PAGE. Gas, Fabrication of from Soap-Suds 347 Gasmeter, a Dry One 468 Gaylord, Willis, Esq., on Thunder Showers, Parhelia, &c.... 294 Gelatine, Extraction and Decolorization of.... 47 Gilbert, Mrs. Davis, on Spade Husbandry Glaciers, the Formation of Glass Spinning... Goode, Dr. Wm., on Daguerreotype by Galvanic Light .... ... 354 ... 538 14 19 Gregory, Professor Dr. W., on Hydrochloric Acid.... H. Hæmatoxylin 464 Haldine, Col., on the Forces of Electric Batteries 309 Halo, Description of a.... 299 Harris, W. S., Esq., on Meteorological Observations........ 211 200 Herschel, Sir John, on Meteorological and Magnetic Ob- servations. 218 .... Hodgkinson, Eaton, Esq., on the Strength of Materials...... 457 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 Joule, J. Prescot, Esq., on the Electric Origin of Heat...... 200 King, Dr. Alfred T., on a Halo of great Splendour Lectures on Electricity... L. Light, its Influence on Seeds and Plants..... 299 131 335 .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 245 450 Mallet, Mr., on the Action of Air and Water on Iron ...... Matteucci, M. Charles, on the Induction from the Charge of a Milne, James, Esq., on the Cause and Nature of Galvanism .. 312 Mullins, F. W., Esq., on Voltaic Combinations N. Nasmyth, Mr., on the Stratification of Clouds .... on the Fracture of Iron Axletrees PAGE. 132 464 347 214 453 Nasse, Professor, on the Composition of Blood and Bones.... 200 Nitrate of Silver traversed by Electric Currents Notices of New Books... 34 63 247 0. Organic Matter in the Surface of Soils... 197 200 216 Osler, Mr. Follett, on the Vernier applicable to the Measure- ment of Zinc.... Owen, Professor Dale, on the Geology of North America.... 130 Pearson, Dr. George, on the Electro Decomposition of Water 496 Playfair, Dr. Lyon, on New Metallic Oxides.. ... 129 193 Plummer, Dr. J. T., on a Dangerous Property in Wood Ashes 332 Powell, Professor Baden, on Polarization of Light.... 126 196 Potassium, Cyanuret of .... Preservation of Animal and Vegetable Substances R. Richardson, Mr., on Magnesian Limestone... Righieri, M., on the Preparation of Chloride of Zinc... Rogers, Professor, on the Appalachain Mountains Royal Medals, Award of... Russel, J. Scott, Esq., on Waves.... Ryan, Dr. J., on a New Theory of Daguerreotype.... S. PAGE. 209 100 211 256 79 305 ...... 147 150 152 127 53 Shepherd, Dr. C. Upham, on Microlite and Pyrochlore...... 348 Singer, George J., on the Electric Column.... Sturgeon, William, on the Electro Ignition of Gunpowder Letter to Professor Silliman.... Description of a Thunder Storm Sykes, Colonel, on the Meteorology of Coorg . 222 X T. Time, Proposed Subdivision of, by the Venier Telescope, Improvement of Thunder Gusts, Hypothesis of. PAGE. 216 201 484 336 167 Curious Clouds during ... 527 294 Storm at Bristol Storm Showers and Parhelia V. Ventilation of Dwelling Houses, &c. .... Vignolles, Professor, on the Fracture of Iron Axletrees.. on Concrete and Cement Voltaic Circles Pile of Plate Iron 109 109 466 78 138 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 |