INDEX. 



935 



Smoke from domestic and other fires, a 

 system of purifying, by Col. E. Dulier, 

 880. 



* Smoke-consuming apparatus, by A. R. 

 Sennett, 880. 



Smyth (Dr. C. P.) on researches on the 

 ultra-violet rays of the solar spectrum, 

 74. 



Snelus (G. J.) on the best method of 

 establishing an international standard 

 for the analysis of iron and steel, 18G. 



*Social inquiry, methods of, by Prof. P. 

 Geddes, 835". 



Solar radiation, eighth report on the best 

 methods of recording the direct in- 

 tensity of, 1.58. 



Solar spectrum, the ultra-violet rays of 

 the, report on researches on, 74. 



SoUas (Prof. W. J.), *supposed radio- 

 larian remains from tiie slates of 

 Howth, 723 ; *supposed radiolarian 

 remains from the CuldafE limestone, ih. 



Solution, the bibliographj' of, sixth 

 report on, 261. 



, the nature of, sixth report on, 



261. 



Solutions, the vapour-pressures of, a 

 method for determining, Dr. T. Ewan 

 and W. P. Ormandy on, 693. 



Somervail (A.) on the relations of the 

 rocks of the Lizard district, 719. 



Sorby (Dr. H. C.) on the cretaceous 

 polyzoa, 301. 



Specific conductivity of thin films, by 

 Profs. A. W. Reinold and A. W. 

 Riicker, 639. 



Spectra of the elements and compounds, 

 wave-length tables of the, report on, 

 193. 



Spectroscopic measurements, the appli- 

 ■ cation of interference methods to, 

 A. A. Michelson on, 170. 



Spectroscopy, the bibliography of, fourth 

 report on, 192. 



*Spiders, can they prognosticate weather 

 changes ? by Dr. McCook, 790. 



* , the social habits of. Dr. BIcCook 



on, 754. 



Spiller (J.) on the best method of esta- 

 blishing an international standard for 

 the analysis of iron and steel, 186. 



Spinal nerves, the posterior cranial and 

 anterior, in mammals, the development 

 of. Dr. A. Robinson on, 785. 



*.Stability of periodic motion, Lord 

 Kelvin on the, 638. 



Standards of resistance and electro- 

 motive force sent from Berlin for 

 comparison with the British Associa- 

 tion standards, R. T. Glazebrook on 

 certain, 154. 



Statistics, Economic Science and. Address 

 by Sir C. W. Fremantle to the Sec- 

 tion of, 822. 



Steam brake for locomotives, a new form 

 of, W. Cross on, 884. 



Steam generators especially adapted for 

 high pressures, the design of. B. H. 

 Thwaite on, 877. 



Steel and iron, the best method of esta- 

 blishing an international standard for 

 the analysis of, fourth report on, 186. 



*Sterndale (R. A.) on Cyclopean archi- 

 tecti^re in the South Pacific islands, 

 897. 



Stevenson (C. A.) on the progress of the 

 dioptric lens as used in lighthouse 

 illumination, 879. 



Stevenson (D. A.), proposed Forth and 

 Clyde ship canal, 863 ; on motors used 

 for fog signals in the northern light- 

 house service, 879. 



*Stickleback, fertilisation of the eggs of 

 the, by Prof. J. B. Haycraft, 792. 



Stokes (Sh G. G.) on the best methods 

 of recording the direct intensity of 

 solar radiation, 158. 



Stoney (Dr. G. J.) on standards for use 

 in electrical measurements, 132 ; on 

 the best methods of recording the 

 direct intensity of solar radiation, 158. 



Stooke (T. S.) on the circulation of under- 

 ground waters, 264. 



Strahan (A.) on underground tem- 

 perature, 129. 



Strength of small chains, the, by Prof. 

 H. S. Hele-Shaw, 878. 



Stroud (Prof. W.) on the action of light 

 upon dyed colours, 263. 



Struthers (Prof.) on the articular pro- 

 cesses of the vertebrfe in the gorilla 

 compared with those in man, and on 

 costo-vertebral variation in the gorilla, 

 906. 



Submergence in Scotland during the 

 glacial epoch, the alleged proofs of, 

 D. Bell on, 713. 



Sulphates, the action of dry ammonia 

 gas on, Prof. W. R. Hodgkinson and 

 Col. C. C. Trench on, 675. 



Sulphur, the iodides of. Prof. H. McLeod 

 on, 690. 



Sulphur di-oxide, dry, the action of, on 

 oxy-salts. Prof. W. R. Hodgkinson and 

 J. Young on, 076. 



*Sumpner (W. E.) and Prof.W.E. Ayrton, 

 the efficiency of transformers, 638. 



* Surveying, photography as a means of, 

 by Col. H. C. O. Tanner, 814. 



Sutherland (Dr. J. F.), the criminal and 

 the habitual offender from an eco- 

 nomic, statistical, and social stand- 

 point, 845. 



*Swainson (G.) on marine and fresh- 

 water chironomus, 790. 



♦Swan (A. P.), the effect of sea water on 

 the vitality of the salmon fungus, 772. 



Swan (R. M. \V.), the orientation and 



