of primary characters of Columba livia in crossed pigeons, i. 201;
of peculiarities of plumage in pigeons, i. 160-161;
of peculiarities of foliage in trees, i. 362;
effects of, in varieties of the cabbage, i. 325.
Insanity, inheritance of, ii. [7], [78].
Insects, regeneration of lost parts in, ii. [15], [294];
agency of, in fecundation of larkspurs, ii. [21];
effect of changed conditions upon, ii. [157];