of reproductive cells of Volvox, [126], [127];
telolecithal, [133] n.
Semaeostomata, [323]
Semon, on the phylogeny of Echinodermata, [622]
Semper's larva, [405]
Senility in life-cycle of Ciliata, [148]
Senn, on Flagellates, [119]
Sense-organs of Metazoa, [40]
Sensory cilia, [141]
Septum, protoplasmic, in Dicystic Gregarines, [97], [98] f.;