Exudation of fluid, [238]

Eye-collar, [387]

Eyes, four in number, [215], [251], [476]

Fabre, J. H., on Ammophila, [111];

on Anthrax, [486];

on Bembex, [120] f.;

on Calicurgus, [101];

on Chalicodoma, [37] f.;

on Eumenes, [72];

on Halictus, [24];