Gregarines, habitat, [99];

syngamy, [99]

Gregarinidaceae, [95] f., [97] f.

Gregory, [346]

Grew, [166]

Grey chalk, [61]

Gromia, [52];

G. oviformis, [59] n.

—see also Allogromia

Grooves, longitudinal and transverse, of Dinoflagellata, [110], [130], [131], [132];