INDEX. 



727 



Memoliv de riiotograpliie, o40; 

 Voig-t's Tliermodynamik, 540 ; De- 

 couibe'ti La Couipressibiliti; des 

 Cxaz Keels, &27 ; J cues' Principles 

 of Inorganic Chemistry, G27 ; 

 Kiglii's II Moto dei loni nelle 

 Scariche Elettriche, 628 ; Maun's 

 31anual of Advcinced Optics, 722; 

 Ascliau's Konstitution des Kam- 

 pliers, 723 ; Journal de Cliimie 

 Pliysique, 723 ; Osborne Keynolds' 

 Papers on Mechanical and Physi- 

 cal Subjects, 723. 



Buckingham (E.) on a modification 

 of the plug- experiment, 518. 



Buckman (S. S.) on the Toarcian of 

 Bredon Hill, 633. 



Burbury (S. H.) on the variation of 

 entropy, 251 ; on Mr. J. H. Jeans' 

 theory of gases, 529. 



Burton (E. F.) on the radioactivity 

 of metals, 343. 



Campbell (A.) on the measurement 

 of small resistances, 33. 



Campbell (N, R.) on the electrical 

 discharge from a point to a plane, 

 618. 



Capacity-boxes, on the application 

 of alternating currents to the cali- 

 bration of, 707. 



Carbon compounds, on the vapour- 

 densities of some, 492. 



Cardinal numbers, on the transhnite, 

 of aggregates of functions, 323. 



Cartmel (W. B.) on the anomalous 

 dispersion and selective absorption 

 of luchsin, 213. 



Chartres (R.J on minimum deviation 

 through a prism, 529. 



Chemical change, on initial accele- 

 ration in, 271. 



Cloud-chamber, description of a new 

 foi-m of, 313. 



Cobalt, on change of length in, by 

 magnetization, 398. 



Collisions, on the vibrations set up 

 in molecules by, 279. 



Colloidal solutions, on the viscosity 

 and composition of some, 374. 



Condensation nuclei, on, produced 

 in air and hydrogen by heating a 

 platinum wire, 306. 



Condenser, on the law of the, in the 

 induction-coil, 411. 



Contact electricity, on radium radia- 

 tion and, 701. 



Convection, on the magnetic effect 

 of electric, 442. 



Cook (S. R.) on the distribution of 

 pressure around spheres in a viscous 

 fluid, 424. 



Cooke (II. L.) on a penetrating radia- 

 tion from the earth's surface, 403. 



Coruu's spiral, on the application of, 

 to the diffraction-grating, 30. 



Corpuscles describing circular orbits, 

 on the magnetic properties of sys- 

 . terns of, 673. 



Cremieu (V.) on the magnetic effect 

 of electric convection, 442. 



Crystals, on the fluorescence of, 

 under Runtgen rays, 250. 



Cunniugham-Craig ("E. H.) on meta- 

 morphism in the Loch Lomond dis- 

 trict, 724. 



Current, on the potential and lines 

 of force of a circular, 19. 



Cylindrical surface, on refraction at 

 a, 46. 



Dielectric, on the impossibility of 

 undamped vibrations in an un- 

 bounded, 667. 



Diffraction-grating, on the applica- 

 tion of Cornu's spiral to the, 30 ; 

 on the effect of errors in ruling on 

 the appearance of a, 559. 



Dioptric system, on the axial, 326. 



Direct-vision spectroscope of one 

 kind of glass, on a, 269. 



Discharge, on the electric, from a 

 point to a plane, 618. 



Earth's surface, on a penetrating- 

 radiation from the, 403 ; negative 

 charge, on ion absorption and the, 

 589. 



Elastic solid, on the work done by 

 forces operative at one or more 

 points of an, 385. 



Electric convection, on the magnetic 

 effect of, 442. 



current, on the potential and 



lines of force of a circular, 19. 



discharge from a point to a 



plane, on the, 618. 



intensity in the uniform posi- 

 tive column in air, on the, 180. 



resonance of metal particles 



for light-waves, on the, 259. 



Electricity, on radium radiation and 

 contact, 701. 



Electro-ethereal theory of the velo- 

 city of light, on, 537. 



