471 



INDEX. 



Davy (Sir II.) on tlio condensation of 

 muriatic acid gas, 415 ; his discourse 

 before the Royal Society, 452 



Declination of fiNed stars, changes in, 

 175 

 Derivative analysis, 244, ?AS 



Diammi'l, experiments on, 131 



J)iv!sibilit!/, infinite, of matter 360 



Dceberriwr's new experiment on plati- 

 num, &c. 2S2, 28(5, 289, 396 

 Dorpat, observatory of, 3H 

 Driinnnoiid on cuh. of cauliflowers, 405 

 J)u Fayc's two electrical fluids, 3 

 Didoiig attd Thcnard on Docbereiner's 

 experiments 282 

 Earth, acid, of Persia, 75 

 Eartliqvakes, 233, 315, 470; nature of 

 their vibrations, 89 

 EdipiC, solar, 150; method of observ- 

 ing, 15 

 Elastic fluids, laws of, 61, 66 

 Electric fluids, two ? 3 

 Electricid plate machine, 8 

 Electricity/, conduction of, delicate me- 

 thod of ascertaining whether a minute 

 body 1ms that property, 20 ; deve- 

 lopment of, by pressure, 204, 263 

 Etectro-Diagiu'tism, 107, 321, 441 

 Engiue-boilers, feeding of, 156 

 Erlun, description of, 241 

 Euchlorine, liquefied, 420 

 Expedition, Polar, return of, 3)2 

 Eiuvia: of bears, 112 

 Faraday on fluid chlorine, 413; on the 

 condensation ofgases into liquids, 416 

 Fascinathm, 237 

 Fat changed in Perkins's engine, 318 

 Fauna, British, 459 

 Felis, American species of, 372; graci- 

 lis, 222 

 Felspar, 314 

 Fluids, elastic, their combination facili- 

 tated by metals, 282 

 Frankiiu^s electric theory 3 

 Fries, on the natural distribution of 

 Fungi " 193, 255 

 Functions, transformation of, 168 

 Fungi, natural distribution of, 1 92, 255 

 Carnet (green) of Sain, 423 

 Gus, ammoniacal, inflammability of, 

 154; muriatic acid, condensation of, 

 415 

 Gases, caloric of, 328 ; condensation of 

 into liquids, 416; inflammable, ab- 

 sorbed by the protoxide and oxidized 

 sulphuret of platinum, 290 : expan- 

 sion of, 470 

 Gay-I.ussac, on volcanos and earth- 

 quakes, 8 1 

 Gerniar, on tlie petrifactions of Oster- 

 weddigen, 367 

 Ol<iss, purple lint of, 317 



Glow-worm, light of, 456 



Gijbers (Dr.) chemical researches, 187 

 Gold, its facilitation of the combination 

 of elastic fluids, 285 



Gold mines in Russia, 394 



Gotnpcrtz, (L.) on defending ships &c. 

 against cannon balls, 407 



Governor, for steam-eiigines, new, 297 

 Graphite, fusion of, 124 



Greenwich mural circle, 183, 292, 255, 

 311,390,454 

 Groombridge's transit circle, 312 



Groups, central and annectent, 255 

 Gunpowder, fired by fulminating mer- 

 cury, 203 

 Harnett on Pythagoras's theorem, 236 

 Hare's blowpipe by alcohol, 9 ; on two 

 electrical fluids, 3 ; electrical plate 

 machine, 8 

 Hawortk {A. H.) on rare succulent 

 plants, 380; on Narcisseae, 440 

 Ilerapath (J.) on elastic fluids, 61,66; on 

 tlie caloric of gases, 328 

 fltTo;)0(/i (Wm.) on cadmium, 166; on 

 Drebereiner's experiments 2S6 

 Hiatus, in nature, MacLeay on, 198 

 Hindostan, trigonometr. survey of, 78 

 Horfleld's (Dr.) Zoological Researches 

 in Java, 221 

 House, removal of one entire, 157 

 Hydrogen, its inflammation by platinum 

 and other metals, 282, 286', 291, 396 

 Jaguar, [Felis Onca, Linn.] 372 

 Ice, blocks of, cause of the light elicited 

 by their shock, 274 

 Jnipeuetrability of matter, 364 

 Ingliiramis lists of the occiiltations of 

 fixed stars (for 1824), 161, 278, 378, 

 450 

 Inflnitc, use of the term, 367 

 Insects and Fungi, natural distribution 

 of, 1 92, 255. I)isects decorticating, 254 

 Jojiling's apparatus for the description 

 of curves, 157, 235 

 Iridium, facilitates the combination of 

 elastic fluids, 282 

 Iron, decomposes ammonia, when heat- 

 ed, 285 ; soft, steel cut by 317 

 Jura, ancient beaches of, 72 

 Kcemtx. on Schweigger's multiplier, 441 

 Keating on cadmia, 115 

 A'irby on Zoological studies 457 

 Kiihloch, cave at, 113 

 Labrador spar, 314 

 I.ambton, Col. 77 

 Laplace on the elastic fluids, 61, 66 

 Lava, in fusion, exhibits no electricity, 

 91; its heat, ibid.; its saline eon- 

 tents, ibid. 

 £(,•(((/, inolybdate of, 187; carburet of, 

 189 

 Lii^ld, initanlancous, 73 



