Walghvogel, [329]

Wallace, on Geographical Distribution, [15] f.;

on Birds of Paradise, [543] n., [550];

on Humming-birds, [432]

Wallace's Line, [16], [564]

Walpole, on Didunculus, [332]

Warbler, [513];

habits, [517] f.;

American, [573] f.;

Black-cap, [517];