MacNab, Mr., on seedling weeping birches, ii. [18];
non-production of the weeping beech by seed, ii. [19].
Madagascar, cats of, i. 47.
Madden, H., on interbreeding cattle, ii. [118].
Madeira, rock pigeon of, i. 184.
Magnolia grandiflora, ii. [308].
Maize, its unity of origin, i. 320;
antiquity of, ibid.;
with husked grains said to grow wild, ibid.;
variation of, i. 321;