structure, [483];

movements, [485];

function, [486]

Axine, [56], [73]

Axiothea, [332], [333]

Baely, on human parasites, [139]

Baird, on Oligochaeta, [382]

Bait, Polychaeta as, [297]

Baker, on Rotifers, [197], [207]; on Polyzoa,

496 n.