Manning, T. H., [58], [75]

Millais, J. G., [15], [63]

Mink, [69]

Mites, [73]

Moose, [45], [78], [85], [100], [113]

Morrow, William C., [6]

Mosquito(es), [23], [25], [45], [46], [69], [70], [99]

Moss(es), [24], [51], [60]

Murie, Olaus J., [105]-[107]

Mushrooms, [99], [113]