False rib, [6]
Fandango-bird, [479]
Fantail, [506]
Father John, [102]
Feathered spaces or pterylae, [2]
Feathers, nature, growth, etc., [2] f.
Female, and young duller in most birds, [4];
brighter and larger than male in Rhynchaea, [270] f.;
in Turnix, [188];