on ears, [286];

on ears of Locustidae, [316], [317];

on chordotonal organs, [121];

on blood, [133];

on phonation of Stenobothrus, [284];

on Platycleis, [312]

Grassi, on Myriapoda, [47];

on Campodea, [163];

on Embia, [353];

on Termitidae, [361] f.