CONTENTS ff. § i. IDENTITY OF ELECTRICITIES FROM DIFFERENT SOURCES . i. Voltaic Electricity...... ii. Ordinary Electricity ..... iii. Magneto-Electricity .... iv. Thermo-Electricity ...-•• v. Animal Electricity ...... § 2. RELATION BY MEASURE OF COMMON AND VOLTAIC ELECTRICITY ......•• II. § 3. NEW LAW OF ELECTRIC CONDUCTION .... § 4. ON CONDUCTING POWER GENERALLY .... III. § 5. ELECTRO-CHEMICAL DECOMPOSITION .... ^ i. New Conditions of Electro-chemical Decom- position ....... Tf ii. Influence of Water in such Decomposition *ff iii. Theory of Electro-chemical Decomposition . IV. § 6. POWER OF PLATINA, ETC., TO INDUCE COMBINATION V. § 5. ELECTRO-CHEMICAL DECOMPOSITION—Continued (NOMEN- CLATURE) ........ 1f iv. Some General Conditions of Electrochemical Decomposition ..... Tf v. Volta-electromcter ..... IT vi. Primary and Secondary Results . Ifvii. Definite Nature and Extent of Electro- chemical Forces ....r § 7. ABSOLUTE QUANTITY OF ELECTRICITY IN TIIK MouwuU'i.s OF MATTER ........ VI. § 8. ELECTRICITY OF THE VOLTAIC PILE .... If i. Simple Voltaic Circles ..... 1f ii. Electrolytic Intensity ..... ]f iii. Associated Voltaic Circles; or HjiUwy . If iv. Resistance of an Electrolyte to Decomposition If v. General Remarks on the Active Battery xxi PAGE I 3 7 •I i •17 4« 54 53 t ii i nience in the text, and the sections and paragraphs