1871J 



INDEX. 



569 



MAGNET, deposition of iron on 

 poles of a, 122 



— electro, 560 

 Magnetic disturbances, 116 



— spectra, projection of on a screen, 



560 



fixing, 428, 431 



Magnetism, action of on electrified 



gases, 557 

 Magneto-electric clock, 428 



counter, 429 



machine, 427, 556 



Malting, experiments on, 406 

 Manganese, alloys of, 405 



— in vegetable kingdom, 401 



" Manufacture of Russian Sheet-Iron" 



(review), 530 

 Marble, imparting yellowish hue to, 



405 



Marine engineering, 393 



Markham, C. B., "Memoir on Indian 



Surveys " (review), 368 

 Martin, J., " Microscopic Objects 



Figured and Described" (review), 



259 



Measuring machine, Whitworth's, 563 



Meat, preserving, 547 



" Memoir on Indian Surveys " (re- 

 view), 368 



Mene, M., manufacture of paper from 

 wood, 129 



Mercury, distinguishing from arsenic, 

 407 



Mesopotamia, climate of, 284 



Metallic spectra, 1, 59 



Metals, origin of native, 542 



— smelted in 1869, 137 

 Metalliferous deposits, 3go 

 " Metallurgy," Percy's, 138 

 Metcalf, G, lead smelting furnace, 



138 

 " Meteoric Theory of Saturn's Rings " 



(review), 380 

 Meteorite, analysis of, 287 

 Meteorology, progress in, 281 

 Microscope, erecting binocular, 113 

 Microscopic crystals, 235 

 unusual form of, 275 



— glass, cleaning, 274 



— high power definition, 113 



— objective, |th, 417 



— objects, delineation of, 418 



" Microscopic Objects Figured and 



Described" (review), 259 



photographing, 274 



Microscopical illumination, lime light 



for, 553 

 Microscopy, 112, 272 

 Miller, W. A., " Introduction to the 



Study of Inorganic Chemistry" 



(review), 262 



Mineral statistics, 135 

 Minerals, analysing, 127 



— new, 132, 409 



Mineralogy and chemistry, relation 



between, 286 

 Miners' Association of Cornwall, 390 



— health and longevity of, 539 



— scientific education of, 136 

 Mining in the United States, 389 

 ■ — schools, 136 



Mint, English, metallurgical opera- 

 tions at, 138 



Mitrailleurs, trials of, 292 



" Moabite Stone ; A Facsimile of the 

 Original Inscription, with an 

 English Translation" (review), 



37 1 

 Mohn, Professor, science of weather, 



125 

 Molecules, ultimates, atoms, and 



waves, 170, 349, 461 

 Money, science of, 315 

 Monzonite, mineral, 543 

 Mortar, selenitic, 545 

 Morris, J., " Geology " (review), 258 

 Mottershead and Co., automatic 



gas regulator, 115 

 Mounting microscopic objects, 112 

 Museum of Practical Geology, removal 



of, 390 



" TSJATURAL History of Com- 

 -LM merce " (review), 374 



Naylor, W., railway brake, 293 



Nephrite, or jade, 543 



Nettleton, Mr., substitution of alu- 

 minium for platinum in batteries, 

 115 



New South Wales, diamonds in, 131, 

 287 



Nicholson, H. A., " An Introductory 

 Text-Book of Zoology for the 

 Use of Junior Classes" (review), 

 370 



— "A Manual of Zoology for the Use 



of Students " (review), 254 

 Nitro-glycerine, explosion of, 406 



— properties of, 549 



" Notes on the Natural History of 

 the Strait of Magellan" (review), 

 255 



OBJECT glasses and their defini- 

 nition, 277 

 Oliver, Lieutenant, on British ser- 

 vice ordnance, 1870, 1871, 364 

 Ordnance, British service, 1870, 1871, 



364 



— marine, heavy, 392 

 O'Reileyite, new mineral, 286 

 Organic matter in water, 127 



