Marriage, [19], [274]

Marsh, Professor, [70]-[78]

Marsupials, [141]

Mason, Sir Josiah, [185]

Materialism, [217], [220], [222], [225], [227]

Matter and ideas, [224]

Matter, nature of, [219]-[221]

Matthew, Patrick, [100]

Mauritius, [18]

Medical education, [167], [181], [184]