—see also Choanoflagellata

Crescent (gametocyte of Laverania), [104] f.

Cretaceous firestone of Delitzet contains Peridinium, [132]

Cribrella, [457], [462];

C. (Henricia) sanguinolenta, [462], [463];

C. laeviuscula, [462]

Cribriform organs, [470]

Cricket, Mole-, Lophomonas parasitic in gut of, [123]

Crinoidea, [430], [580] f.;

development of, [617] f.