Mouse-bird, [439]

Muirfowl, [238]

Mules, [203]

Müller, Johannes, on classification, [14];

on classification by song-muscles, [466]

Mullerornis, [43]

Mulsant, on humming-birds, [432]

Munia, [579];

M. oryzivora, [577];

M. punctulata, [577]