Bear, [3], [179], [185], [442-3]
Bee-eater, [252], [254], [256], [261], [325], [451]
Bird-life in Gredos, [147], [154]
—— Bermeja, [160]
Bird-life in Navarre, [454] et seq.
Bittern, [80], [254], [272-3], [364], [423-4]
—— Little, [255], [271], [273], [427], [453]