INDEX. 



471 



Lea (M. C.) on ammonio-argentic 

 iodide, 73. 



Lead, on the electrical properties of 

 the chloride of, 132. 



Levy (M.) on a universal law respect- 

 ing the dilatation of bodies, 397 ; 

 on molecular attraction in its re- 

 lations with the temperature of 

 bodies, 466. 



Light, on the magnetic rotation of 

 the plane of polarization of, under 

 the influence of the earth, 76 ; 

 spectrometric study of some sources 

 of, 314; on the, reflected by potas- 

 sium permanganate, 454. 



Lippmann (M.) on the depolarization 

 of the electrodes by the solutions, 

 159. 



Lockyer (J. N.) on recent researches 

 in solar chemistry, 161. 



Lntidine, on the oxidation of, 19. 



Magnetic elements for Northern 

 India, on, 464. 



figures illustrating electrody- 



namic relations, 348. 



moments, on the experimental 



determination of, in absolute mea- 

 sure, 321. 



Mayer (Prof. A. M.) on acoustic re- 

 pulsion, 231. 



Meldola (R.) on a cause for the ap- 

 pearance of bright lines in the solar 

 spectrum, 50. 



Microphone, on the physical action 

 of the, 44. 



Millar (W. J.) on the transmission 

 of vocal and other sounds bv wires, 

 115. J 



Mills (Dr. E. J.) on thermometry, 62. 



Molecular attraction in its relations 

 with the temperature of bodies, 

 on, 466. 



Mollusks, on the measurement of the 

 curves formed by, 241. 



Moore (C.) on the palaeontology of 

 the Meux's-Well deposits, 310. 



Mosandrum, on the new element, 238. 



Multiplication, on, by a table of 

 single entry, 331. 



Nebulae, on the origin of, 1. 



Nebular hypothesis, on the, 128, 448. 



Nickel, on the analysis of alloys con- 

 taining, 14. 



Ocean currents, on the theory of, 192. 



Phillips (J. A.) on the so-called 

 greenstones of Cornwall, 69. 



Photography at the least-refrangible 

 end of the solar spectrum, on, 154. 



Picoline and its derivatives,researches 

 on, 19. 



Pipes, on the relation between the 

 notes of open and stopped, 63. 



Plateau's film-systems, on the pro- 

 duction of, 75. 



Platinum group, on the dissociation 

 of the oxides of the, 394. 



Polarization stress in gases, on, 401. 



Potassium permanganate, on the light 

 reflected by, 454. 



Preston (S. T.) on the proper motion 

 of the sun in space, 393 ; on diffu- 

 sion as a means for converting nor- 

 mal-temperature heat into work, 

 400. 



Prestwich (Prof.) on Artesian wells, 

 234. 



Puluj (Dr. J.) on the friction of va- 

 pours, 157. 



Purser (Prof. J.) on the applicability 

 of Lagrange's equations in certain 

 cases of fluid-motion, 354. 



Puschl (Prof. C.) on the actinic 

 theory of heat, 79. 



Radiation, on the origin of solar, 128. 



Rainbows, on certain phenomena ac- 

 companying, 272. 



Ramsay (Dr. W.) on picoline and its 

 derivatives, 19. 



Ranee (O. E. De) on the geological 

 results of the Polar expedition, 

 71. 



Rayleigh (Lord) on acoustic repul- 

 sion, 270. 



Resonators, on brass wind instruments 

 as, 119. 



Rontgen (Prof. W. 0.) on electrical 

 discharges in insulators, 438. 



Sabine (R.) on motions produced by 

 dilute acids on some amalgam sur- 

 faces, 211. 



Salt-solutions and attached water, 

 on, 35, 105. 



Screws of inertia of a free or con- 

 strained rigid body, on the prin- 

 cipal, 274. 



Sheibner (Dr. C. P.) on Foyaite, 153. 



Siemens (W.) on telephony, 93. 



Silica, on the crystallization of, in the 

 dry way, 78. 



Silver, on the combination of the 

 iodide of, with ammonia, 73. 



Sky, on the blue colour of the, 267. 



