Inama-Sternegg, Professor K. Th. von, on natural economy and serfdom, [362] note [2];
on medieval Germany, [348], [358], [359], [362], [373] sqq.
Inductive method, XVII.
Industry, [178] note [2];
on the N. Pacific Coast of N. America, [207] sqq.;
in Australia, [231], [232];
in Central N. America, [239], [240];
among the Eskimos, [248]–250;
among pastoral tribes, [281];
effects of, [259].
Inferior races, neighbourhood of, [288], [414], [425]. [[470]]
Ingram, Professor J. K., XX;
on the use of the terms “slave” and “slavery”, [4];
definition of slavery, [6];
on lower castes, [33];
on the character of serfdom, [37];
on slavery among hunting, pastoral and agricultural tribes, [172];
on employment of slaves in warfare by the Romans, [401];
on liberti holding high offices, [403] note [2];
on the African slave-trade, [410] sqq.;
on the moral effect of slavery, [436].
Intercourse, between neighbouring tribes, [214], [260], [289];
with superior races, [411], [425].
Internal causes, [417].
Intratribal slavery, [194], [428].
Isolated tribes, [228].