Lyonnet on muscles, [115]
Lysiopetalidae, [76]
Machilidae, [184]
Machilis maritima, [185];
M. polypoda, [184]
Macronema, [478]
Malacopoda, [77]
Mallophaga, [342], [345]-[350]
Malpighi on galls, [525]
Malpighian tubes, [114], [124], [127], [187], [353], [360], [392], [403], [414], [421], [448], [457], [458];