Manuscript sources, value, [85], [91], [294]; Gardiner’s use, [143], [144].

Massachusetts Historical Society, papers by author before, [141], [151], [159], [175], [183], [189], [315]; recognition of Gardiner, [147]; of Lecky, [156]; interest of E. L. Pierce in, [181]; E. G. Bourne and editorship of publications, [199].

Mathematics, and training of historian, [55][57].

Matthews, William, on The Nation, [278], [279].

Merritt, E. A., appointment by Hayes, [255].

Mexican War, aggression, [212]; and slavery, [212].

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Mill, J. S., and mathematics, [56]; prodigy, [56].

Milligan case, and arbitrary government, [215].

Milman, H. H., on Gibbon’s history, [125], [139].

Milton, John, on books, [60].