550 



INDEX. 



Heat, light, electricity and magnet- 

 ism, on the identity of, 127. 



, atmospheric, on the polariza- 

 tion of, 108. 



Helvine, notice respecting, 141. 



Hennessy (II.) on the stability of the 

 earth's axis of rotation, 386. 



Herapath (W.) on early Egyptian 

 chemistry, 528. 



Herapath (W. B.) on the optical pro- 

 perties of a newly-discovered salt 

 of quinine, 161. 



Hittorf (M.) on the allotrophy of se- 

 lenium, 546. 



Homogeneous functions and their 

 index symbol, on, 129. 



Hunt's (R.) Elementary Physics, no- 

 ticed, 57. 



Hunt (T. S.) on the compound am- 

 monias, and the bodies of the ca- 

 codyle series, 392. 



Hydriodic and hydrobromic acids, on 

 the preparation of, by the galvanic 

 method, 317. 



Hydrogen, observations on M. Gil- 

 lard's light for illumination obtained 

 from the burning of, 152. 



Iris, on the motions of the, 390. 



Iron, meteoric, on the passive state 

 of, 477. 



Jerrard (G. B.) on the resolution of 

 equations of the fifth degree, 112; 

 on the possibility of solving equa- 

 tions of any degree however ele- 

 vated, 457. 



Jones (Dr. H.) on the structure of the 

 liver, 381. 



Jones (T. W.) on the rythmical con- 

 tractility of the veins of the bat's 

 wing, 383. 



Joule (J. P.), account of experiments 

 with a powerful electro-magnet, 32; 

 on the heat disengaged in chemical 

 combinations, 481. 



Kemp (Dr.) on a new method of ob- 

 taining motive power by means of 

 electro-magnetism, 501. 



Kirkman (Rev. T. P.) on the puzzle 

 of the fifteen young ladies, 526. 



Kohlrausch (Dr.) on the electroscopic 

 properties of the voltaic circuit, 321. 



Kopp (II.) on the expansion of some 

 solid bodies by heat, 268. 



Lamont (Dr.) on the ten-year period 

 which exhibits itself in the diurnal 

 motion of the magnetic needle, 428. 



Light, on the cause of the aberration 

 of, 53. 



and heat, on theanalogiesof,495. 



, heat, electricity and magnetism, 



on the identity of, 127. 



, polarized, on the composition 



and resolution of streams of, from 

 different sources, 316; on vibra- 

 tions in a ray of, 385. 



Liver, on the structure of the, 381. 



Lyell (Sir C.) on the Blackheath 

 pebble-bed, and on certain pliaeiio- 

 mena in the geology of the neigh- 

 bourhood of London, 473. 



Madder, on the colouring matters of, 

 213. 



Magnetic force, on the distribution of 

 the lines of, 67, 309 ; on the phy- 

 sical character of the lines of, 401 . 



needle, on the ten-year period 



which exhibits itself in the diurnal 

 motion of the, 428. 



Magnetism, on the heating effects of, 

 311 ; on the identity of electricity, 

 heat, and light with, 127. 



Magnus (Prof.) on thermo-electric 

 currents, 81. 



Manganese, detection of, in limestone 

 rocks, 144. 



Manross (N. S.) on the artificial pro- 

 duction of crystallized tungstate of 

 lime, 397. 



Martin (A. G. C.) on the amylum 

 grains of the potato, 277- 



Martin (P. J.) on a remarkable meteo- 

 rological phenomenon, 547. 



Matter, on the molecular constitution 

 of, 43. 



Meteoric iron, on the passive state of, 

 477. 



Meteorological observations, 79, 159, 

 239, 319, 399, 479, 547. 



Miller (Prof.) on a new locality of 

 phenakite, 378. 



Mineralogical notices, 141, 235, 378. 



Minerals, on the artificial formation 

 of several, 235. 



Miner's safety lamp, notice of an im- 

 proved, 238. 



Morgan (Prof.de) on the authorship of 

 the Account of the Commercium 

 Epistolicum, 440. 



Multiplicity, on a new theory of, 460. 



Museum of Practical Geology, lec- 

 tures delivered at the, noticed, 61, 

 227. 



