INDEX, 
Smithells (Prof.) on the present methods. 
of teaching chemistry, 265. 
Smyth (Dr. C. P.), photographs of the 
invisible, in. solar spectroscopy, 750. 
Snakes’ egegs,. the: incubation of, Dr. W. 
Sibley on, 860: 
Snelus (G. J.) on the: best method of 
establishing an international standard 
for the analysis of iron and steel, 262. 
Solar radiation, sixth report on the best 
methods. of recording the direct in- 
tensity of, 144. 
Solar spectroscopy, photographs of the 
invisible, in, by Dr. C. P..Smyth, 750. 
Solar spectrum, recent photographs of 
the less refrangible portions of, under 
different atmospheric conditions, by 
G. Higgs, 760. 
Solution, the bibliography of, fourth 
report on,. 310. 
~—, the molecular refraction of sub- 
stances in,, Dr. Gladstone on, 322. 
——, the present position of the hydrate 
theory of, by 8. U. Pickering, 311. 
——,, the theory of, discussion on: S. U. 
Pickering, 311, 387; Dr. J. H. Glad- 
stone, 322; Dr. Arrhenius,. 323; Dr. 
Walker, 325; Prof.. Ramsay, ib.; Dr. 
Armstrong, 2b. ; Prof. Fitzgerald, 326 ; 
Prof. O. J. Lodge, 330; Prof. Ostwald, 
Sols) Prof. van *b) Hoft, 335; W. N. 
Shaw, 336. 
, ——, Dr. Arrhenius on, 323. 
Solutions, the freezing-points of, an appa- 
ratus for the determination of, P. J. 
Hartog and J. A.. Harker on, 779. 
——, the properties of, fourth report on, 
310. 
Sorby (Dr. H. C.) on arranging an. inves- 
tigation of the seasonal variations of 
temperature in lakes, rivers, and estu- 
aries, 92; on the cretaceous polyzoa, 
378. 
Southward (J.), a rotary machine for 
composing and distributing printing 
type, 951. 
Specific resistance of copper, T. C. Fitz- 
patrick on the, 120. 
*Spectra of the elements, the, and the 
constitution of the sun, by Prof, H. A. 
Rowland, 751. 
Spectra of the elements and compounds, 
report on the preparation of a new 
series of wave-length tables of the, 
224. 
Spectra of the haloid salts of didymium, 
the, by Dr. G. H. Bailey, 773. 
Spectroscopy, the bibliography of, report 
on, 261. 
Speeton clays, the, and their equivalents 
in Yorkshire, G. W. Lamplugh on, 808. 
Spiller (J.) on the best method of esta- 
blishing an international standard for 
- the analysis of iron and steel, 262, 
" ' 
4 
1003 
Spirometer, a new, by W. F. Stanley, 982. 
Stallard (Mr.) on the present methods of 
teaching chemistry, 265, 
Standard resistance coils, the values of 
certain, R. T.. Glazebrook on, 98. 
Stanley (W. F.), a new. spirometer, 982. 
Starkey (W. J. S.. B.), secondary cells, 
958. 
Statistics, Economic Seience and, Address 
by Prof, A. Marshall to the Section of, 
898. 
*Statistics of pauperism, exhibition of 
maps illustrating the, by Dr. Rhodes, 
922. 
Steel used for permanent magnets,. the 
character of, W. H. Preece on, 752. 
Steel and iron,.the best method of esta- 
blishing an international standard for 
the analysis of, second report on, 262. 
, the influence of silicon on the 
properties of, fourth report on, 262 
Stethographic tracings of male and 
female respiratory movements, by Dr. 
Wilberforce Smith, 981. 
Steward (Rey. C. J.) on arranging an in- 
vestigation of the seasonal variations 
of temperature in lakes, rivers, and 
estuaries, 92. 
*Stockdale (R.) and J. E. Marsh, the pro- 
duction ef camphor from turpentine, 
785. 
Stokes (Sir G. G.)‘on the best methods 
of recording the direct intensity of 
solar radiation, 144. 
*Stone hammers, a suggestion as to the 
boring of, by W. Horne, 980. 
Stoney (F. G. M.) on the construction of 
sluices for rivers, &c., 954. 
Stoney (Dr. G. J.) on the best methods 
of recording the direct intensity of 
solar radiation, 144. 
Stooke (T. S.) onthe circulation of under- 
ground waters, 352. 
Stopes (H.), indications of retrogression 
in prehistoric civilisation in the 
Thames valley, 979. 
*Strains, the measurement of, A. Mallock 
on, 962. 
Strata forming the base of the Silurian 
in North-east Montgomeryshire, J. B. 
Morgan on the, 816. 
Stroud (Prof. W.) and Prof. A. Barr on 
some new telemeters, or range-finders, 
499 ; on the use of the lantern in class- 
room work, 727; *exhibition of a 
mechanism, 962. 
Submarine cables for long-distance tele- 
phony, the form of, W. H. Preece on, 
959. 
Sulphur waters of Yorkshire, the, by C. 
H. Bothamley, 779. 
Sun-heat from different parts of the solar 
disc, a radiometric record of, W. HB. 
Wilson on, 760, . 
