Albinism, its cause, [4] n.

Alca, [315], [320];

A. impennis, [315], [320], [321];

A. torda, [320] f.

Alcae, [268], [315] f.

Alcedinidae, [376], [382] f.;

habits, [383] f.

Alcedininae, [382], [386]

Alcedo, [383];

A. beryllina, [387];