Rattlesnake, experiments with poison of the, ii. [289].
Raven, stomach of, affected by vegetable diet, ii. [302].
Rawson, A., self-impotence in hybrids of Gladiolus, ii. [139]-[140].
Ré, Le Compte, on the assumption of a yellow colour by all varieties of maize, i. 321.
Réaumur, effect of confinement upon the cock, ii. [52];
fertility of fowls in most climates, ii. [161].
Reed, Mr., atrophy of the limbs of rabbits, consequent on the destruction of their nerves, ii. [297].
Regeneration of amputated parts in man, ii. [14];
in the human embryo, ii. [15];
in the lower vertebrata, insects, and myriapoda, ibid.