INDEX. 



921 



standard, 1'6'S; ou tlie statistical data 

 available for determining the amount 

 of the precious metals in use as money, 

 &c., 164. 



Silicon, the influence of, on the properties 

 of steel, third report on, 2G7 ; alloys of 

 iron and silicon, by R. A. Hadtield, ib. 



Silicon and iron, alloys of, by R. A. Had- 

 field, 267. 



Silkworm, the section of silk by the, by 

 Prof. G. Gilson, 628. 



Skertchly (S. B. J.), tire-making in North 

 Borneo, 795 ; *on some Borneo traps, 

 ib. 



Skiddaw slates, dynamic mctamorphism 

 of, by J. E. Marr, 568. 



Skin, the natural colour of the, in certain 

 Oriental races, observations on, by Dr. 

 Beddoe, 787. 



Sladen (P.) on the occupation of a table 

 at the zoological station at Naples, 95. 



Smith (Prof. C. M.), notes on atmospheric 

 electricity and the use of Sir William 

 Thomson's portable electrometer in the 

 tropics, .507 ; the Bandaisan eruption, 

 Japan, July 1888, 56-1. 



Smith (Prof. R. 11.) on the development 

 of graphic methods in mechanical 

 science, 322. 



Smith (Dr. W. W.) on the early failure 

 of pairs of giinding teeth, 771. 



Smithells (Prof.) on the present methods 

 of teaching chemistry, 228 ; the teach- 

 ing of chemistrj' in public elementary 

 schools, 251. 



♦Smithsonian Institution in the United 

 States of America, the, and its work 

 relating to anthropology, by Dr. T. 

 Wilson, 785. 



Smyth (C. P.), re-examination of the 

 spectra of 23 gas-vacuum, end-on 

 tubes, after six to ten years of existence 

 and use, 490 ; hygrometry in the ' Me- 

 teorological Journal,' 508. 



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

 establishing international standards 

 for the analysis of iron and steel, 50. 



Social reform and industrial conciliation, 

 the relations between, by L. L. Price, 

 706. 



Sociology, notes on classification in, by 

 G. Weddell, 794. 



Solar radiation, the direct intensity of, 

 tilth report on the best methods of 

 recording, 40. 



Sole, the, and other food-fishes, the larval 

 and post-larval stages of. Prof. Mcin- 

 tosh on, 618. 



Solution, the bibliography of, third report 

 on, 53. 



Solutions, the properties of, third report 

 on, 53. 



Somerville (A. A.), experiments at Eton 

 College on the degree of concordance 



between different examiners in assign- 

 ing marks for physical qualifications, 

 477. 



Sorby (Dr. H. C.) on arranging an inves- 

 tigation of the seasonal variations of 

 temperature in lakes, rivers, and estu- 

 aries, 44; on the temperature of the 

 tidal estuaries of the south-east of 

 England, 509. 



■^Sparklcss electro-magnets. Prof. S. P. 

 'I'hompson on, 515. 



Specific and latent heat in relation to 

 the combining heats of the chemical 

 elements, 541. 



♦Specific characters as u.seful and indif- 

 ferent, by Prof. G. J. Romanes, 628. 



Specific heat of caoutchouc, the, by W. 

 W. H. Gee and H. L. Terrj', 516. 



Spectra of 23 gas-vacuum, end-on tubes, 

 re-examination of the, after six to ten 

 years of existence and use, by C. P. 

 Smyth, 490. 



Spectroscope, a, without a lens, by P. 

 Braham, 514. 



Spectroscopy, the bibliography of, report 

 on, 344. 



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

 lishing international standards for 

 the analysis of iron and steel, 50 ; 

 an experiment in colour-blindness, 

 518. 



Stallard (Mr.) on the present methods of 

 teaching chemistry, 228. 



Statistics, Economic Science and. Address 

 by Prof. F. Y. Edgeworth to the Sec- 

 tion of, 671. 



Steady platform for guns, search lights, 

 telescopes, kc, an apparatus for pro- 

 viding a, by B. Tower, 735. 



Steel, the influence of silicon on the 

 properties of, third report on, 267 ; 

 alloys of iron and silicon, by R. A. 

 Hadtield, ib. 



Steel and iron, report as to the best 

 method of establishing international 

 standards for the analysis of, 50. 



Stereometry, by W. W. H. Gee and Dr. 

 A. Harden, 516. 



Steward (Kev. C. J.) on arranging an in- 

 vestigation of the seasonal variations 

 of temperature in lakes, rivers, and 

 estuaries, 44. 



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

 of recording the direct intensity of 

 solar radiation, 40. 



Stoney (Dr. G. J.) on the best methods 

 of recording the direct intensity of 

 solar radiation, 40; '*on the relation 

 of the ether to space, 604. 



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

 ground waters, 71. 



Storms, the periodical return of, T. J. 

 Murday on, 509. 



Strachey (Gen. R.) on the geography and 



