Calycophorae, [300] f. [305]

Calymma, [79], [82]

Calymma, [420]

Calymmidae, [420]

Calyptoblastea, [275] f.

Calyx, of Echinus esculentus, [513];

of Echinarachnius parma, [545];

of Pelmatozoa, [579];

of Crinoidea, [580], [588] f.;

of Carpoidea, [580];