Index. 551 



Searle, G. F. C, Method of measuring the loss of energy in Hysteresis, 2. 



Sections of surfaces, Method of discussing plane (Dixon), 198. 



Sedgwick, A., Discussion of Dr Gaskell's paper, 37. 



Sedgwick, W. F., Elected Fellow, 1898, May 2, 513. 



Seward, A. C, Notes on Geological History of Monocotyledons, 110. 



On the leaves of Bennettites, 273. 



On Encephalartos Ghellinckii, Lem., a rare Cycad, 340. 



Shipley, A. E., Discussion of Dr Gaskell's paper, 40. 

 Shrubsall, F. C, Crania from Teneriffe, 154. 



Skinner, S., and Thomson, Chemical effect of kathode rays, 371. 



Solar Radiation, Distribution of, and its dependence on Astronomical 



Elements (Hargreaves), 61. 

 Spectroheliograph, A suggestion for a form of (Newall), 179. 

 Spectroscope used in connexion with 25-inch refractor (Newall), 179. 

 Spectrum at once, On photographing the whole length of a (Liveing), 141. 

 Spheres, Theorems on the contacts of (Orr), 271. 

 Stokes, Sir G. G., On the nature of the Rontgen Rays, 215. 

 Stomata by a new method, Observations on (Darwin), 303. 

 Surfaces, Method of discussing the plane sections of (Dixon), 198. 

 Symmetry in foliage of mulberry (Hughes), 18. 



Teneriffe, Crania from (Shrubsall), 154. 



Tetrahedron, Generalization of certain properties of the (Brill), 98. 



Thermometric fixed points (Griffiths), 224. 



Thomson, Prof. J. J., Longitudinal Electric Waves and Rontgen Rays, 49. 



On the cathode rays, 243. 



Effect of zinc and other metals on a photographic plate, 372. 



On the diffuse reflection of Rontgen Rays, 393. 



and J. A. McClelland, Leakage of Electricity through Dielectrics 



traversed by Rontgen Rays, 126. 



and S. Skinner, A chemical effect produced by the impact of kathode 



rays, 371. 

 Townsend, J. S., On electricity in gases and the formation of clouds in 

 charged gases, 244. 



Electrical properties of newly prepared gases, 345. 



Travertine lining a pipe, Specimen of (Hughes), 17. 



Triloculina and Biloculina, Quinqueloculine arrangement of chambers in the 

 young of (Lister), 236. 



Ultra-violet light on the conductivity of iodine vapour, Effect of (Henry), 

 319. 



On moist air, Production of a cloud by action of (Wilson), 392. 



The discharge of electrification by (Rutherford), 401. 



Uranium rays on the condensation of water vapour, Action of (Wilson), 333. 



