in feral animals and plants, ii. [32]-[34];
to characters derived from a previous cross in man, dogs, pigeons, pigs, and fowls, ii. [34]-[35];
in hybrids, ii. [36];
by bud-propagation in plants, ii. [36]-[38];
by age in fowls, cattle, &c., ii. [38]-[39];
caused by crossing, ii. [39]-[51];
explained by latent characters, ii. [51]-[56];
producing monstrosities, ii. [57];
producing peloric flowers, ii. [58]-[60];
of feral pigs to the wild type, i. 77-78;