Mastiff, sculptured on an Assyrian monument, i. 17, ii. [429];
Tibetan, i. 35-36, ii. [278].
Matthews, Patrick, on forest trees, ii. [237].
Matthiola annua, i. 399, ii. [20].
Matthiola incana, i. 381, 399.
Mauchamp, merino sheep, i. 100.
Mauduyt, crossing of wolves and dogs in the Pyrenees, i. 24.
Maund, Mr. crossed varieties of wheat, ii. [130].
Maupertuis, axiom of "least action," i. 12.
Mauritius, importation of goats into, i. 101.