distribution, [299]

Nitsche, on Polyzoa, [475] n., [478], [500]

Nitzschia, [56], [73]

Norman, on Polyzoa, [475]

Norodonia, [492]

Notamia, [518], [526]

Noteus, [225]

Notholca, [225], [226]

Notocotyle, [73]

Notomastus, [331];