ricity evolved by, 27.
----, its relation to the lines of inductive force, 1411, 1658, 1709.
---- bodies classed in relation to, 255.
_Magneto-electric currents_, their intensity, 183, 193, 211, 213.
----, their direction, 114, 110.
---- traverse fluids, 33.
---- momentary, 30.
---- permanent, 89.
---- in all conductors, 193, 213.
_Magneto-electric induction_, 27, 58.
----, terrestrial, 110, 181.
----, law of, 114.
----. _See_ Arago's magnetic phenomena.
_Magneto-electric machines_, 135, 154, 158.
----, inductive effects in their wires, 1118,
_Magneto-electricity_, its general characters considered, 343, &c.
---- identical with other electricities, 360.
----, its tension, 343.
----, evolution of heat, 344.
----, magnetic force, 345.
----, chemical force, 346.
----, spark, 348.
----, physiological effects, 347.
----. _See_ Induction, magnetic.
_Matter_, atoms of, 869, 1703.
----, new condition of, 60, 231, 242, 1114, 1661, 1729.
----, quantity of electricity in, 852, 861, 873, 1652.
----, absolute charge of, 1169.
_Measures of electricity_, galvanometer, 367, _note_.
----, voltameter, 704, 736, 739.
----, metal precipitated, 740, 842.
Measure of specific inductive capacity, 1307, 1600.
_Measurement of_ common and voltaic electricities, 361, 860, 1652.
---- _electricity_, degree, 736, 738.
---- ---- by voltameter, 704, 736, 739.
---- ---- by galvanometer, 367, _note_.
---- ---- by metal precipitated, 740, 842.
Mechanical forces affect chemical affinity, 656.
Mercurial terminations for convection, 1581.
_Mercury_, periodide of, an exception to the law of conduction? 691, 1341.
----, perchloride of, 692, 1341.
_Metallic contact_ not necessary for electrolyzation, 879.
---- not essential to the voltaic current, 879, 887, 915.
---- its use in the pile, 893, 896.
Metallic poles, 557.
Metal and electrolyte, their state, 946.
_Metals_, adhesion of fluids to, 1038.
----, _their power of inducing combination_ 564, 608.
----, ---- interfered with, 638.
----, static induction in, 1329, 1332.
----, different, currents induced in, 193, 211.
----, generally secondary results of electrolysis, 746.
---- transfer chemical force, 918.
----, transference of, 539, 545.
---- insulate in a certain degree, 1328.
----, convective currents in, 1603.
----, but few magnetic, 255.
Model of relation of magnetism and electricity, 116.
Molecular inductive action, 1164, 1669.
_Motion_ essential to magneto-electric induction, 39, 21