LORD KELVIN, LL.D. P.R.S. &c. GEORGE FRANCIS FITZGERALD, M.A. Sc.D. .FR.S. AND 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 VOL. XXXIII.-FIFTH SERIES. LONDON: TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. SOLD BY SIMPKIN, MARSHALL, HAMILTON, KENT, AND CO., LD.; WHITTAKER AND CO.; PUTNAM, NEW YORK;-- VEUVE J. BOYVEAU, PARIS;- AND ASHER AND CO., BERLIN. 7131 "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, J. B. Pinelli ad Mazonium. ALERE FLAMMAM. CONTENTS OF VOL. XXXIII. Lord Rayleigh on Reflexion from Liquid Surfaces in the Neighbourhood of the Polarizing Angle .. Messrs. E. L. Nichols and B. W. Snow on the Character of the Light emitted by Incandescent Zinc Oxide.... Dr. G. Gore on a Method of Measuring Loss of Energy due Dr. J. W. L. Glaisher on the Connexion between Recurring Formulæ involving Sums of Divisors and the Corresponding Formulæ involving Differences between Sums of Even and Prof. A. Gray on the Calculation of the Induction-Coefficients Mr. J. Brown on the Theory of Electrolytic Conduction of Clausius; and on some recent Evidence for the Dissociation |