to lichens, [253];

to other creatures, [235];

to other Insects, [197], [215], [235], [251], [274], [300], [301], [323], [324], [504], [513], [550];

to vegetation, [200], [260], [274]

Respiration [and respiratory organs], [128]-[132], [431];

by integument, [483];

by setae, [435];

of nymphs of Odonata, [420] f.;

of Perlidae, [401] f.

Respiratory chamber, [434]