CONTENTS (continued). 



March 27, 1890. 



PAGE 



I. On Black Soap Films. By A. W. Reinold, M.A., F.R.S., and A. W. 



Rucker, M.A., F.R.S. . . . 303 



II. The Variability of the Temperature of the British Isles, 1869—1883, 



inclusive. By Robert H. Scott, F.R.S. (Plate 9) . . .303 



III. The Rupture of Steel by Longitudinal Stress. By Chas. A. Carus* 



Wilson . - . . 363 



IV. Measurements of the Amount of Oil necessary in order to check the 



Motions of Camphor upon Water. By Lord Rayleigh, Sec. R.S. . 364 

 V. On the Stability of a Rotating Spheroid of Perfect Liquid. By G. H. 



Bryan .367 



VI. A Determination of " v" the Ratio of the Electromagnetic Unit of 

 Electricity to the Electrostatic Unit. By J. J. Thomson, M.A., F.R.S., 

 Cavendish Professor of Experimental Physics, Cambridge, and G. F. C. 

 Searle, B.A., Peterhouse, Demonstrator in the Cavendish Laboratory, 



Cambridge 376 



VI T. On the progressive Paralysis of the different Classes of Nerve Cells in 

 the Superior Cervical Ganglion. By J. N. Langley, F.R.S., Fellow 

 and Lecturer of Trinity College, and W. Lee Dickinson, M.R.C.P., 



Caius College, Cambridge . . . . • 379 



List of Presents . . . . .390 



Obituary Notices : — 



Dr. Cobbold . . . . iv 



John Ball . . . . . v 



The Rev. Miles Joseph Berkeley, M.A., F.L.S ix 



Sir Robert John Kane, LL.D. xii 



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In 1 vol., 4to. Pp. 500. With 6 Chromolithographs of the remarkable Sunsets of 

 1883 and 40 Maps and Diagrams. 



THE ERUPTION OF KRAKATOA AND SUBSEQUENT PHENOMENA. 



Report of the Krakatoa Committee of the Royal Society. 



Edited by G. J. Symons, F.R.S. 



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