474 



INDEX. 



1 03 ; on the least electromotive 

 force by which a galvanic luminous 

 arc can be produced, 441. 



Electrical currents, on the passage of, 

 through incandescent gases, 319. 



Electric-current-accumulator, on a 

 uniform, 62. 



light, investigation of the, 103. 



machines founded on induction 



and convection, on, 66. 



spark, on an apparatus for pro- 

 ving that the, does not pass through 

 an absolute vacuum, 404. 



Electricity, on the humming sound 

 produced on mountains by, 123. 



Electrolytic investigations, 289. 



Electrophorus, on Varley's reciprocal, 

 287. 



Electrostatics, on the application of 

 Ohm's law to problems of, 325. 



Equation, on the integration of the 

 general linear partial differential, of 

 the second order, 118, 219. 



Ethylene, on the direct transformation 

 of chloriodide of, into glycol, 282. 



Eudiometer, on a new form of, 59. 



Favre (P. A.) on electrolysis, 289. 



Fizeau (M.)on the expansion of bodies 

 by heat, 456. 



Flame, on volta-convection by, 64. 



Forbes (D.), researches in British mi- 

 neralogy, 171. 



Friedel (M.) on oxychloride of silicon, 

 451. 



Gases, on the dynamical theory of, 

 129, 185 ; on the velocity of the 

 propagation of waves in, 161 ; on 

 the passage of electrical currents 

 through incandescent, 319; on the 

 internal work of, 470. 



Geological Society, proceedings of the, 

 153, 314, 398. 



Gersdorffite, on the occurrence and 

 analysis of, 181. 



Gill (J.) on the dynamical theory of 

 heat, 439. 



Glacial and Upper Miocene period, on 

 the probable date of the, 363. 



Glass, on silvering, 146. 



Glycol, on the direct transformation 

 of chloriodide of ethylene into, 282. 



Gondolo (M.) on Boussingault's me- 

 thod of preparing oxygen, 455. 



Governors, on the dynamical theory 

 of, 385. 



Grove (W. R.) on an experiment in 



magneto- electric induction, 184, 

 360. 



Grove's battery, observations on, 448. 



Guthrie (Prof. F.) on the conduction 

 of heat by liquids, 283 ; on a new 

 form of voltameter and voltastat, 334. 



Haagen (Dr.) on the refractive indices 

 of some haloid compounds, 457. 



Haloid compounds, on the refractive 

 indices of some, 457. 



Harmotome, on the dispersion of the 

 optic axes in, 461. 



Heat, experiments upon the conduc- 

 tion of, by liquids, 283 ; on the 

 second fundamental theorem of the 

 mechanical theory of, 405 ; on the 

 dynamical theory of, 439; on the 

 expansion of bodies by, 456. 



Hockin (C.) on an apparatus for show- 

 ing the identity of the conducting- 

 power of metals for heat and elec- 

 tricity, 299. 



How (Prof.) on the mineralogy of 

 Nova Scotia, 32,218. 



Huggins (W.) on a hand spectrum- 

 telescope, 239. 



Induction-currents, on the dialvsis of, 

 158, 322; on the duration of, 318. 



Inductive circuits, researches on, 325. 



Iron, on the permeability of cast, by 

 the gases of combustion, 243; on 

 the specific magnetism of, 384. 



Kundt (A.) on some acoustic experi- 

 ments, 41. 



Ladenburg (M.) on oxychloride of 

 silicon, 451. 



Lecture- experiments, on certain, 48. 



Liebig (J. v.) on silvering glass, 146. 



Light, on the synthesis of white, from 

 the colours of the spectrum, 261 ; 

 on the alteration produced by heat 

 in the velocity of the propagation 

 of, in water, 262, 336. 



, electric, investigation of the,103. 



Liquids, on certain thermomolecular 

 relations of, and their saturated va- 

 pours, 81 ; on the conduction of 

 heat by, 283. 



Longridge (J. A.) on the resistance of 

 the air to rifled projectiles, 304. 



Luminous arc, on the least electro- 

 motive force by which a galvanic, 

 can be produced, 44 1 . 



Magnetism of iron, on the specific, 384. 



Magneto-electric induction, on an ex- 

 periment in, 181, 360. 



