782 
INDEX. 
Church (A. H.). Researches on Turacin, an Animal Pigment containing Copper.—No. II.. 511. 
Clark cell as a standard of electromotive force, on the, 567 (see Glazebrook and Skinner). 
Collision of elastic bodies , on the, 407 (see Burbuby). 
Colour photometry. —Part III., 531 (see Abney and Festing). 
Conductivities of crystals and other bad conductors, on the thermal, 481 (see Lees). 
Copper , researches on turacin, an animal pigment containing.—No. II., 511 (see Church). 
Crystals and other bad conductors, on the thermal condnctivities of, 481 (see Lees). 
D. 
Distilled water, re-determination of the mass of a cubic inch of, 331 (see Chaney). 
E. 
Elastic bodies, on the collision of, 407 (see Burbury). 
Electric currents, repulsion and rotation produced by alternating, 279 (see Walker). 
Electromagnetic field, on the forces, stresses, and fluxes of energy in the, 423 (see Heaviside). 
Electromagnetism, on the mathematical theory of, 685 (see McAulay). 
Electrometer, on the time-relations of the excursions of the capillary, 81 (see Burch). 
Electromotive force, on the Clark cell as a standard of, 567 (see Glazebrook and Skinner). 
Emissivity of thin wires in air, the thermal, 371 (see Ayrton and Kilgour). 
Ethyl-alcohol, volume extensibility of, 355 (see Worthington). 
F 
Festing (E. R.) (see Abney and Festing). 
G. 
Glazebrook (R. T.) and Skinner (S.). On the Clark Cell as a Standard of Electromotive Force, 567. 
H. 
Heaviside (0.). On the Forces, Stresses, and Fluxes of Energy in the Electromagnetic Field, 423. 
Hill (M. J. M.). On the Locus of Singular Points and Lines which occur in connection with the 
Theory of the Locus of Ultimate Intersections of a System of Surfaces, 141. 
