CONTENTS (continued). 



January 15, 1880. 



PAGE 



I. On Chemical Repulsion. By Edmund J. Mills, D.Sc, F.E.S. . . 68 



II. Results of an Inquiry into the Periodicity of Rainfall. By Gr. M. 



Whipple, B.Sc, F.R.A.S., Superintendent of the Kew Obserratory . 70 



III. Studies on the Electric Arc. By Professor James Dewae, M.A., F.R.S., 



Fullerian Professor of Chemistry at the Royal Institution . . 85 



IV. On the Spectra of Magnesium and Lithium. By Gr. D. Liyeing-, M.A., 



F.R.S., Professor of Chemistry, and J. Dewae, M.A., F.R.S., 

 Jacksonian Prof essor, University of Cambridge .... 93 



January 22, 1880. 



I. On certain Definite Integrals. No. 6. By W. H. L. Russell, F.R.S. . 100 



II. On certain Definite Integrals. No. 7. By W. H. L. Russell, F.R.S. . 103 



III. On the Construction of a Glycerine Barometer. By James B. Jordan 105 



IV. On a Possible Mode of Detecting a Motion of the Solar System through 



the Luminif erous Ether. By the late Professor J. Clerk Maxwell, 

 F.R.S. In a Letter to Mr. D. P. Todd, of the Nautical Almanac 

 Office, Washington, U.S. 108 



January 29, 1880. 



I. English Reproduction Table. By Dr. W. Faee, F.R.S. . . .110 



II. A Note on Protagon. By Aethur G-amgee, M.D., F.R.S., Brackenbury 



Professor of Physiology in Owens College, Manchester . . .111 



III. On the Induction of Electric Currents in Infinite Plates and Spherical 

 Shells. By C. Nitex, M.A., Professor of Mathematics in Queen's 

 College, Cork . . 113 



List of Presents 122 



A Magnetic Surrey of the Fortieth Parallel in North America between 

 the Atlantic Ocean and the Great Salt Lake, Utah. By T. E. 

 Thoepe, Ph.D., F.R.S. . . 132 



CATALOGUE OF SCIENTIFIC PAPERS, COMPILED BY THE ROYAL 



SOCIETY. 



Published by Her Majesty's Stationery Office. 

 8 toIs., 4to. 1800—1873. Per toI. : 20*., cloth ; 28*., half -morocco. 

 On Sale by Murray, Albemarle Street, and Triibner and Co., Ludgate Hill. 



HARRISON AND SONS, 45 & 46, ST. MARTIN'S LANE, W.C., 



AND ALL BOOKSELLERS. 



