Brachyrhamphus craveri, [319];

B. hypoleucus, [319];

B. kittlitzi, [318];

B. marmoratus, [318]

Bradypteri, of Sharpe, [513]

Bradypterus, [514]

Brambling, [584]

Branta, fossil, [136]

Breast, [20]

Breast-bone, [6]