of Stentor, [156];

of Vorticella, [157];

of Suctoria, [160] f., [162]

Contractility, [8], [9];

muscular mechanism of, [14] f.

Contraction, of Amoeboid cell, [16] f.

Copepoda, infested by Epistylis, [158]

—see also Cyclops

Coppinia, [280];

C. arcta, [280]