LONDON, EDINBURGH, AND DUBLIN PHILOSOPHICAL MAGAZINE AND JOURNAL OF SCIENCE. CONDUCTED BY SIR DAVID BREWSTER, K.H. LL.D. F.R.S.L. & E. &c. WILLIAM FRANCIS, PH.D. F.L.S. F.R.A.S. F.C.S. "Nec aranearum sane textus ideo melior quia ex se fila gignunt, nec noster vilior quia ex alienis libamus ut apes." JUST. LIPS. Polit. lib. i. cap. 1. Not. VOL. XIV.-FOURTH SERIES. JULY-DECEMBER, 1857. LONDON. TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET, SOLD BY LONGMAN, BROWN, GREEN, LONGMANS, AND ROBERTS; SIMPKIN, HODGES AND SMITH, DUBLIN; AND PUTNAM, NEW YORK. "Meditationis est perscrutari occulta; contemplationis est admirari perspicua . . . . . Admiratio generat quæstionem, quæstio investigationem, investigatio inventionem."-Hugo de S. Victore. -"Cur spirent venti, cur terra dehiscat, Cur mare turgescat, pelago cur tantus amaror, J. B. Pinelli ad Mazonium. M. J. Plateau's Experimental and Theoretical Researches on the Figures of Equilibrium of a Liquid Mass withdrawn from Mr. W. S. Jevons on the Cirrous form of Cloud. Mr. W. Lupton on Spherical Geometry Prof. Maxwell's Account of Experiments on the Perception of The Rev. S. Haughton's Notes on Mineralogy.-No. VI. On .... The Rev. T. P. Kirkman on the k-partitions of a Polygon Major-General Sabine on the Variation of Magnetic Decli- Dr. Martyn on the Function of the Thyroid Body Proceedings of the Geological Society :--- Note on the question-Is there any advantage, in chemical de- compositions, in introducing an Induction Apparatus of one wire in the circuit of a Voltaic Pile? by C. Despretz...... 75 On the slow Actions produced under the combined influence of Heat and Pressure, by M. Becquerel .. Note on the Optical Properties of Magnetic Bodies, by M.Verdet. 81 Dr. Atkinson's Chemical Notices from Foreign Journals Prof. Clausius on the Nature of the Motion which we call Mr. C. W. Vincent on the Formation of Sulphide of Aluminium. 127 Mr. G. P. Scrope on the Formation of Craters, and the Nature Notices respecting New Books:-Prof. Bunsen on Gasometry, Prof. Hodgkinson on the Strength of Pillars of Cast Iron. 150 On some Special Laws of Electrical Force, by Sir W. S. Harris. 156 Messrs. Calvert and Johnson on the Chemical Changes which Pig Iron undergoes during its conversion into Wrought Iron. 165 Mr. F. Guthrie on the Preparation of the Double Æthers .... Mr. G. P. Scrope on the Formation of Craters, and the Nature of Page Mr. A. Cayley on the Conditions for the Existence of given 223 tions of the Second, Third, Fourth and Fifth Degrees.. 219 Mr. J. P. Joule on the Thermo-electricity of Ferruginous 224 226 227 234 Mr. W. Crookes on the Photography of the Moon... On the Calculation of Vapour-densities, by Hermann Kopp On the Formation of Water by Platinum Electrodes, by M. Bertin. 235 On the Optical Properties of Magnetic Bodies.-Second Note, by M. Verdet.. 236 On the Improved Induction Coil, by Jonathan N. Hearder 237 239 NUMBER XCIII.-OCTOBER. Prof. Huxley on the Structure of Glacier Ice . . . 241 The Rev. H. Moseley on certain Elementary Formulæ, &c. 260 263 Dr. Atkinson's Chemical Notices from Foreign Journals .... 269 279 Dr. Schunck on the Occurrence of Indigo-blue in Urine Major-General Sabine on what the Colonial Magnetic Ob- Dr. Marcet on the Immediate Principles of Human Excre- Mr. C. V. Walker on a System of Train-Signalling 312 Notes on Froth, by Dr. Gladstone, F.R.S. 314 Note on Capillary Action, by G. Wertheim. 315 On the Improved Induction Coil, by C. A. Bentley 319 NUMBER XCIV.-NOVEMBER. Prof. Draper on the Influence of Light upon Chlorine, and some remarks on Alchemy.... 321 |