The Cambridge natural history, Vol. 02 (of 10)

by Frank E. Beddard; W. B. Benham; F. W. Gamble; Marcus Hartog; Lilian Sheldon

Nephthydidae, [258], [317]

Nephthys, [317];

nephridium, [254];

prostomium, [259], [260];

head, [262];

tentacles, [262];

peristomium, [263];

parapodium, [264], [265];

cirrus, [265];

gill, [268];