470 



INDEX. 



Flames, observations on manometric, 

 1, 105; new experiments on sing- 

 ing, 397. 



Fluorescence, experiments on, 57. 



Fractional distillation, on a theory 

 of, 129, 273. 



Galvanic coil, on the attraction of a, 

 on a small magnetic mass, 218. 



induction, researches on, 283. 



Galvanometers, on an advantageous 

 method of using differential, for 

 measuring small resistances, 245; 

 on a simple device for projecting 

 on a screen the deflections of the 

 needles of, 260; on differential, 

 263 ; on the conditions requisite for 

 the maximum of resistance of, 317. 



Gaseous pressure, on the law of, 100, 

 438. 



Gases, on the actions of electric dis- 

 charges upon, 154. 



Geological Society, proceedings of the, 

 148,231,311/391,460. 



Glaisher (J. W. L.) on arithmetical 

 irrationality, 191; on early loga- 

 rithmic tables and their calculators, 

 376. 



Glashan (J. C.) on fractional distilla- 

 tion, 273. 



Glass, on the sudden cooling of melted, 

 464. 



Guthrie (F.) on a new relation be- 

 tween heat and electricity, 308. 



Hagenbach (E.) on fluorescence, 57. 



Harkness (Prof.) on the spectrum of 

 Encke's comet, 159. 



Heat, on the definition of temperature 

 in the mechanical theory of, 77 ; of 

 transformation, on the, 236; on 

 the radiation of, from the moon, 

 390; on the development of, by 

 the friction of liquids against solids, 

 400 ; and electricity, on a new re- 

 lation between, 308. 



Heaviside (O.) on the best arrange- 

 ment of Wheatstone's bridge for 

 measuring a given resistance, 1 14 ; 

 on an advantageous method of using 

 the differential galvanometer for 

 measuring small resistances, 245; 

 on duplex telegraphy, 426. 



Henrici (F. C.) on the action of solid 

 bodies on supersaturated solutions, 

 183. 



Herwig (Dr. H.) on the expansion of 

 superheated vapours, 401. 



Hopkinson (Dr. J.) on the effect of 

 internal friction on resonance, 176. 



Hudson (Dr. H.) on the intensity of 

 sound and light, 160, 359. 



Huggins (Dr.W.) on the spectrum of 

 the great nebula in Orion, 133; on 

 the motions of some stars from or 

 towards the earth, 140; on the 

 wide-slit method of viewing the 

 solar prominences, 306. 



Induced currents,on a method of mea- 

 suring, 467. 



Induction machines, on some im- 

 provements in electromagnetic, 439. 



Iron, on the effects of magnetization 

 in changing the dimensions of bars 

 and holiow cylinders of, 350 ; on a 

 crystallized compound of sesqui- 

 oxide of, and lime, 455. 



Jamin (M.) on the distribution of 

 magnetism, 76; on the theory of 

 the normal magnet, and the means 

 of augmenting indefinitely the 

 power of magnets, 432. 



Kastner (Fr.) on some new experi- 

 ments on singing flames, 397- 



Konig (Dr. R.) on manometric flames, 

 1, 105. 



Le Sage, on the ultramundane cor- 

 puscules of, 321. 



Light, on a supposed alteration in the 

 amount of astronomical aberration 

 of, 306 ; on the intensity of, 359 ; 

 on a new determination of the ve- 

 locity of, 394 ; and sound, on the 

 definition of intensitv in the theories 

 of, 38, 160,215,359,361. 



Liversidge (A.) on supersaturated sa- 

 line solutions, 67. 



Lockyer (J. N.) on spectrum-analysis, 

 147 ; on a new method of viewing 

 the chromosphere, 222. 



Logarithmic tables, on certain early, 

 371, 376. 



Magnet, on the theorv of the normal, 

 432. 



Magnetism, on the distribution of, 7^>- 



Magnetization, on the thermal effects 

 of, 157; on the effects of, in chan- 

 ging the dimensions of iron, steel, 

 and bismuth bars, 350. 



Magnetizing-function of soft iron, on 

 the, 40. 



Mallard (E.) on the definition of 

 temperature in the mechanical 

 theorv of heat, 77- 



