Pernis, [148], [172];

P. apivorus, [172];

P. celebensis, [172];

P. cristatus, [172];

P. ptilorhynchus, [172];

P. tweeddalii, [172]

Pervious nostrils, [11]

Petasophora, [430], [434]

Petherick, on Balaeniceps, [94] n.

Petit Duc, [412]