Matthiolus, Petrus, [2], [3].

Mauritanus, Gilgil, [19].

Mauritanus, Serapio, [2], [6].

Maurolycus, Franciscus, [5], [42], [153], [180].

medicinal use of iron, [33].

of loadstone, [32].

Medina, Pedro de, [166].

Menelaus, [234], [237].

meridian, magnetick, [79], [152], [163].

Merula, Gaudentius, [7].