This page needs to be proofread.
xviii
| An Experimental Inquiry into what takes place during the Vinous, the Acetous, and different Putrefractive Fermentations of dissolved Vegetable Matter : and an Examination of some of the Products. By Robert Rigg, Esq. | page 406 |
| On the Chemical Changes occurring in Seeds during Germination. By Robert Rigg, Esq | 408 |
| A Comparison of the late Imperial Standard Troy Pound Weight with a Platina copy of the same, and with other Standards of authority. | 409 |
| On the Application of a New Principle in the Construction of Voltaie Batteries, by means of which an equally powerful current may be sustained for any period required ; with a description of a sustaining battery recently exhibited at the Royal Institution. By Frederick W. Mullins, Esq. M.P. F.S.S | 410 |
| Anonymous Essay, entitled, Scoperta della Causa Fisica del Moto. | 410 |
| An Experimental Inquiry into the Modes of Warming and Ventilating Apartments. By Andrew Ure, M.D. F.R.S | 411 |
| An Experimental Inquiry into the Relative Merits of Magnetic Electrical Machines and Voltaic Batteries, as Implements of Philosophical Research. By William Sturgeon, Esq. Lecturer on Natural and Experimental Philosophy at the Honourable East India Company's Military Academy, at Addiscombe | 412 |
| Welt Mechanik. By M. Kropalschek | 413 |
| Plan et Essai d'un nouveau Catalogue Sideral, avec une representation graphique, et une loi de simple et reguliere distribution des 6toilea autour du Pole, qui pourra fournir plusieurs avantages a l'Astronomie pratique. By Professor Joseph Bianchi, Superintendent of the Observatory at Modena | 413 |
| On the Composition and Decomposition of Mineral Waters. By the Rev. George Cooke, LL.B | 414 |
| Inquiries concerning the Elementary Laws of Electricity, Part II. By William Snow Harris, Esq., F.R.S | 414 |
| A New Theory of the Constitution and Mode of Propagation of Waves on the Surface of Fluids. By H. J. Dyar, Esq. | 414 |
| Researches in the Integral Calculus. Part lit By Henry Fox Talbot, Esq. F.R.S | 417 |
| Investigation of New Series for the Rectification of the Circle. By James Thomson, LL.D. Professor of Mathematics in the University of Glasgow. | 417 |
| Inquiries respecting the Constitution of Salts, of Oxalates, Nitrates, Phosphates, Sulphates, and Chlorides. By Thomas Graham, Esq. F.R.S. Ed. Professor of Chemistry in the Andersonian University of Glasgow, &c. | 418 |
| Report upon a Letter addressed by M. le Baron de Humboldt to His Royal Highness the President of the Royal Society | 418 |
| Further Observations on the Optical Phenomena of Crystals. By Henry Fox Talbot, Esq. F.R.S. | 455 |
| First Memoir on the Theory of Analytical Operations. By the Rev. Robert Murphy, M.A. F.R.S. Fellow of Caius College, Cambridge. | 456 |
| Observations and Experiments on the Solar Rays that occasion Heat; with the application of a remarkable property of these rays to the |
