of Flagellates, [109], [110];

transitory, in Flagellates, [109];

of Stentor, [152], [154];

of young Gellius varius, [173], [174]

Pseudopodiospores, [68] f.

Pseudospora, [89];

P. lindstedtii, [89]

Psilaster, [470];

P. acuminatus, [469]

Psolus, [569], [573];