P. normani, [215]

Pairing in Trichosphaerium, [54]

Pairing-cells, [31], [33] f.;

in Lankesteria, [95]

—see also Gametes, Syngamy

Pairing nuclei, state of, [34];

of Ciliata, [150];

of Paramecium, [148]

Palaeaster, [476]

Palaeocoma, [476]