CONTENTS. Vll. 



PAGE 

 Melvill, J. Cosmo, M. A, F.L.S.— On Cape Orchids 178 



Nicholson, Francis, F.Z.S. — On the abundance of Jack-snipes ... 159 



O'Neill, Charles, F.C.S. — Account of a curious phenomenon observed 



at Carrington Moss ... ... ... ... ... 1 



Reynolds, Osborne, M.A., LL.D., F.R.S., President.— On the death 



of Dr. James Prescott Joule... ... ... ... .. ... 5 



The Joule Memorial ... ... ... .. ... ... 55, 112 



Schunck, Edward, Ph.D., F.R.S., F.C.S. — On sparrows and yellow- 

 crocus ... ... ... ... ... ... ... ... ... 159 



On Dr. Gerhard Kruss's alleged discovery of a foreign substance in 



Commercial Nickel ... ... ... ... ... ... ... 1 70 



Schuster, Arthur, Ph.D., F.R.S., F.R.A.S.— On Dr. Joule's explan- 

 ation of the varying dips of magnetic needles of different lengths 116 

 On Dr. H. C. Buys Ballot 166 



Semmons, W. — OnTriassic Sandstone from the North of Spain 170 



Thomson, William, F.R.S.Ed., F.C.S., F.I.C.— On a remarkable 



pattern of Asbestos Cloth on the surface of an Iron Tube ... 6 



Williamson, W.C, LL.D., F.R.S. — Petroleum not associated with 



plant remains .. . ... ... ... ... ... ... ... 1 



On pith in the Fossil Forms of Exogenous Plants ... ... ... 184 



General Meetings 4, 63, 143, 151, 166, 169 



Annual General Meeting ... ... ... ... ... ... ... 207 



Meetings of the Microscopical and Natural History Section : — 



Annual ... ... ... ... ... ... ... ... ... 205 



Ordinary 3, 62, 116, 151, 165, 178, 205 



Meetings of the Physical and Mathematical Section : — 



Annual ... ... ... ... ... .. ... ... ... 2S6 



Ordinary 285, 286, 287 



Report of the Council, April, 1890, with Obituary Notices of John Dale, 



Daniel Adamson, Andrew Knowles, and Gustave Halphen ... 2S8 



List of Corresponding Institutions, &c. . 307 



Treasurer's Accounts ... ... ... ... ... ... ... ... 316 



Report of the Microscopical and Natural History Section, and Accounts 319, 321 



Report of the Physical and Mathematical Section ... ... ... ... 2S6 



List of the Council and Members of the Society ... .. ... ... 322 



