Bonellia, [411], [434], [442];

anatomy, [434] f., [435];

male, [438];

development, [439];

habits of, [442];

as host, [297]

Bonnet, on Oligochaeta, [348], [379]

Boring Worms, [286], [287]

Borlase, on Lineus marinus, [99]

Borlasia elizabethae, [111], [114]