Bastard wing, [9], [20]

Batara, [488], [489]

Bates, on Eurypyga, [266];

on Humming-birds, [432]

Batis, [509]

Batrachostomus, [415]-[417], [419]

Baza, [146], [173];

B. borneensis, [173];

B. ceylonensis, [173];

B. cuculoïdes, [173];