Martin, painter, [49].
Matfen Piers, [62].
Mile-castles, [18], [20], [30], [49], [50], [68], [72], [102], [105], [108], [115], [124], [125], [127], [139], [140], [141], [160], [169], [173], [179], [181].
Milestone, Roman, [227], [228].
Military roads, Roman, [12], [18], [20], [32], [76], [105], [154], [191], [193].
Millbeck, [199].
Mona (Anglesey) subdued by Rome, [8], [10].
Montague, Mrs. Elizabeth, [48].