ssa 



INDEX. 



Leblanc (M. F.) on the identity of 

 metacetonic and butyro-acetic 

 acids, 156. 



Lichens, on the proximate principles 

 of the, 300. 



Liebenerite, analysis of, 544. 



Light, on the production of, by che- 

 mical action, 100 ; on the course 

 of a ray of, from a celestial body 

 to the earth's surface, 168 ; heat, 

 electricity and magnetism, re- 

 searches into the identity of, 172; 

 on the aberration of, 343 ; on the 

 decomposition and dispersion of, 

 within solid and fluid bodies, 401 ; 

 researches on, 501. 



, polarized, oa the phaenomena of 



thin plates of solid and fluid sub- 

 stances exposed to, 181 ; on the 

 influence of magnetism on, 306. 



Lightning, on the proximate cause of, 

 391. 



Lubbock (Sir J. W.) on shooting 

 stars, 81, 170. 



Luminiferous aether, on the constitu- 

 tion of the, 343. 



MacCuJlagh (Prof.), notice of the 

 late, 222. 



Maclaurin's theorem, observations on, 

 98. 



Magnetic disturbance, account of a 

 remarkable, 35. 



Magnetism, electricity, heat and light, 

 researches into the identity of, 172 ; 

 on the supposed influence of, on 

 chemical action, 252 ; on the influ- 

 ence of, on polarized light, 306. 



, terrestrial, researches on, 390. 



Malaguti (M.) on the identity of me- 

 tacetonic and butyro-acetic acids, 

 156. 



Manganese, on the occurrence of a 

 deposit of native carbonate of, in 

 Ireland, 37- 



Marchand (M.) on a reagent for 

 strychnia, 396. 



Marignac (M.) on liebenerite — a 

 new mineral, 544. 



Matteucci (Prof. C.) on the influence 

 of magnetism on polarized light,306. 



Melloni (M.) on the radiations of 

 incandescent bodies, and on the 

 elementary colours of the solar 

 spectrum, 262. 



Metacetonic and butyro-acetic acids, 

 on the identity of, 156. 



Metals, on the existence of several in 

 the human blood, 311. 



Meteorological observations, 79, 130, 

 159, 239,319, 399. 422, 506, 537- 



Millon (M.) on the existence of seve- 

 ral metals in the human blood, 

 and the fixed salt it contains, 310. 



Minerals, on the artificial formation 

 of crystallized, 312. 



Mineralogy : — native carbonate of 

 manganese, 37 ; analysis of phos- 

 phate of iron, manganese and soda, 

 74 ; of columbite, ib. ; uranotan- 

 talite,77; samarskite, ij. ; hydrated 

 silicate of alumina, 149 ; christia- 

 nite, 155 ; liebenerite, 544. 



Mulder (M.) on chrysaramic acid, 

 236. 



Murphy, on certain researches of, 42 1 . 



MtisctB voUtant'is, on the optical phse- 

 nomena, nature and locality of 

 the, 1. 



Napier (Mr. M.), notice of the late, 

 220. 



Nickles (M. J.) on the crystalline 

 form of metallic zinc, 314 ; on the 

 crystallized monohydrate of zinc, 

 315 ; on the hydrate of cadmium, 

 317. 



Nicotina, on the composition and 

 properties of, 158. 



Niepcede Saint- Victor (M.) on some 

 remarkable properties of iodine, 

 phosphorus, nitric acid, &c., 206. 



Nitro-toluylic acid, on the formation 

 and com|)osition of, 15. 



Nitromaric acid, on the composition 

 of, 543. 



Noad (H. M.) on the action of nitric 

 acid on cymol, 15. 



Norton (W. A.) on terrestrial mag- 

 netism, 390. 



Orsellic acid, 301. 



Oxygen, on the heat disengaged du- 

 ring the combination of bodies with, 

 321, 426. 



Parhelia, description of some, with 

 remarks on the phcenomena, 434. 



Pentathionic acid, 75. 



Phenylie acid, 151. 



Phosphorus, researches on, 153; on 

 some remarkable properties of, 

 206. 



Photographic phsenoraena, observa- 

 tions on some, 199, 206, 213, 215. 



Photography, observations on, 88. 



