on Palaelodus, [70];
on Panurus, [541];
on Pici, [445];
on Psittaci, [362];
on Pterylosis, [2];
on Ratitae, [26] n.;
on Sand-Grouse, [322];
on Steganopodes, [70] n.;
on "Stereornithes," [43] f.;
on Tinamidae, [182];
on Palaelodus, [70];
on Panurus, [541];
on Pici, [445];
on Psittaci, [362];
on Pterylosis, [2];
on Ratitae, [26] n.;
on Sand-Grouse, [322];
on Steganopodes, [70] n.;
on "Stereornithes," [43] f.;
on Tinamidae, [182];