562 



INDEX. 



[October, 



Rose, Gustav, action of heat on dia- 

 mond and graphite, 537 

 Rosse, Earl of, heat from the moon, 279 



O AFETY-LAMP, new, 413 



— lamps, 262 



Salt-cake for purifying iron, 134 



Sandberg, C. P., rail economy, 269 



Savory, H. S., " Geometric Turn- 

 ing " (review) 406 



Sawdust, alcohol from, 281 



Scheerer, M., removal of phos- 

 phorus from pig-iron, 263 



" School Manual of Geology " (re- 

 view), 258 



Science and sects, 285 



" Science Primers ; Physical Geo- 

 graphy " (review), 411 



Sea, safety at, 553 



Sects and science, 285 



Sedgwick, Rev. Adam, obituary of 

 269 



Seebachite, a new mineral, 136 



Selenium, conductivity of, for electri- 

 city, 280, 



Sewage problem, a solution of the, 55 



Shells, 267 



Ships, bow and stern screw, 542 



Siemens, C. W., manufacture of iron 

 and steel, 414 



" Signal Service U.S. Army : Tele- 

 grams and Reports for the Bene- 

 fit of Commerce and Agriculture " 

 (review), 260 



Silliman, B., description of the re- 

 markable deposits of fossiliferous 

 iron ore in Southern Penn- 

 sylvania, 263 



— diamonds in California, 416 

 Silver amalgams, 266 



— filiform, artificial production of, 136 



— and gold, extraction of from cop- 



per pyrites, 134 

 separation of from lead, 134 



— articles, cleaning, 428 



Slags from blast-furnace, utilisation 



of, 415 

 Slide for viewing microscopic objects, 



139 

 Smith, L., note on meteoric iron, 266 



— W., conductivity of selenium for 



electricity, 280 



— W. S., pneumatic foundations, 417 

 Smyth, Ptazzi, " The Pyramids of 



Egypt" (review), 511 

 Soaps, alumina, 553 

 Solar phenomena, lecture illustrations 



of, 547 

 Soluble glass for washing, 282 

 Solution of the sewage problem, 55 



Soudan railway, 268 

 Sorby, H. C, comparative vegetable 

 chromatology, 451 



— on Aphides, 421 



Species and genera, introduction in 



geological time, 363 

 Spectra of some cobalt compounds in 



blowpipe chemistry, 419 

 Spectroscope, glass reading scale for, 



274 



— presented to the University of Ox- 



ford, 546 



Spence, Mr., combustibility of the 

 diamond, 424 



Spheroidal state, 279 



Staurolite, 539 



Steel, production of, 133 



Stentorin spectrum, 422 



Stoney, B. B., "The Theory of 

 Strains in Girders and Similar 

 Structures" (review), 254 



Stratigraphical geology, 271, 424, 544 



•' Strength of Materials and Struc- 

 tures " (review), 124 



Symonds, W. S., " Records of the 

 Rocks" (review), 121 



Syngenite, a new mineral, 135 



TAMM, H., metallurgy of man- 

 ganese, 133 

 Taylor, J. E., " Geological Stories : 



a Series of Autobiographies in 



Chronological Order" (review), 



258 

 Telegraphy, duplex, 550 

 Tertiary formations of New Zealand, 



425 

 Thallium, atomic weight of, 7 

 " Theory of Strains in Girders and 



similar Structures, &c." (review), 



254 

 Thomson, C. W., "The Depths of 

 the Sea" (review), 523 



— Sir W., and G. P. Tait, " Elements 



of Natural Philosophy " (review), 

 409 



— " Reprint of Papers on Electro- 



Statics and Magnetism " (re- 

 view), 529 



Timbs, J., "The Year-Book of Facts 

 in Science and Art" (review), 531 



Tin, effect of cold on, 143 



— foil, painting on, 142 



— from Australia, 132 

 New South Wales, 132 



— smelting in Banca, 134 

 Tones, pitch of, 564 



Topley, G., comparative agriculture 

 of England and Wales, 426 



"Transit of Venus in 1874" (review), 

 250 



