C. speciosa, [344];
C. torringtoniae, [344];
Columbae, [268], [322], [325] f.;
operculum of nostrils, [11]
Columbidae, [268], [325] f., [333] f.;
habits, [327] f.
Columbigallina, [325], [327], [328], [335], [340];
C. buckleyi, [340];
C. cruziana, [340];