INDEX. 



587 



McCowan (Dr. J.) on ridge-lines 



and lines connected with them, 227. 



Magnetic-elongation and magnetic- 

 twist cycles, on, 141. 



Magnetic field of a current running 

 in a cylindrical coil, 204. 



shielding of concentric spherical 



shells, on the, 9-5. 



Magnetization of soft iron, on the,336. 



Mayer (Dr. A. M.), researches in 

 acoustics, 259 ; on the blending of 

 sensations of interrupted tones, 411. 



Metallic particles, on the sudden 

 acquisition of conducting-power 

 by a series of discrete, 9-4. 



powders, on the action of 



electromagnetic radiations on films 

 containing, 90. 



Metals, on a thermoelectric diagram 

 for some pure, 218. 



Meyer (G.) on an experiment to 

 photograph the spectrum of light- 

 ning, 420. 



Minchin (Prof. G. M.) on the action 

 of electromagnetic radiations on 

 films containing metallic powders, 

 90; on the magnetic field of a 

 current running in a cylindrical 

 coil, 204 ; on the coefficient of 

 self-induction of a circular current 

 of given aperture and cross section, 

 300 ; on the graphic representation 

 of currents in a primary and a 

 secondary coil, 406. 



Mirrors, on a new mode of making 

 magic, 546. 



Monckton (H. W.) on picrite and 

 other associated rocks at Barnton, 

 417. 



Nagaoka (H.) on hysteresis attend- 

 ing the change of length by mag- 

 netization in nickel and iron, 131. 



Nickel, on hysteresis attending the 

 change of length by magnetization 

 in, 131. 



wire, on the magnetization of, 



by rapid electrical oscillations, 582. 



Pickering (S. U.) on the freezing- 

 points of sodium-chloride solu- 

 tions, 162 ; on the densities of 

 solutions of soda and potash, 359. 

 Polarization upon a thin metal parti- 

 tion in a voltameter, on the, 185, 

 288. 

 Potash, on the densities of solutions 

 of, 359. 



Potentiometer for alternating cur- 

 rents, on a, 201. 



Pressure, on endothermic decomposi- 

 tions obtained by, 31. 



of saturated vapours, on an 



approximate law of the variation 

 in the, 38. 



Pressures, temperatures, and volumes, 

 on " corresponding," 1. 



Quartz-fibres, on the attachment of, 

 463. 



Quincke (G.) on a fundameutal ques- 

 tion in electro-optics, 508. 



Radiations, on the action of electro- 

 magnetic, on films containing 

 metallic powders, 90. 



Ramsay (Prof. W.) on the thermal 

 behaviour of liquids, 215, 503. 



Ridge-lines and lines connected with 

 them, on, 227. 



Rinrington (E. O.) on the behaviour 

 of an air-core transformer, 394. 



Ring-electromagnet, on a, 583. 



Rubens (H.) on the polarization of 

 non-diffracted infra-red radiat'on 

 by wire-gratings, 505. 



Riicker (Prof. A. W.) on the mag- 

 netic shielding of concentric sphe- 

 rical shells, 95. 



R.udski (M. P.) on the thermo- 

 dynamics of the sun, 304. 



Rutley (F.) on the sequence of per- 

 litic and spherulitic structures, 416. 



Sarasin (E.) on the nature of the 

 reflexion of electrical waves at the 

 end of a conducting wire, 241. 



Saret (O.) on the rotational coeffi- 

 cients of thermal conductivity,338. 



Schuster (A.) on interference phe- 

 nomena, 509. 



Self-induction of a circular current 

 of given aperture and cross section, 

 on the coefficient of, 300. 



Shearing-stress, on transformations 

 of energy by, 31, 470. 



Shells, on the magnetic shielding of 

 concentric spherical, 95. 



Shields (Dr. J.) on the relative 

 strength or " avidities " of weak 

 acids, 159. 

 Smithells (Prof. A.) on the lumin- 

 osity of gases, 245. 

 Soda, on the densities of solutions of, 



359. 

 Sodium-chloride solutions, on the 

 freezing-points of, 162. 



