MADDEN, H., on interbreeding cattle.
MADEIRA, rock pigeon of.
Magnolia grandiflora.
MAGNUS, Herr, on potato-grafting. -on graft-hybrids.
MAIZE, its unity of origin. -antiquity of. -with husked grains said to grow wild. -variation of. -irregularities in the flowers of. -persistence of varieties. -adaptation of, to climate. -acclimatisation of. -crossing of. -extinct Peruvian varieties of.
MALAY fowl.
MALAY Archipelago, horses of. -short-tailed cats of. -striped young wild pigs of. -ducks of.
MALE, influence of, on the fecundated female. -supposed influence of, on offspring.
MALE flowers, appearance of, among female flowers in maize.
MALFORMATIONS, hereditary.