Statolith, [252], [289]

Statoplea, [279]

Statorhab in Geryonia, [252]

Stauractin, [234]

Stauromedusae, [310], [316], [320]

Steganophthalmata, [314]

Steganopora, [284], [286]

Stein, von, on Protozoa, [45] f.;

misinterpretation of parasitic Suctoria in Ciliata, [161];

on Suctoria, [162]