blood-system, [587];
development of, [617] f.;
A. eschrichtii, [594]
Antennularia, [279];
A. antennina, [279];
A. ramosa, [279]
Anterior, dorsal process, of ciliated band of Bipinnaria, [606];
of Auricularia, [608];
median process, of ciliated band of Bipinnaria, [606]
Antero-lateral process, of ciliated band of Echinopluteus, [607]