53t 



I N D E X. 



ing cwbonic acid, 297 ; on the so- 

 lubility of phosphate of liine in 

 water saturated with carbonic acid, 

 •2'JS. 



Lassell (Mr.) ou Le Verrier's planet, 

 1.34. 



Laurent (A.) on mellon and its com- 

 ]3oimds, 218 ; ou the composition 

 of the organic alkalies, 293. 



Lead, on the preparation of the iodide 

 of, 524. 



Lee ( Dr. R.) on the gangha and nerves 

 of the virgin uterus, 127. 



Lefevre (M. B.) on a method of pro- 

 ducing lights and shades in equal 

 perfection in Daguerreotype pic- 

 tures, 21.3. 



Libethenite, analysis of, 69. 



Liebig { Prof.) on some new researches 

 in animal chemistry, 412; on thi- 

 aldine and selenaldine, two new or- 

 ganic bases, 470. 



Light, solar, on Sir David Brewster's 

 new analysis of, 73 ; on the theory 

 of the aberration of, 93 ; on the 

 new analysis of solar, \5'3 ; for op- 

 tical purposes, on the use of a mix- 

 ture of spirit of M'ine and camphine 

 as a, 179; effect of magneto-elec- 

 tric induction upon, 2(i 1 ; on the 

 production of, by heat, 345; po- 

 larized, theory of, on a, 365 ; che- 

 mical action of, 378 ; on the depo- 

 larization of, 469. 



Lightning, on the presence of sulphur 

 in substances struck by, 222. 



Lime, solubility of the carbonate and 

 phosphate of, in water containing 

 carbonic acid, 297 ; on the dehy- 

 dration of the sulphate of, 299. 



Linnaean Society, award ofmedals,l 49. 



Louyet (JI.) on anhydrous hydro- 

 fluoric acid, .382. 



Lubbock (Sir J. W.) on the meteor of 

 September 25, 1846, 4. 



Luminous rays, on a theory of, 365. 



Luminous rings round shadows, ob- 

 servations on, 1.37. 



Machine for calculating the j)rodncts, 

 quotients, log.irithras and powers 

 of numbers, 171. 



Maddrell (R.) on the metaphosphates, 



322. 

 Miidlcr (Prof. ) on the central sun, 140. 



Magnetism, on the effects of, upon the 

 dimensions of iron and steel bars. 



7(), 226 ; on the universality of, 

 319 ; on the conimou nature of, 437, 

 502. 



Magnetometers, on the automatic re- 

 gistration of, 57, 127. 



Magnets, chemical action produced 

 by, 264. 



Majocchi (Prof. G.) on the origin of 

 tbe voltaic cm-rent, 9/. 



Mellon and its compounds, researches 

 on, 218. 



Mercury, on the piu-ification of, 70; 

 on the distillation of, 144 ; on the 

 behaviour of zinc towards solutions 

 of, 290. 



Metaphosphates, on the, 322. 



Metastannates, observations on the, 

 380. 



Meteor of September 25, 1846, ac- 

 coimt of the, 4. 



Meteorological instruments, on the 

 automatic registration of, 57, 127. 



Meteorological observations, 71, 151, 

 223, 303, 383, 529 ; made in Brazil, 

 361. 



Methyle, on the svdphur compounds 

 of, "65. 



Michelsen's (Dr.) historical survey of 

 comets, 210. 



Millon (M.) on the purification of mer- 

 cury, 70 ; on the distillation of 

 mercury, 144 ; on the formation of 

 sulphovinic acid, 211 ; on the de- 

 hydration of sulphate of lime imder 

 various circumstances, 299. 



Mineralogy: — examination of bura- 

 tite, 65; analysis of white diopside, 

 (^S ; native phosjih.atcs of copper, 

 69 ; description of chiolite, 70 ; vil- 

 lemite, 295 ; American columbite, 

 360. 



Morphia, composition of, 293. 



Moseley (Rev. H.) on a machine for 

 calculating the products, quotients, 

 logarithms, and powers of numbers, 



Murchisou (Sir R. L) on the discovery 

 of Silurian rocks in Cornwall, 336. 



Muspratt (Dr. S.) on the salts of sul- 

 phurous acid, 414. 



Neptune, observations relative to the 

 new planet, .3.3, 130, 1.34, 181,241. 



Nicholson (E. C) on the compounds 

 of phosphoric acid with aniline, 

 10. 



Nickles (M.) 011 tlie fermentation of 



