654 INDEX OF SUBJECTS. 



PAGE 



Anisotropic Media 617 



Bad Conductors 619 



Conducting Bodies 620 



Rotatory Magnetic Polarization 621 



Hall's Phenomenon 622 



General Equations 623 



Propagation of a Plane Wave 624 



Rotation of the Plane of Polarization 625 



CHAPTER XL SUPPLEMENTARY. 



Conclusions from Carnot's Principle 628 



Changes of Temperature during Magnetisation 631 



Electrical Heating of Tourmaline 632 



Principle of the Conservation of Electricity 632 



Electrocapillary Phenomena 633 



Gas Condensers 635 



Electrical Dilatation of Glass 637 



Compression of Tourmaline 638 



Generalisation of Lenz's Law 639 



THOS. DE LA RUE AND CO., PRINTERS, BUNHILL ROW, LONDON. 



