Cnemiornis, [133];

fossil, [136];

breast-bone, [7];

very little keel to sternum, [26], [133]

Cnemophilus macgregori, [548] f.

Cnipolegus, [473], [474], [476];

C. unicolor, [475]

Coach-whip bird, [503]

Cobbler's Awl, [278], [565]

Coccothraustes, [583];