Psilopogon pyrolophus, [450]

Psilorhamphus, [488]

Psilorhinus, [553]

Psittaci, [351] f., [361] f., [376];

bill, [12];

cere, [11];

clavicles sometimes absent, [8];

habits, [364] f.;

metatarsals, [10];

toes, [10];