Bougainvilliidae, [269]

Boulenger, [294] n.

Bourne, G. C., [246], [337], [338] n., [347]

Bourrelet, [553]

Boveri, on functions of chromatin, [28] n.

Bowerbank, [168], [169], [234] n.

Brachial ossicle, of Antedon rosacea, [582];

of fossil Crinoidea, [595]

Brachiolaria, [612], [613]

Brachionus, often found with Euglena viridis, [124]