798 



INDEX. 



Spectroscope, an overlapping, J. Love 

 on, 564. 



Spectrum analysis, report on the present 

 state of our knowledge of, 317. 



Spectrum of silver chloride, the effect of, 

 Capt. Abney on, 694. 



Spencer (J.), researches in fossil botany, 

 627 ; notes on astromyelon and its 

 root, 628. 



*Spottiswoode (W.) on the polar planes 

 of a point with respect to four quadric 

 surfaces, 547. 



Spring flowers, the colours of, A. W. 

 Bennett on, 666. 



Statistics and economics viewed from 

 the standpoint of the preliminary 

 sciences, P. Geddes on, 765. 



Statistics, Economic Science and, Ad- 

 dress by the Rt. Hon. M. E. Grant 

 DufE to the Section of, 752. 



Steiner, un critSrium de, relatif a la 

 theorie des sections coniques, M. 

 Halphen sur, 532. 



Stephanos (C.) *sur les faisceaux de 

 forme biquadratique binaire ayant 

 une meme Jacobienne, 534; *on a 

 connection between homographies in a 

 straight line and points in a space, 

 538 ; *sur la representation des rota- 

 tions autour d'un point par des points 

 de I'espace, 547. 



Stewart (Balfour) on the possibility of 

 the existence of intra-mercurial 

 planets, 518. 



Stipa, the mode in which the seed of, 

 buries itself in the ground. Sir J. 

 Lubbock on, 668. 



Stokes (Prof. G. G.) on mathematical 

 coal tables, 303. 



Stone (J. Harris), the viking's ship, dis- 

 covered at Sandefjord in Norwaj-, 

 1880, 689. 



Stone (W. H.) on the effect of the voltaic 

 current on the elimination of sugar, 

 724. 



Stone circles, the relation of, lo outlying 

 stones or tumuli or neighbouring hills, 

 with some inferences therefrom, A. L, 

 Lewis on, 697. 



*Stone implements from Asia Minor, 

 exhibition of, by Hyde Clarke, 703. 



Stoney (Mr.) on the present state of our 

 knowledge of spectrum analysis, 317. 



Stooke (S.) on the circulation of under- 

 ground waters, 309. 



Stopes (H.) on some ores and minerals 

 from Laurium, Greece, 650 ; traces of 

 man in the Crag, 700 ; some results of 

 the removal of the malt tax, 765. 



Strahan (A.) on iinderground tempera- 

 ture, 90 ; on the discovery of coal- 

 measures under New Red Sandstone, 

 and on the so-called Permian rocks of 

 St. Helen's, Lancashire, 632 ; on the 



Lower Keuper Sandstone of Cheshire, 

 635. 



Stream lines, a problem in, Prof. A. W. 

 Riicker on, 554. 



Struthers (Prof.) on the acetabulum of 

 animals in which the ligamentum teres 

 is described as wanting, 720 ; on the 

 correspondence between the articula- 

 tions of the metacarpal and metatarsal 

 bones in man, 721. 



Sturm (Prof.) on some new theorems on 

 curves of double curvature, 440. 



Subsidences above the Permian lime- 

 stone between Hartlepool and Ripon, 

 A. G. Cameron on the, 617. 



Sun-heat coefficients, second report on 

 the calculation of, 89. 



Sunshine recorder stand, a universal, G. 

 M. Whipple on, 540. 



Sunspot activity and terrestrial mag- 

 netic disturbance, the general coinci- 

 dence between. Rev. F. Hewlett on, 

 541. 



Sunspot period, the, and planetary tides 

 in the solar atmosphere, F. B. Ed- 

 monds on, 544. 



Surface-tension and capillary action. 

 Prof. O. Reynolds on, 524. 



*Suspensory ligament of the fetlock of 

 the horse, ass, ox, sheep, and camel, 

 the structure and homologies of the. 

 Dr. D. J. Cunningham on, 726. 



*Swan (J. W.) on the Swan incandescent 

 lamp, 778. 



Sylvester (Prof.) on the calculation of 

 tables of the fundamental invariants 

 of algebraic forms, 55. 



Symons (G. J.) on underground tempera- 

 ture, 90 ; on the circulation of under- 

 ground waters, 309 ; on the rainfall 

 observations made upon York Minster 

 by Prof. John Philhps, F.R.S., 551. 



Symons (W.) on an easy method of 

 making carbon cells for galvanic bat- 

 teries, 557 ; on an antimonized cellular 

 carbon galvanic battery, ib. 



Tait (Prof.) on the measurement of the 

 lunar disturbance of gravity, 93. 



Tawney (E. B.) on the Upper Bagshot 

 Sands of Hordwell Cliff, Hampshire, 

 633. 



Taylor (H.) on standards for use in elec- 

 trical measurements, 423 ; on the 

 causes of the variation in the tempera- 

 ture-coefficient of the alloys of plati- 

 num and silver, 431. 



Telegraphic photography, S. Bidwell on, 

 777. 



Tellurium and selenium, the occurrence 

 of, in Japan, Prof. E. Divers on, 686. 



Temperature-coefficient of the alloys of 

 platinum and silver, H. Taylor on the 

 causes of the variation of the, 431. 



