M.A. | 382 | |
| An experimental Examination of the Electric and Chemical Theories of Galvanism. By William Ritchie, A.M. F.R.S. | 382 | |
| 1830. | ||
| The Bakerian Lecture. On the Manufacture of Glass for Optical Purposes. By Michael Faraday, Esq. F.R.S. &c. | page 383 | |
| Account of Levellings carried across the Isthmus of Panama, to ascertain the relative Height of the Pacific Ocean at Panama, and of the Atlantic at the mouth of the River Chagres; accompanied by Geographical and Topographical Notices of the Isthmus. By John Augustus Lloyd, Esq. | 385 | |
| On the Law of the partial Polarization of Light by Reflexion. By David Brewster, LL.D. F.R.S. L. & E. | 387 | |
| A Report on the Stomach of the Zariffa. By Sir Everard Home, Bart. V.P.R.S. | 389 | |
| On the Production of regular double Refraction in the Molecules of Bodies by simple Pressure; with Observations on the Origin of the doubly refracting Structure. By David Brewster, LL.D. F.R.S. L.& E. | 389 | |
| Experiments on the Influence of the Aurora Borealis on the Magnetic Needle. By the Rev. James Farquharson, F.R.S. | 391 | |
| Remarks on several Icebergs which have been met with in unusually low Latitudes in the Southern Hemisphere. By Captain James Horsburgh, F.R.S. | 392 | |
| On the progressive Improvements made in the Efficiency of Steam Engines in Cornwall; with Investigations of the Methods best adapted for imparting great angular Velocities. By Davies Gilbert, Esq. P.R.S. | 393 | |
| On the Laws of the Polarization of Light by Refraction. By David Brewster, LL.D. F.R.S. L.& E. | 394 | |
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