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];

sterile neuter, ii. [186]-[187];

monstrosities in, ii. [269], [391].