of Protozoa, [46] f.;

of Radiolaria, [79] f.;

of Stylonychia, [140]

Protospongia fenestrata, [207], [207]

Prototheca, [385], [386]

Protozoa, [1] f., [44] f.;

characters, [40];

parasitic, [40], [46];

literature, [45] f.;

geographical distribution, [47] f.;