586 



INDEX. 



action of, on films containing 

 metallic powders, 90. 



Electromagnets, on the design and 

 winding of alternate-current, 564. 



Electro-optics, on a fundamental 

 question in, 380, 508. 



Endothermic decompositions ob- 

 tained by pressure, on, 31. 



Energy, on transformations of, by 

 shearing-stress, 31 ; on the law of 

 distribution of, 143 ; on transfor- 

 mations of mechanical into chemi- 

 cal, 470. 



Fisher (Bev. 0.) on densities in the 

 earth's crust, 375. 



FitzGerald (Prof. G. F.) on an ap- 

 proximate law of the variation in 

 the pressure of saturated vapours, 

 89. 



Flame-spectra, on the genesis of, 253. 



Flames, on the luminosity of, free 

 from solid particles, 245. 



Freezing-points of sodium-chloride 

 solutions, on the, 162. 



Galitzine (Prof. B.) on the thermal 

 behaviour of liquids, 423. 



Gases, on the luminosity of, 245 ; 

 on the mechanical and molecular 

 energy of, 340, 419, 507, 508. 



Geological Society, proceedings of 

 the, 415. 



Gore (Dr. G.) on changes of temper- 

 ature caused by contact of liquids 

 with powdered silica &c, 306, 504; 

 on the mechanical energy of mole- 

 cules of gases, 340, 508. 



Gratings, on the polarization of non- 

 diffracted infra-red radiation by 

 wire, 505. 



Gray (J. H.) on the elasticity of 

 spider lines, 491. 



Gray (P. L.) on the minimum tem- 

 perature of visibility, 549. 



Hull (Prof. E.) on an artesian boring 

 near Windsor Forest, 418. 



Hysteresis attending the change of 

 length by magnetization in nickel 

 and iron, 131. 



Insects, on the limits of vision in, 

 316. 



Interference phenomena, on, 509. 



Iron, on hysteresis attending- the 

 change of length by magnetization 

 in, 131 ; on the magnetization of 

 soft, 336, 421. 



wire, on the magnetization of, 



by rapid electrical oscillations, 582. 



Johnston-Lavis (Prof. H. J.) on en- 

 closures of quartz in lava of 

 Stromboli, 416. 



Jones (O. G.) on the viscosity of 

 liquids, 451. 



Joubin (P.) on the magnetization of 

 spft iron, 336, 421. 



Jukes-Browne (Prof. A. J.) on den- 

 sities in the earth's crust, 244 ; 

 on the Purbeck beds of the Vale 

 of Wardour, 416. 



Kearton (J. W.) on a new mode of 

 making 1 magic mirrors, 546. 



Kerosene, on the fractional distil- 

 lation of, 495. 



Kerr (Dr. J.) on a fundamental ques- 

 tion in electro-optics, 380. 



Klemencic (Prof. I.) on the mag- 

 netization of iron and nickel wire 

 by rapid electrical oscillations, 582. 



Knott (Prof. C. G.) on magnetic- 

 elongation and magnetic-twist 

 cycles, 141. 



Kraevitch (K. D.) on an approximate 

 law of the variation in the pressure 

 of saturated vapours, 38. 



Kynaston (H.) on the Gosau Beds 

 of the Salzkammergut, 418. 



Langley (Prof. S. P.) on the internal 

 work of the wind, 425. 



Lea yM. C.) on endothermic decom- 

 positions obtained by pressure, 31 ; 

 on transformations of mechanical 

 into chemical energy, 470 ; on a 

 new method of determining the 

 relative affinities of certain acids, 

 557. 



Light, on the nature of white, 542. 



Lightning, on the spectrum of, 420. 



Liquid, on a method of finding the 

 refractive index of a, 467. 



Liquids, on the separation of three, 

 by fractional distillation, 8 ; on 

 changes of temperature caused by 

 contact of, with powdered silica, 

 &c, 306, 504; on the thermal 

 behaviour of, 215, 423, 424, 503, 

 584; on the viscosity of, 451. 



Littlewood (T. H.) on a method of 

 finding the refractive index of a 

 liquid, 467. 



Lodge (Prof. O. J.) on the sudden 

 acquisition of conducting-power 

 by a series of discrete metallic 

 particles, 94 ; on the molecular 

 energy of gases, 419. 



Luminosity of gases, on the, 245. 



