on Francolins, [228] n.;

on Ibis melanocephala, [100] n.;

on Mycteria, [96] n.

Humerus, [8], [8]

Humming-bird, [419], [420], [426] f., [429], [568];

breast-bone, [6] f.;

habits, [428] f.;

nature of iridescent feathers, [4];

operculum of nostrils, [11];

Bee-, [438];