INDEX. 



475 



Equaluins, functional, 102 



Faradity, (M. ) on new compounds of 

 carbon and hydrogen, &c., 73, 180; 

 electro-dynamic experiment, 3(59 

 Farey, (J.) on hazel nuts found in 

 peat bogs, 314 



Filtering apparatus, Donovan's, 76 



Fired stars, declination of, 33 



FormulcB, demonstration of, 115, 273 

 Fossils, works on, 296, 301 



Fraunhnfer, (M.) on a large' refracting 

 telescope, 41 



Frick's imitations of silver, 73 



Fulminating powder, on, 197 



Galbrailh, (W.) on the velocity of 

 sound, 109 



Gas, oil and coal, comparative advan- 

 tages of, _ 203, 206 

 Gases, condensation and dilatation of, 3 

 Gay-Lussac, (I\r.) on air, 6, 110 

 Gylogy, 296, 301, 394, 439, 462 

 Giseke, (Prof.) on tests for arsenic, 252 

 Gizzard of the mole-cricket, 414 

 Glass, Roman, ancient, 121 

 Gniclin, analyses of minerals, 222 

 G<>Wj/ig/ia»i'5 acoustic experiments, 113 

 Granville's (Dr.) dissection of a 

 mummy, 70 

 Graphite, 290 

 Greenu'ichobservations, Bessel on, 33,292 

 Gryllotalpa, anatomy of, 401 

 Hare, (Dr. R.) on plumbago, anthra- 

 cite, and fused carbon, 455 

 Harvey, (G.) on arctic fogs, 315 

 Haworth, (A. H.) on the genus Sedum, 

 172 ; on succulent plants, 27,279 

 Hazel-nuts, under ground, 225, 314 

 Heat, disposition of in t e atmosphere, 

 80, 109, 241 

 Helvin, analysis of, 223 

 Henderson, (T.) his formula for longi- 

 tude, 49; on finding the latitude, 

 283, 344 

 Herapath, (J.) on the binomial theo- 

 rem, 50, 116, 126, 179,273, :i54 ; 

 functional equations, 102 

 Herschel, (J. F. W.) on magnetism by ro- 

 tation, 97; on differential formulae, 

 119 

 Horsfield's Zoological Researches in Java, 

 51, 126 

 Hydrogen, bicarburet of, 74, 182 

 Hydrogen and carbon, new comjiounds 

 of, 73, 180 

 Icones Fossilium Sectiles, 301 

 Iodine, in minerals, 269 

 Iodine-starch, a test for arsenic, 255 

 Iron, meteoric, 152 

 Iron, solution of in acids, 290 

 Ivar'i, (J.) on the condensation and 

 dilatation of air, and the velocity of 

 sound, 3; on the atmosphere, 81, 



241 ; on the density and pressure in 



the interior parts of the earth, 331 ; 



on the figure of the planets, 429 



Java, zoology of, .5 ] ^ j 26 



Karsten, (M.) on the solution of steel 



and iron in acids, 290 



Kidd, (Dr.) on the mole-cricket, 401 

 Lajilace, on the earth and planets, 329, 

 430, 468 

 Latitudes, determination of, 211, 251, 

 283, 344, 390, 458 

 Latrobite, analysis of, 223 



Laugier, (M.) on platina, 285 



Lead, seleniuret of, 220 



Leander, on measuring an inacessible 



line, 272, 392 



LqMolite, analysis of, 223 



Leslie, on atmospheric heat, 86 ; pho- 

 tometer, 207, 332 

 Lime-water, a test for arsenic, 252 

 Longitude in time, on estimating, 48 

 MacLeay's principles of natural arrange- 



»i«»^ 56, 126 



Magnetism developed by rotation, 93, 95; 



experiments on, 97, 93, 99 



Mars, opposition of, 455 



Marsh, (ftlr.) on magnetism, 99 



MScanigue Celeste, 327, 430, 468 



Meteoric iron, 359 



Meteorites, 152 



Meteorology, 80, 160, 240, 320, 400 

 Mexican mines, 227 



Mineral, new, 224 



Mines, school of, 147; records of, 215; 



Mexican, 227 



Mole-cricket, anatomy of, 401 



Mummy, dissected, 70 



New Books, 51, 126, 213, 296, 459 

 Newton's (I.) cross for surveying, 272, 



392; problem in trigonometry, 391 

 Northern expedition, S09; overland, 311 

 Oil, products from the decomposition 



of, 73, 180 



Oil-gas, 74, 180,203; how excluded 



from London, 207 



Olivine, examination of, 224 



Onions, decoction of, affinity for tests of 



arsenic 258 



Ores, recent formation of, 153, 395 



Ornithology, M, 126, 31 S 



Orthite, new variety of, 224 



Parry, ( Capt. ) return of, 309 



Vastorff, on solar spots and clouds, 154 



Patents, list of, 78, 159, 239, 319, 399, 



472 



Pendulum, seconds, length of in various 



places, 313, 322, 398 



Percussion guns, 197 



Peridot, composition of, 357 



Photometers, 207, 332 



Phytology, antediluvian, Artis's, 296 



Piazzi's Catalogue of stars, errors in, 261 



