Dudley and Beaumont on Termites, [372], [387]
Dufour, on alimentary canal, [124];
on tracheal system, [129];
on air sacs of Acridiidae, [283];
on sexual organs, [138], [139];
on testes, [140];
on phonation, [286];
on Tridactylus, [338];
on Mantidae, [246];
on earwigs, [210];