566 



INDEX. 



protoxide of platina, 413 ; on the 

 plumbo-sulphate of ammonia, 452. 



Littrow (Prof.), notice of the late, 510. 



Lloyd (Prof. H.) on a remarkable mag- 

 netic disturbance on the 2nd and 4th 

 July 1842, 137. 



Logarithmic and trigonometric tables, 

 &c, noticed, 406. 



London Electrical Society, proceedings 

 of the, 61,310, 404, 484. 



Luminous waves, on the motion of, in an 

 elastic medium, 46. 



Lyell (C.) on the geology of the United 

 States, and on the Stigmaria clay, 

 306 ; on the recession of the falls of 

 the Niagara, 548. 



MacCullagh (J.) on the dynamical theory 

 of crystalline reflexion and refraction, 

 228 ; on the dispersion of the optic 

 axes, and of the axes of elasticity in 

 biaxal crystals, 293 ; on the law of 

 double refraction, 407. 



Magnetic disturbance, notice of a re- 

 markable, 137. 



Magneto-electricity, experiments in, 33. 



Mallet (R.) on the physical properties of 

 alloys of copper with tin and zinc, 66. 



Manzini (M.) on cinchovatina, 323. 



Marchand (M.) on indigotic acid, 450. 



Marianini (Prof.) on the currents pro- 

 duced by the induction of electric cur- 

 rents, 497. 



Marsson (M.) on laurostearine and lau- 

 rostearic acid, 237. 



Meitzendorff (M.) on the sulphocyanu- 

 rets, 280. 



Membranes, false, on the structure of, 

 241. 



Menispermum Cocculus, chemical exa- 

 mination of the fruit of, 161. 



Mercurial compounds, action of chlo- 

 rides on, 320, 492. 



Mercury, on the basic sulphate of, 35 ; 

 on the change of colour in the bini- 

 odide of, 192 ; change of colour of the 

 iodide, 336 ; solubility of salts in per- 

 nitrate of, 237. 



Meteorological observations and table, 

 79, 80 ; 159, 160 ; 239, 240 ; 327,328; 

 415, 416 ; 495, 496. 



Mialhe (M.) on the action of chlorides 

 upon protochloride of mercury, 320, 

 492. 



Miller (Prof. W. H.) on the crystals of 

 the red oxalate of chromium and pot- 

 ash, 201 ; on the optical constants of 

 tourmaline, dioptase, and anatase, 277. 



Millon (M.) on the bichloride of hydro- 

 gen, 320. 



Minerals, analyses of :— chlorite and repi- 

 dolite, 76 ; tachylite, 77 ; of native aiu- 

 minates, 78 ; Greenovite, 246 ; on the 



salt steppe south of Orenburg, 357 ; on 

 phenomena observed on glaciers, 362 ; 

 of the Himalaya mountains, 366 ; ma- 

 rine turtles from the London clay, 370; 

 elevation and denudation of the Lake 

 district, 468 ; bone-bed in the lower 

 lias of Tewkesbury, 540 ; fossil bones 

 on a raised beach near Plymouth, 543 ; 

 production of faults and contortions in 

 strata, 544 ; on plants in the plastic 

 clay of the Hampshire coast, 546 ; on 

 the mouths of Ammonites and on fos- 

 sils from the Oxford clay, ib. ; reces- 

 sion of the Falls of the Niagara, 548 ; 

 geology of the South of Westmoreland, 

 555. 



Molecular action, on the theory of, 124, 

 202, 263, 340, 342, 344, 422, 437. 



Molecules of bodies, agency of caloric in 

 modifying the aggregations of the, 313. 



Molybdate of lead, remarks on the, 73. 



Moon, influence of the, on atmospheric 

 pressure, 227. 



Moore (Dr.) on fossil bones found on a 

 raised beach near Plymouth, 543. 



Mosander (M.) on the new metal didy- 

 mium, 278. 



Moseley (Rev. H.) on conchyliometrv, 

 300. 



Moser (Prof.) on latent light, 348, 409 ; 

 on the recent discoveries of, 462. 



Motion, on fluid, 29 ; of luminous waves 

 in an elastic medium, 46. 



M tiller (M.) observations of Halley's co- 

 met in the years 1835, 1836, 397. 



Murchison (R. I.) on the salt steppe 

 south of Orenburg, and on a remark- 

 able freezing cavern, 357. 



Muscle, on the structure of, 351. 



Nativelle (M.) on the preparation of 

 oxichloric acid, 157. 



Nervous system, on malformations of the, 

 485. 



Newmann's (F. W.) difficulties of ele- 

 mentary geometry, reviewed, 405. 



Niagara, on the recession of the falls of 

 the, 548. 



Nicotin, constitution of, 19. 



Nitrate of soda for constant batteries, 61. 



Nitrates and chlorates, method of distin- 

 guishing between, 74. 



Nitrogen, on compounds of, with boron 

 and silicon, 270. 



Nixon (C.) on the tunnels between Bris- 

 tol and Bath on the Great Western 

 Railway, 401. 



Nuclei of the blood-corpuscles of the 

 vertebrata, observations on the, 107. 



O'Brien (Rev. M.) on the dispersion of 

 light, 342, 344. 



Oils : — of fennel, anise, and star-anise, 15 ; 

 action of chromic acid on volatile, 1 7 ; 



