The Cambridge natural history, Vol. 01 (of 10)

by Marcus Hartog; Sydney J. Hickson; E. W. MacBride; Igerna Brünhilda Johnson Sollas

of Schizotricha socialis, [152];

of Stentor, [154];

of Vorticellidae, [158];

fertilising in Chlamydomonas, [125]

Tube-foot, [428];

of Asterias rubens, [441] f.;

of Echinus esculentus, [517] f.;

of Endocyclica, [532];

of Arbaciidae, [532];

of Cidaridae, [532];