1871.] 



INDEX. 



571 



Scientific instruction, report on, 409 



Scotland, rainfall of, 124 



Screw propellers, 394 



Sea waves, 397 



Sections, microscopic grinding, 272, 



273 

 Seeley, Professor, solubility of 

 sodium in ammonia, 400 



— solvent power of ammonia, 127 



" Seled Methods in Chemical Analy- 

 sis (chiefly Inorganic) " (review), 



38i 



Selenitic mortar, 545 

 Self fertilisation, 296 

 Sellars, C, grinding microscopic 



sections, 273 

 "Series of Chemical Problems for 



Use in Schools and Colleges" 



(review), 382 

 Shafts, safety apparatus for, 288 

 Sheet-iron, Russian, 540 

 Sherman process for purifying iron, 



39i 



Ship canals, 293 



Ships, stability of, 544 



Siemens's electrical pyrometer, 119 



Signal lamp, self-lighting, 562 



Signalling, luminous, 413 



Silica, behaviour of in magnetic field, 

 542 



Silk, black-dyed, spontaneous com- 

 bustion of, 115 



Silver, nitrate of, action of on copper, 



— ornaments, ancient silver, 401 



— plating, test for, 405 



— reduction of chloride of, 407 

 nitrate of, 551 



Simpson, G., coal-cutting machinery, 

 288 



Simpson, W., new safety lamp, 288 



Singing telegraph, 117 



Slack, H. J., unusual form of micro- 

 scopic crystals, 275 



Smith, J. L., analyses of Stewart 

 County meteorite, 287 



Smyth, C. P., on the great pyramid 

 of Egypt, 16, 177 



— "Report to the Board of Visitors 



of the Royal Observatory, Edin- 

 burgh " (review), 372 



Sorby, H. C, various tints of au- 

 tumnal foliage, 64 



Sodium as an explosive agent, 548 



— for analysing minerals, 127 



— solubility of in ammonia, 400 



— solution of in ammonia, 127 

 Solar, corona, 227 



— engine, 140 



— protuberances, photographs of, 107 



— spectroscope, 107 



VOL. VIII. (O.S.) — VOL. I. (N.S.) 



Sorel's artificial stone, 412 

 Soundings, instrument for taking 



marine, 562 

 South African diamonds, 130 

 Spectra, chromolithographs of, 272 



— double, 1 



— of metallic compounds, 59 



— magnetic, projection of on a screen, 



560 

 Spectroscope, automatic, no, 270,413 



— direct vision, 271 



— ingenious application of, 272 



— solar, 107 



Spence, P., effect of cold on iron, 289 

 Spheroidal state, researches on the, 



554 

 Spicules of sponge, 113 

 Spiller, J., test for mixed fibres in 



fabrics, 129 

 Sponge fossil, 275 



— spicules, 113 

 Spontaneous combustion, 115 

 Starch, action of sulphuric acid on, 



401 



— conversion of into sugar, 410 

 Steam-boiler legislation, 214 



Steel and iron, effect of cold on, 288 



Stephenson, J. W., erecting binocular 

 microscope, 113 



Stewart, B., " Lessons in Elemen- 

 tary Physics" (review), 261 



Stone, artificial, 412 



— caissons, 544 



Storms, influence of firing of cannon 



on, 126 

 Storm warnings, 282 

 Strontian, rare minerals from, 408 

 Strychnine, test for, 128 

 " Student's Elements of Geology" 



(review), 256 

 " Sub-tropical Garden" (review), 383 

 Suckers on feet of Dytiscus, 418 

 Sulphide of carbon, congelation of, 



424 

 Sulphur, blue flame of, 114 



— deposit, new, 129 



— in coal gas, 550 

 Sulphuretted hydrogen contaminated 



with arsenic, 552 

 Sun, fuel of the, 435 



— Ruler, Fire, Light, and Life, of the 



Planetary System" (review), 263 

 Surveying, instruments for, 561 

 Sweden, iron producing districts of, 



39i 



"Switches and Crossings" (review) 



534 

 Syphon recorder, 120 



^pANGENT galvanometer, im- 



proved, 557 



4 e 



