558 



INDEX. 



Kopp (Prof.) on the boiling-points of 

 corresponding chlorine and bro- 

 mine compounds, VJi). 



Kraut (M.) on the changes which 

 toluylic acid undergoes in the sy- 

 stem, 193. 



Lallemand (M.) on some new deriva- 

 tives from thy mole, 534. 



Laumonitc, analysis of, 552. 



Leucine, on the occurrence of, in the 

 thymoid gland, 67. 



Liebig (Prof.) on a new method of 

 silvering glass, 58. 



Light, on the demonstration of Fres- 

 nel*s formulae for reflected and re- 

 fracted, 1, 104, 266 ; on the trans- 

 mutation of rays of, 521 . 



Limpricht (Dr.) on thioformic and 

 anisoinic acids, 56; onanewmethod 

 for the formation of aldehydes, 57 ; 

 on some compounds of salicyhc acid, 

 1 92; on the actionof chloride of ben- 

 zoyle on aldehyde-ammonia, 303. 



Liquid, on the constitution of jets of, 

 issuing from circular orifices, 286. 



Lithia, on the phosphate of, 190. 



Lithium, on the specific heat and 

 atomic weight of, 502. 



Logarithms, on the theory of, 354. 



Lophine and salts, on the constitution 

 of, 55. 



M'Rea (W. C.) on the measurement 

 of the speed of a railway train, 486. 



Magnetic disturbances, on periodical 

 laws discoverable in the meanefi'ects 

 of the larger, 231. 



Magnetism, on the optical properties 

 of transparent bodies submitted to 

 the action of, 483. 



Magnus (Prof.) on electrolysis, 157 ; 

 on the allotropic conditions of sul- 

 phur, 526. 



Mallet (Dr. J. W.) on a zeolitic mine- 

 ral from the isle of Skye, 406, 552. 



Manganese, on a compound of sesqui- 

 oxide of, with sulphuric acid, 58. 



Mannite, on some new compounds of, 

 535. 



Marett (C.) on the causes of the in- 

 tervals between high-water and 

 slack-water, 184. 



Martin (P. J.) on the anticlinal line 

 of the London and Hampshire 

 basins, 447. 



Masonry, on the mathematical theory 

 of the stability of, 468. 



Matthiessen (Dr. A.) on the electric 

 conducting power of the alkaline 

 metals, 199. 

 Maxwell (Mr.) on Faraday's lines of 

 force, 316 ; on the elementary 

 theory of optical instruments, 402. 

 Mayer (M.) on the phosphate of 



lithia, 190, 

 Mercurial interniptor, description of 



the, 403. 

 Mercury, on the presence of, in the 

 native argentiferous copper of Lake 

 Superior, 238. 

 Metals, on the electro-dynamic pro- 

 perties of, 393. 

 Meteorological observations, 79, 159, 



239, 327, 407, 487. 

 Miller (Prof. W. II.) on the form of 

 an alloy of bismuth, 48; on the 

 construction of the Imperial stand- 

 ard pound, 540. 

 Mineral waters, detection of organic 



acids in, 538. 

 Mohr (M.) on a new method of esti- 

 mating chlorides, 57. 

 Moon, on the mountains of the, 475. 

 Moore (J. C.) on the Silurian rocks 



of Wigtonshire, 68. 

 Naphthalamine, on some of the meta- 

 morphoses of, 226. 

 Natanson (M.) on the artificial pro- 

 duction of urea, 194; on acetyl- 

 amine, 195. 

 Nickel, on the specific heat of, 496. 

 Nitrification, remarks on, 457- 

 Optical instruments, on the element- 

 ary theoiy of, 402. 

 Orthoceras, description of a new, 72. 

 Osmium, on the specific heat and 



atomic weight of, 493. 

 Owen (Prof.) on the Stereognathus 



ooliticus, 482. 

 Oxy chlorides, on the, 188. 

 Ozone, on the employment of iodide 

 of potassium as a reagent for, 237; 

 observations on, 324. 

 Parallel lines, on the doctrine of, 220, 



283, 371, 375, 452. 

 Pendulum experiments, account of 



some, 467. 

 Perkin (Mr.) on the metamorphoses of 



naphthalamine, 226, 

 Phaseomannite, on the preparation 



and constitution of, 304. 

 Phillips (Prof. J.) on a drawing of the 

 lunar spot Copernicus, 474. 



