C. atratus, [140]

Cathartae, [137] f.;

claws on manus, [48]

Cathartes, [140]

Cathartidae, [70], [137] f., [143];

fossil, [140];

fossil, Dryornis belongs here, [44];

habits, [137] f.

Catharus, [509], [510], [516]

Catherpes, [521], [522]