558 
INDEX. 
F. 
Films, colours of, 451; electrical resistance of, 457. 
Fossil plants of coal-measures, 283 (see Williamson). 
H. 
Hopkinson (J.). Electrostatic Capacity of Glass, II., and of Liquids, 355. 
I. 
Induction balance, five-plate, examination of, 366. 
Induction of electric currents, 307. 
M. 
Maxwell’s lent ; connecting specific inductive capacity and refractive index, comparison of, with experimental 
results, 373. 
Maxwell’s laiv of constancy of coefficient of viscosity of gases when pressure changes, 431, 441. 
Megalania prisca, 547. 
X. 
Newton’s Table of Colours, revision of, 451. 
Niven (C.). On the Induction of Electric Currents in Infinite Plates and Spherical Shells, 307. 
0 . 
Ornithorhynchus, cochlea of, compared with that of Mammals and Birds, 267. 
Owen (R.). Description of some Remains of the Gigantic Land-Lizard (Megalania prisca, Owen) from 
Australia.—Part III., 547. 
Pritchard (G.). The Cochlea of the Ornithorhynchus platypus compared with that of ordinary Mammals 
and of Birds, 267. 
R. 
Refractive indices of various liquids, 373. 
Reinold (A. W.) and Rucker (A. W.). On the Electrical Resistance of Thin Liquid Films, with a 
Revision of Newton’s Table of Colours, 447. 
Repulsion arising from radiation, in air and gases, 403, 411, 415, 418, 420, 424. 
Resistance, electrical, of a liquid film, 463; of a liquid in mass, 470; relation of, to temperature and 
constitution of a liquid, 475. 
Rucker (A. W.) and Reinold (A. W.) (see Reinold). 
