INDEX. 



i75 



Kninh! (T. \.) on shrinking of timber, 

 376 

 Kniirlil (W. P.) on safet)--)amps, 23, 94 

 Lakes. (Jueries on, 425 



Lamps, Ha/'ety. On, 23, 29,57, r. 1 , 90, 

 , 94,132, 138,204,314 



Laplace on pendulums, 256 



Laplace's inbies oj' depressions of barome- 

 ter. On, 31 

 Liitreille's new division of (he earth,340 

 Lead united with copper, 109 

 Learned Sucieties,69, 146,220,293,375, 

 459 

 Leghorn SccielJ/, 147 

 Leslie's frigorific powders, 3) 1, 389 

 Lime, to preserve fit for use, 172 

 Lir/uids. Laws of dilatation of, 329 

 Lislons orgnn. On, 213, 266 

 Lithography. On, 215, 391 

 Loaist of New South Wales, 296, 298 

 Longevity, 513 

 Lorgiiude. On, 314 

 Lussac on Gchlen's eiper. 280; on dila- 

 tation of liquids, 329 

 MacCulloch on cuUure of parsnip, 405 ; 

 of asparagus, 412; on Hypersthene 

 rock, 464 

 Magnesia improves bread, 161, 177 

 Magnetism, terrestrial hist, of, 1,©5,223 

 Manganese united with iron, 166 

 Mangili on the poison of the viper, 429 

 Manna of the locust, 296 

 Marble, to stain red, 390 

 Marcel de Sevres on shell formations,335 

 Marshal on cinnamon tree, 221, 294 

 Medical preT.ium, 88 

 itferif/iQw, mensuration of, 149 

 iWe/fi^s combined with sulphur, 143 

 Melols of the earths, 308 

 Meteorology, 76, 152, 157,234,236, 237, 

 317,368,394,396,469 

 Miner-life-preserver, 384 

 MotliiscoB. Exper. on, 355, 342 

 Money. Decimal scale proposed for, 16 

 Mortar, to keep lime lor, l72 

 Mhtii.m oJ the earth. Effects of, 4,:0 

 Mimntain Barometer, New, 220 

 M'tnnlai'xs. The highest known, 336; 

 queries on, ir422 

 Mummy. An American, 222 

 Murray (Dr.) on safe-lamp, 61 

 Murray (J.) on exper. with blow-pipe, 

 47, 143,292; on safe-lamps, 57,63, 

 104, 138,293; on ventilating mines, 

 63; on metal wires in inflammable 

 media, 120, 143, 292; on sulphuret 

 of carbon, and on flame, 142; on 

 claritving sugar, 154; on improved 

 Nooth'ii apparatus, 450 

 AfoM/«3/ on the folar spots, 182 



Miishel on alloying iron with man- 

 ganese, 16G 

 Musical Intervals. Table of, 360; No- 

 menclature of, 263 

 Narigation, 385 

 Nautical Almanac. Errors in, 305 

 Newman's blow-pipe. Exper. with, 47, 

 143 

 Nooth's apparatus, 450 

 Norwiih steam-boat. Accident to, 500 

 Nulrimerit, Comparative, 313 

 Oil. Constituents of, 3a2 

 Oil ofcimiamon. How made, 221 

 Oil gas for lights, 309 

 Olejianl gas. On, 331 

 Orbicular motion of the earth, 431 

 Oig-a?i, Liston's, 213,266 

 Organic remians. Queries on, 428 

 Ornilholigy, 313 

 Oven, oecononiicai, S54 

 Oxygen combined with azote, 241,330; 

 with phosphorus, 331 

 Parallax, of fixed stars, 146; to clear 

 from, 347 ; the sun's, 393 

 Parsnip. Culture of, 405 

 Pasco silver mines, 228 

 Patents, 75, 156, 235, 316, 395, 467 

 Putet's reply to Horn, ]39 

 Pendulum. Exper. with, 149, 256 

 Perpetual mdtinn, 313, 3S6 

 Petuntze fused, 47 

 Phillips on gravitation, 430 

 Philosophical Society, London, 460 

 Physiology. Vegetable, 125; animal, 339 

 Plains. Queries on, 424 

 Platinum, Fulminating. Toprepare,146 

 Platinum xvi-re. Fjtper. with, 121,143 

 Player's stove, 354, 467 

 Pneumatic provision-safe, 389 

 Polypes. On, 283, 39'i 

 Potassium. Improved process for, 72 

 Primitive formatiims. What ? 333 

 Prize-questions, 226, 379 

 Pumiie-stone, Origin of, 386 

 Pye's chalks and pencils for drawing, 

 419 

 Rain gauges at Edinburgh,'234 ; at Paris, 

 369 

 Raschtd {Al) on sun's parallax, 393 

 Red, uidelible, for marble, 390 

 Refraction. On, 298,347 

 ReJ'ractnry substances. Fusion of, 47, 143 

 liennie on steam -boats, 200 

 Rivert. Queries on, 424 

 Rntk . Queries on, 426 

 Rotatory Motion. To communicate, 449 

 Rotary motion of the earth, 430 

 Royal Academy if Sciences (Froir/i), 



148, 225,329 

 Royal Medical Society, Edinburgh, 460 



