budding, [514]
Brachionidae, [225]
Brachionus, [200], [201], [204], [218], [225], [226], [227]
Brachydrilus, [357]
Brackish water, Rotifers, [226];
Polychaeta, [284];
Polyzoa, [492]
Bradynema, [150], [151], [160]
Braem, on statoblasts, [503] f.
Brain—see Nervous System