Biloculina, [59], [67]

Biloculine, [66]

Binary sex (= syngamy with marked inequality between the pairing cells), [33] f.;

in Centropyxis, [57];

in Stylorhynchus, [99];

in Pterocephalus, [99];

in Coccidiaceae, [100] f.;

in Sarcocystis tenella, [108] n.;

in Volvocidae, [127] f.;

in Eudorina, [129];