Matthews, on Hydroscaphidae and Corylophidae, [228];

on Sphaeriidae, [227]

Maxillae, of Lepidoptera, [309]

Mayer, Paul, on Hemiptera, [536]

Meadow-brown, [347]

Meal-worm, [263], [264]

Mealy-bugs, [592]

Mechanitidae, [346]

Medeterus ambiguus, [493]

Median nervure, [318]