534 



INDEX. 



tegration of linear partial differen- 

 tial equations, 47. 



Electric convection, on the electro- 

 magnetic action of, 233. 



sparks, on some phenomena of 



induced, 191. 



waves, on a method of measur- 

 ing- the contour of, passing through 

 telegraph lines, 321. 



Electrical machine, on a small, 103. 



Electricity, on some problems con- 

 nected with the flow of, in a plane, 

 37 ; on a model illustrating mecha- 

 nically the passage of, through 

 metals &c. according to Maxwell's 

 theory, 353 ; disengaged between 

 mercury surfaces, on, 481. 



and light, on a new relation 



between, 203, 373. 



Electro-magnetic rotation, experi- 

 ments on, 389. 



Elementary bodies, on the compound 

 nature of the line spectra of, 229. 



Enstatite, on certain large crystals of, 

 379. 



Equations, on the finite integration 

 of linear partial differential, 47. 



Euchlorite, characters of, 319. 



Extra- current, on the, 135. 



Favre (Prof. A.) on the old glaciers 

 of the northern slope of the Swiss 

 Alps, 71. 



Flames, on the photometry of co- 

 loured, 317. 



Fluids, on the resistance of, 430. 



Force, on the conservation of, 114. 



Forel (Prof.) on the " Seiches " of 

 the Swiss lakes, 447. 



Fuller (G.) on a small electrical ma- 

 chine, 108. 



Gallium, on the physical properties 

 of, 398 ; on a new process for the 

 preparation of, 479. 



Galvanometer deflection, on bi- and 

 unilateral, 401. 



Gas, on the ratio of the two specific 

 heats of a, 478. 



Gases, on the specific heats of, 81 ; 

 on the penetration of platinum by 

 electrolytic, 153. 



Geissler tubes, on some remarkable 

 phenomena in, 550. 



Genth (Dr. F. A.) on Roscoelite, 

 156. 



Geological Society, Proceedings of 

 the, 71, 152, 315, 394, 408, 545. 



Gorm-theory of disease, on the, 68. 



Gernez (B.) oa the determination of 

 the solidifying temperature of 

 liquids, and in particular of sul- 

 phur, 79. 



Glaisher (J. TV. L.) on a multiple 

 differentiation of a certain expres- 

 sion, 208, 522. 



Goniometer, on a new form of the re- 

 flective, 281. 



Gordon (J. E. II.) on a new relation 

 between electricity and light, 203. 



Gouy (M.) on the photometry of co- 

 loured flames, 317. 



Gravity, on the transformation of. 



241 : 



Guthrie (F) on salt-solutions and 

 attached water, 211. 



Ilagen (M.) on the uniform motion 

 of water both in small canals and 

 trenches and in streams and rivers, 

 239. 



Harmer (F. TV.) on the geology of 

 East Anglia, 546. 



Harrogate Old Sulphur Well, on the 

 history of the, 50. 



Heat, on the nature of, 110 ; on the 

 mechanical theory of, 254. 



■ spectra, observations on, 158. 



Heaviside (O.) on the extra current, 

 135. 



Hell and (M. A.) on the ice-fjords of 

 North Greenland, 315. 



Helmholtz (Dr.) on the penetration 

 of platinum by electrolytic gases, 

 153 ; on the electro-magnetic 

 action of electric convection, 233. 



Helmholtz 's theory of the conserva- 

 tion of force, observations on, 

 114. 



Heycock (C. T.) on the spectra of in- 

 dium, 387. 



Hopkinson (Dr. J.) on the residual 

 charge of the Leyd en jar, 314. 



Huggins (Dr. W.) on the displace- 

 ment of the stellar lines, 72. 



Humite, on the three types of, 286. 



Hydrodynamics, notes on, 441. 



Indium, on the spectra of, 387. 



Iodine monochloride, on the absorp- 

 tion-spectrum of, 467. 



Isomerism, on, 161. 



Jamin (J.) on the internal constitu- 

 tion of magnets, 74. 



Jeannel (J.) on the influence of sono- 

 rous vibrations on the radiometer. 

 320. 



Keatingine, characters of, 319. 



