550 



INDEX. 



Meteor of September 25, 1846, notice re- 

 specting the, 368. 



Meteors, observations on, 219. 



Meteorological observations, 79, 159, 239, 

 319, 399, 545 ; on a new kite-apparatus 

 for, 191. 



Meteorology, suggestions for promoting 

 the science of, 238. 



Methylene, on the hydrocyanate of, 544. 



Miller (Prof. W. H.) on the measurement 

 of the double sulphates of zinc and 

 soda, and of magnesia and soda, 540, 



Mineral waters, analyses of, 56, 124 ; on 

 the presence of arsenic, copper and tin 

 in some, 392. 



Minerals : —ferruginous pyroxene, 78 ; mo- 

 lybdate of lead, 253 ; gray copper from 

 Algeria, 313 ; kupfernickel, 314 ; vana- 

 diate of lead and copper, 319 ; sulphato . 

 chloride of copper, 537; native car- 

 bonate of nickel, 541 ; needle ore of 

 bismuth, ib. 



Minerals, on the artificial production of, 

 311 ; on the existence of crystals in the 

 cavities of, 497. 



Molybdate of lead, analysis of, 253. 



Moon, on inequalities in the motion of 

 the, 382. 



Muscles, on the function of the intercostal, 

 222. 



Neptune, on the elements of, 380. 



Nervous system, on the effects of certain 

 physical and chemical reagents on the, 

 72. 



Nicholson (E. C.) on the composition of 

 caffeine and some of its compounds, 115. 



Nickel, on the native carbonate of, 541. 



Nitric acid, theoretical views on the na- 

 ture of, 7 ; on the hydrates of, 454. 



Nitrococcusic acid, on the preparation and 

 composition of, 486, 



Nitrogen, on some modifications of the 

 apparatus for determining, 156, 393. 



Numbers, on certain properties of prime, 

 70; account of a discovery in the theory 

 of, 189 ; on an equation in, 293 ; on the 

 partitions of, 301. 



O'Brien (Rev. M.) on a new notation for 

 expressing various conditions and equa- 

 tions in geometry, mechanics and astro- 

 nomy, 134 ; on a system of symbolical 

 geometry and mechanics, 139 ; on the 

 symbolical equation of vibratory motion 

 of an elastic medium, whether crytal- 

 lized or uncrystallized, 376. 



Odmyle, on the sulphuret of, 170. 



Oils, fixed, on certain products of the de- 

 composition of, in contact with sulphur, 

 161, 



Optical instruments, on the formation and 

 application of fine metallic wires to, 53 1 . 



Orange-tree, analysis of the ashes of the, 

 271. ^ 



Osraiamic acid and osmiamates, on the 

 preparation and properties of, 534. 



Oxalic acid, formation of, 233. 



Ozone, on a new test for, 176. 



Papyrine, on the preparation and compo- 

 sition of, 398. 



Pectic acid, 389. 



Peligot (M. E.) on the preparation and 

 composition of the salts of antimony, 

 230. 



Phosphoric acid, anhydrous, action of, on 

 ammoniacal salts, 544. 



Pierre (M. I.) on chlorosulphuret of sili- 

 cum, 78 ; on the equivalent of titanium, 

 155; on the solubility of chloride of 

 silver in hydrochloric acid, 398, 



Planets, on the perturbations of, 1,86; 

 on the opinion of Copernicus with re- 

 spect to the light of the, 528. 



Platinum, on the fusion of large masses 

 of, 356. 



Playfair (L.) on transformations produced 

 by catalytic bodies, 193. 



Pollock (Sir F.) on certain properties of 

 prime numbers, 70. 



Pottery, on the chemical composition of 

 the substances employed in, 435. 



Poumarede (M.) on the preparation and 

 properties of lignine, 397. 



Printing-machine, invention and first in- 

 troduction of, by Kceuig, 297, 



Prus«ic acid, on a new test for, 146. 



Pyroxene, ferruginous, analysis of, 78. 



Pyroxyline, contributions to the chemical 

 history of, 7, 152, 519. 



Quaternions, on, 214, 278, 511. 



Reviews : — Grove's Correlation of Physi- 

 cal Forces, 67 ; Forster on Meteors, 219. 



Rhodium, on the fusion of, 147, 365. 



Richardson (T.) on the ashes of rough 

 brown sugar and molasses, 336. 



Ronalds (Mr.) on a new kite-apparatus 

 for meteorological observations or other 

 purposes, 191. 



Roth (M.) on the preparation of the prot- 

 oxide of tin, 392. 



Rowney (T. H.) on the ashes of the orange- 

 tree, 271. 



Royal Society, proceedings of the, 69, 222, 

 372, 



Royal Astronomical Society, proceedings 

 of the, 143, 380, 528, 



Sabine (Lieut.-Col. E.) on the diurnal 

 variation of the magnetic declination 

 of St. Helena, 70. 



Salt, culinary, on the solubiUty of, in 

 alcohol, 393. 



Salts, ammoniacal, action of anhydrous 

 phosphoric acid on, 544. 



