566 



INDEX. 



Hyposulpliuric acid, on a new method 

 of preparing, 189. 



Ice, on the density of, 167. 



Induced current, on some properties 

 of the, 249. 



Iodic acid, on the volumetric deter- 

 mination of, 188. 



Iodine vapour, on the abnormal dis- 

 persion of, 245. 



Iron, on the estimation of carbon and 

 nitrogen in, 522. 



Jerrard (G. B.) on quintics, 193,45/. 



Joule (J. P.) on the history of the 

 dynamical theory of heat, 121. 



Jukes (Prof. J. B.) on the mode of 

 formation of some of the river- 

 valleys in the south of Ireland, 

 323. 



Kobell (Prof, von) on asterisni and 

 Brewster's luminous figures, 497. 



Kuhlmann (M.) on salts of thallium, 

 525. 



Lamont (Prof.) on Dalton's theory of 

 vapour, 350. 



Lamy (M.) on the new metal thallium, 

 185. 



Laplace's functions, on a geometrical 

 proof of the fundamental principle 

 of, 504. 



Leroux (F.-P.)onthe refractive indices 

 of bodies which only assume the 

 gaseous condition at high tempe- 

 ratures, 245. 



Leucaniline, 553. 



Levyne, on the artificial production 

 of, 26. 



Lieben (M.) on some new ethers, 305. 



Liebig (J.) on the preparation of the 

 iodide of lithium, 29. 



Light, on the explanation of phe- 

 nomena of, on the hypothesis of 

 undulations, 462 ; reflected from a 

 pile of plates, on the intensity of 

 the, 480 -, on the modifications 

 which the velocity of, experiences 

 under the influence of heat, 492. 

 , electric, on a mode of apply- 

 ing the, for mining purposes, 408. 

 Linnemann, on the conversion of 



sugar into mannite, 307. 

 Lithium, on the atomic weight of, 26 ; 

 on the preparation of the iodide of, 

 29. 

 Logeman (Prof. W. M.) on Amperian 



repulsion, 126. 

 Lossen (M.) on cocaine, 25. 



Magnesia, on the action of nitric acid 



upon the pyrophosphate of, 380. 

 Magnetic declination, on the diurnal 

 variation of, 67. 



disturbance of 1859, on the, 315. 



observations, on some, 542. 



Magnetism, terrestrial, on the cosmi- 

 cal features of, 97. 



Magnetizing steel needles by the cur- 

 rent of a Leyden jar, on, 494. 



Mallet (Dr. J. W.) on the transit- 

 velocity of earthquake-waves, 229. 



Manganese, on the reduction of, 328. 



Mannite, on the conversion of sugar 

 into, 307. 



Matter, on the internal work of a 

 mass of, 81, 201. 



Matteucci (Prof. C.) on certain electro- 

 physiological phenomena, 311. 



Matthiessen (Dr. A.) on the influence 

 of traces of foreign metals on the 

 electric conducting power of mer- 

 cury, 30 ; on the lead-zinc and 

 bismuth-zinc alloys, 317; on some 

 gold-tin alloys, 320 ; on the influ- 

 ence of temperature on the electric 

 conducting power of the metals, 

 405. 



Mayer (J. R.) on the forces of in- 

 organic nature, 371. 



Mendius (M.) on the nitriles, 189. 



Metal, on a new, 168. 



Metals, on the influence of tempera- 

 ture on the electric conducting 

 power of the, 405. 



Meteorites, observations on some, 

 534. 



Milk-sugar, on a new acid from, 529. 



Miller (Prof.) on the crystalline form 

 of a gold- tin alloy, 321. 



Mitscherlich (M.) on spectrum analy- 

 sis, 519. 



Moon, on the changes in the apparent 

 size of the, 326, 390. 



Nebulae, observations on the, 237. 



Nerve force, observations on, 11. 



Nerves, on the secondary electro- 

 motor power of, 311. 



Nitriles, on some transformations of 

 the, 189. 



Nitrite of ammonia, on the formation 

 of, from atmospheric air, 520. 



Nitrogen, on the determination of, in 

 iron, 523. 



(Enanthole, on some metamorphoses 

 of, 385. ' 



