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

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

of Sabelliformia, [260], [261];

development of, [275];

of Sabella, [286];

colour of, [294];

of Sabellaria, [263];

of Serpulidae, [261];

of Sternaspis, [336];

of Sigalionina, [313];

of Terebellidae, [329];

of Oligochaeta, [352], [353];