h, 1839.

CONTENTS.

Par.
Series I. S. 1. Induction of electric currents 6
S. 2. Evolution of electricity from magnetism 27
S. 3. New electrical state or condition of matter 60
S. 4. Explication of Arago's magnetic phenomena 81
Series II. S. 5. Terrestrial magneto-electric induction 140
S. 6. Force and direction of magneto-electric
induction generally 193
Series III. S. 7. Identity of electricities from different
sources 265
---- ---- i Voltaic electricity 268
---- ---- ii Ordinary electricity 284
---- ---- iii Magneto-electricity 343
---- ---- iv Thermo-electricity 349
---- ---- v Animal electricity 351
S. 8. Relation by measure of common and voltaic
electricity 361
---- Note respecting Ampere's inductive results
after 379
Series IV. S. 9. New law of electric conduction 380
S. 10. On conducting power generally 418
Series V. S. 11. Electro-chemical decomposition 450
---- P 1. New conditions of electro-chemical
decomposition 453
---- P 2. Influence of water in such decomposition 472
---- P 3. Theory of electro-chemical decomposition 477
Series VI. S. 12. Power of platina, &c. to induce combination 564
Series VII. S. 11.* Electro-chemical decomposition continued
(nomenclature) 661
---- P 4. Some general conditions of
Electro-chemical decomposition 669
---- P 5. Volta-electrometer 704
---- P 6. Primary and secondary results 742
---- P 7. Definite nature a