on relations of Halteridium and Trypanosoma, [103] n., [116] n., [120];

on relations of Acystosporidae, [106];

on conjugation in Flagellates, [116] n.;

on Trypanosoma, [120];

on Treponema, [120];

Fauna Arctica, [199] n.;

on Haleremita, [257]

Schaudinnia arctica, [200]

Scheel, on brood-formation in Amoeba proteus, [56] n.

Schewiakoff, on protoplasmic granules, [6] n.;