1871.] 



INDEX. 



567 



EARTH-EATING, 127, 401 

 Eclipse of last December, 227 

 Electric currents through rarefied 

 atmospheres, passage of, 279 



— hygrometer, 556 



— light, 115 



for coast service, 413 



in war, 111 



— pyrometer, 431 

 Electrical pyrometer, 119 



" Electrical Tables and Formulae " 



(review), 376 

 Electro-dynamic engines, 77 

 Electrolytic decomposition, laws of, 



556 

 Electro-magnet, remarkable, 560 

 " Elementary Treatise on Natural 



Philosophy" (review), 259, 534 

 " Elements of Plane and Solid 



Geometery" (review), 531 

 Elger, Mr., spectrum of aurora, 



112 

 Embrithite, mineral, 286 

 English guns, material for, 291 

 Eosite, mineral, 409 

 Eozoon canadense, 294, 418 

 Ericsson, Captain, solar engine, 140 

 Evaporation gauges, 281 

 Exhibition, International, scientific 



inventions at the, 562 

 Explosions, spontaneous and acci- 

 dental, prevention of, 549 



FAIRBAIRN, Sir W., effect of cold 

 on iron, 289 

 ■ — on steam-boiler legislation, 214 

 Farmer, M. G., fusion of iridosmine, 



"5 



Ferrie, Mr., improved blast furnace, 



138 

 Fibres, mixed, in fabrics, test for, 129 



— vegetable, 419 



Fiddian, Mr., microscopic lamp, 275 



Field gun, 392 



Filter pump, new, 129 



Filtration, porous cones for, 550 



Fires, coloured, 548 



— extinction of by gas, 422 

 Fischer, J. G., effects of lightning, 



Flax lint, microscopic examination of, 



112 

 Fluoride, new, Ralstonite, 543 

 Foliage, tints of, 64 

 Food, economy of, 128, 401 

 Forbes, D., iron producing districts 



of Sweden, 391 

 Force, heat, and chemical change, 



relations between, 77 



— new, experimental investigation of 



a, 339 



Fowler, G., smelting iron ores, 290 



" Fragments of Science for Unscien- 

 tific People" (review), 379 



Freieslebenite, mineral, 541 



Fuchs, C. W. C, on earth-eating 

 people, 127 



Fuel of the sun, 435 



GAHNITE, analysis of, 286 

 Galton, F., on barometrical 

 predictions of weather, 123 

 Galvanometer, new, 430 



— reflecting, adaptation of, 430 

 Gauges, railway, 141 



Gas, crucible furnace, 404 



— exhauster, steam jet, 395 



— regulator, 115 



" General Outline of the Organisation 

 of the Animal Kingdom" (review), 



254 



Geography, physical, 124 



Geological problem, 327 



" Geology," by J. Morris (review), 

 258 



Germs, theory of atmospheric, 153 



Gibbs, W. B., spectrum of aurora, 

 112 



Gumbelite, mineral, 409 



Ginsbury, C. D., " The Moabite 

 Stone, afac simile of the Original 

 Inscription, with an English 

 Translation, and a Historical and 

 Critical Commentary" (review), 



37 1 

 Glass, microscopic, cleaning, 274 

 Glue and tungstic acid, elastic com- 

 pound of, 129 



— which stands moisture, 130 

 Glycerine, boiling of, 406 



— and water, freezing-points of 



mixtures of, 424 

 Greenish, T., microscopic examina- 

 tion of lint, 112 

 Grubb's automatic spectroscope, 270 

 Grubb, Mr., compound prisms, 271 

 Gulf-stream, effects of, 294 

 Gun-cotton, experiments with, 129 

 Guns and armour, 543 



— field, 392 



HAIG, Captain, mounting diatoms, 

 276 



" Handbook of British Fungi " (re- 

 view), 537 



" Handbook of Practical Telegraphy" 

 (review), 533 



Hann, Dr., climate of South America, 

 125 



Haskoll, W. D., " Civil Engineers' 

 and Contractors' Estimate and 

 Price Book" (review), 258 



