by the ancients and semi-civilised people, ii. [201]-[210];
of trifling characters, ii. [208]-[210];
unconscious, i. 214, 217, ii. [174], [210]-[217];
effects of, shown by differences in most valued parts, ii. [217]-[220];
produced by accumulation of variability, ii. [220]-[223];
natural, as affecting domestic productions, ii. [185]-[189], [224]-[233];
as the origin of species, genera and other groups, ii. [429]-[432];
circumstances favourable to, ii. [233]-[239];
tendency of towards extremes, ii. [239]-[242];
possible limit of, ii. [242];