Gaylord, Willis, Esq., on Thunder Showers, Parhelia, &c.... 294 Gelatine, Extraction and Decolorization of...... .... Gilbert, Mrs. Davis, on Spade Husbandry Glaciers, the Formation of Glass Spinning.... ... Goode, Dr. Wm., on Daguerreotype by Galvanic Light ...... Gregory, Professor Dr. W., on Hydrochloric Acid.... H. Hæmatoxylin Haldine, Col., on the Forces of Electric Batteries Halo, Description of a..... 464 309 299 Harris, W. S., Esq., on Meteorological Observations........ 211 Herschel, Sir John, on Meteorological and Magnetic Ob- 200 servations... 218 ..... Hodgkinson, Eaton, Esq., on the Strength of Materials. 222 98 Howard, Luke, Esq.,. on Meteorology. Hutton, Mr., on Earthquakes ... Humboldt, Baron, on the Action of Metals on the Animal Organs.. .... .... 522 Hunt, R., Esq., on the Influence of Light on Seeds and Plants 130 Hydrochloric Acid, Preparation of I. 255 Ibbetson, L. B., Esq., on Fossil Fishes .... Indian Rubber Stoppers for Bottles Induction, from the Discharge of a Battery.... 132 458 28 Joule, J. Prescot, Esq., on the Electric Origin of Heat...... 200 ........ 299 131 335 King, Dr. Alfred T., on a Halo of great Splendour ... L. Lectures on Electricity... Light, its Influence on Seeds and Plants..... .24 417 440 130 Leigh John, Esq., on a New Product from Coal Naptha..... 210 Liddle, Andrew, Esq., on Ventilation 458 109 Liebig, Professor, on the Preparation of Cyanide of Potassium 245 Mallet, Mr., on the Action of Air and Water on Iron ...... 450 Matteucci, M. Charles, on the Induction from the Charge of a Milne, James, Esq., on the Cause and Nature of Galvanism .. 312 PAGE. Mud of Rivers Mullins, F. W., Esq., on Voltaic Combinations N. Nasmyth, Mr., on the Stratification of Clouds on the Fracture of Iron Axletrees Nasse, Professor, on the Composition of Blood and Bones .... Nitrate of Silver traversed by Electric Currents Notices of New Books..... 200 243 34 63 247 0. Organic Matter in the Surface of Soils.... 197 200 Osler, Mr. Follett, on the Vernier applicable to the Measure- ment of Zinc..... .... 216 Owen, Professor Dale, on the Geology of North America.... 130 ..... 129 193 Patents P. 339 346 Pearson, Dr. George, on the Electro Decomposition of Water 496 Perchloric Acid, the Preparation of.... Playfair, Dr. Lyon, on New Metallic Oxides .......... 129 193 Powell, Professor Baden, on Polarization of Light...... 126 196 Righieri, M., on the Preparation of Chloride of Zinc........ 256 Rogers, Professor, on the Appalachain Mountains Royal Society, Proceedings of..... 79 305 147 150 152 127 53 Ryan, Dr. J., on a New Theory of Daguerreotype.......... 222 Schwabe, Lewis, Esq., on Glass Spinning .... .... - Scoresby, the Rev. Dr., on Permanent Magnets Shepherd, Dr. C. Upham, on Microlite and Pyrochlore...... 348 Singer, George J., on the Electric Column.... Sonberian, M., on the Preparation of Calomel .... Spade Husbandry Spectrum, the Solar Starke, Dr. James, on Glaciers Sturgeon, William, on the Electro Ignition of Gunpowder ..14 19 T. Time, Proposed Subdivision of, by the Venier Thunder Gusts, Hypothesis of.. Ventilation of Dwelling Houses, &c. Vignolles, Professor, on the Fracture of Iron Axletrees... Voltaic Circles ..... on Concrete and Cement Pile of Plate Iron W. Whewell, Professor, his Address on leaving the Chair, as Pre- sident of the British Association ... 112 Wöhler, M., on an Iron Voltaic Battery.... 138 Wollaston, Dr. W. Hyde, on the Electro Decomposition of Water 518 Z. Zinc, the Atomic Weight of. 256 |