INDEX. 



539 



the neolithic period at Brandon, Suf- 

 folk, 400. 



Sladen (W. P.) on the occupation of a 

 table at the zoological station at Naples, 

 167. 



Smith (Prof. H. J. S.) on mathematical 

 tables, 46. 



Soeotra, the natural bistory of, report of 

 the Committee appointed to take steps 

 for the investigation of, 210. 



*Solid-mounted preparations, L. C. Miall 

 on, 376. 



Sollas (W. J.) on the replacement of 

 siliceous skeletons by carbonate of 

 lime, 350 ; *on a sponge from the 

 Norwegian coast, simulating a hydroid 

 polyp, 377. 



Specific inductive capacity, some new 

 instruments recently constructed for 

 the continuation of researches on, J. 

 E. H. Gordon on, 249. 



of glass, secular changes in the, J. 



E. H. Gordon on, 250. 



Spectra of comets, the cause of bright 

 lines in the, G. J. Stoney on, 251. 



Spectral observations, recent, J. N. 

 Lockyer on, 317. 



Spectre photographique solaire, le maxi- 

 mum d'intensite du, Dr. J. Janssen 

 sur, 252. 



Spectroscope, a binocular, G. J. Stoney 

 on, 292. 



Spectroscopes, scales of variable length 

 for the eye-pieces of, G. J. Stoney on, 

 292. 



*Sponge from the Norwegian coast, simu- 

 . lating a hydroid polyp, W. J. Sollas on 

 a, 377. 



Spottiswoode (W.) on the progress of the 

 chief branches of mathematics and 

 physics, 37. 



Starling (J. H.) on improved photogra- 

 phic screens, 291. 



Stationary tides in the English Channel 

 and the North Sea, second report on the 

 phenomena of the, 71. 



Statistics, Economic Science and, Ad- 

 dress by G. Shaw Lefevre to the Sec- 

 tion of, 479. 



Steel, the manufacture of, the separation 

 of iron and phosphorus, specially with 

 reference to, T. Blair on, 296. 



, the presence of nitrogen in, A. H. 



Allen on, 302. 



, crucible, the manufacture of, H. S. 



Bell on, 293. 



Stewart (Prof. B.) on the mechanical 

 equivalent of heat, 36 ; on the pro- 

 gress of the chief branches of mathe- 

 matics and physics, 37. 



Stokes (Prof. G. G.) on the progress of 

 the chief branches of mathematics and 

 physics, 37; on mathematical tables, 

 46, 



3 



Stone age in Japan, Prof. J. Milne on the, 

 401. 



Stone implements, ancient, in India, the 

 forms and geographical distribution of,. 

 V. Ball on, 394. 



Stoney (G. J.), Address by, to the Mathe- 

 matical and Physical Section, 243 ; on 

 the cause of bright lines in the spectra 

 of comets, 251 ; on the curve of po- 

 larisation stress, as determined by Mr. 

 Crookes's measures with the radio- 

 meter, 256; on complete expansions 

 for the conduction of heat and the 

 polarisation stress in gases, 256 ; on a 

 binocular spectroscope, 292; on a simple 

 two-prism automatic motion, 292 ; on 

 scales of variable length for the eye- 

 pieces of spectroscopes, 292. 



Strachey (Major-Gen.) on the datum- 

 level of the Ordnance Survey of Great 

 Britain, and the tabulation and com- 

 parison of other datum-marks, 219. 



Stroma of mammalian red blood cor- 

 puscles, L. C. Wooldridge on the, 418. 



Sumatra, Central, the Dutch expedition 

 to, Prof. P. J. Veth on, 434. 



Sun-heat coefficients, report of the Com- 

 mittee appointed for the calculation 

 of, 66. 



Supersaturated solutions, an account of 

 some recent experiments on, by J. M. 

 Thomson, 317. 



Surface rocks of Syria, Jas. Perry on the, 

 348. 



Syllidian annelids, budding in the, chiefly 

 with reference to a branched form pro- 

 cured byH.M.S. ' Challenger,' Dr. W. 

 C. Mcintosh on, 372. 



Sylvester (Prof.) on the calculation of 

 tables of the fundamental invariants 

 of algebraic forms, 66. 



Symons (G. J.) on underground tempera- 

 ture, 40. 



Syria, the surface rocks of, Jas. Perry on, 

 348. 



Tait (Prof.) on the elasticity of wires, 33 - r 

 on the mechanical equivalent of heat, 

 36 ; on the progress of the chief 

 branches of mathematics and physics, 

 37. 



Telephone, the retardation of phase of 

 vibrations transmitted by the, Prof. S. 

 P. Thompson on, 254. 



Temperature of town water supplies, B. 

 Latham on the, 499. 



, underground, twelfth report on 



the rate of increase of, downwards in 

 various localities of dry land and under 

 water, 40. 



, , some broad features of, Prof. 



J. D. Everett on, 345. 



Temple (Lieut. G. T.), hydrography, past 

 and present, 229. 



