INDEX. 



lxxvii 



Pope (W. J.) angular measurement of 

 optical axial emergences, 366. {Title 

 only.) 



Potential difference, the measurement 



of high (Leake, Leventhorpe, and 



Whitehead), 155. 

 Presents, list of, 39, 74, 158, 183, 208, 



226, 236, 254, 279, 285, 298, 307, 312, 



366. 



President, address of the, 107. 

 Purdie (Thomas), admitted, 137. 



Ramsay (W.) helium, a gaseous consti- 

 tuent of certain minerals. Part II. 

 Density, 325. 



and J. N. Collie, on the behaviour 



of argon and helium when submitted 

 to the electric discharge, 257. 



and A. Kellas, examination of 



gases from certain mineral waters, 

 68. 



Eandall (W. W.) and J. P. Kuenen, 

 the expansion of argon and of helium 

 as compared with that of air and 

 hydrogen, 60. 



Rayleigh (Lord) on some, physical pro- 

 perties of argon and helium, 198. 



Refraction of various substances for the 

 electric ray, on the determination of 

 the indices of. I. Index of refraction 

 of sulphur (Bose), 160. 



Regression, heredity, and panmixia 

 (Pearson), 69. 



Reptilia, researches on the structure, 

 organisation, and classification of the 

 fossil. Part X. On the complete 

 skeleton of an anomodont reptile 

 {Aristodesmits Riitimeyeri, Wieders- 

 heim), from the Bunter sandstone of 

 Reihen, near Basel, giving new evi- 

 dence of the relation of the anomo- 

 dontia to the monotremata (Seeley), 

 167. 



Roberts-Austen (W. C.) on the diffu- 

 sion of metals. Bakerian lecture, 

 281. 



Rontgen light, on the reflection of from 

 polished speculum-metal mirrors 

 (Blythswood), 330. Note by Lord 

 Kelvin, 332. 



rays, on the discharging electricity 



produced by the, and the effects pro- 

 duced by these rays on dielectrics 

 through which they pass, 274. 



■ X rays, on the effect of, on the 

 contact electricity of metals (Mur- 

 ray), 333. 



radiation of (Lodge), 276. 



the effect of, on cloudy con- 

 densation (Wilson), 338. 



and discharge of electricity, 



276. 



Runge and Paschen's diffusion experi- 

 ment with the new gas from uranin- 

 ite, remarks on (Lockyer), 342. 



Schafer (E. A.) and B. Moore, on the 

 rhythmic contractility of the spleen. 

 Preliminary notice, 229. 



on the spinal-root connections 



and ganglion-cell connections of the 

 nerve-fibres which produce contrac- 

 tion of the spleen, 287. 



Schunck (E.) and L. Marchlewski, con- 

 tributions to the chemistry of chloro- 

 phyll. No. VII. Phylloporphyrin 

 and haematoporphyrin : a comparison, 

 233. 



Searle (G-. E. C.) problems in electric 

 convection, 343. 



Seeley (H. G-.) researches on the struc- 

 ture, organisation, and classification 

 of the fossil reptilia. Part X. On 

 the complete skeleton of an anomo- 

 dont reptile {Aristodesmits Riiti- 

 meyeri, Wiedersheim) from the Bun- 

 ter Sandstone of Reihen, near Basel, 

 giving new evidence of the relation of 

 the anomodontia to the monotre- 

 mata, 167. 



Serum of highly immunised animals, 

 and its use for diagnostic and other 

 purposes, on a special action of the 

 (Durham), 224. 



Shattock (S. G-.) the healing of incisions 

 in vegetable tissues, 182. 



Spectra, flame, observed at Swedish 

 Bessemer Works (Lundstrom), 76. 



from Swedish Bessemer Works, 



remarks on the origin of some of the 

 lines and bands observed in the 

 (Hartley), 98. 



Spectrum, solar, on the absorption of 

 the extreme violet and ultra-violet 

 rays of the, by haemoglobin, its com- 

 pounds, and certain of its derivatives 

 (G-amgee), 276. 



Spherical harmonics of unrestricted 

 degree, order, and argument on a 

 type of (Hobson), 189. 



Spheroid, the rotation of an elastic 

 (Hough), 185. 



Spleen, on the rhythmic contractility of 

 the spleen (Schafer and Moore) , 229. 



on the spinal-root connections and 



ganglion- cell connections of the nerve 

 fibres which produce contraction of 

 the (Schafer and Moore), 287. 



Spore-producing members, studies in 

 the morphology of. Part II. Ophio- 

 glossacese (Bower), 137. 



Starlight, the electrical measurement of. 

 Second report (Minchin), 231. 



and moonlight, the photographic 



