Calicoblasts, [385]
Calkins, on nucleus in Protozoa, [25] n.;
on Protozoa, [46];
on rhythm in life-cycle of Ciliata, [148] n.
Calliactis (family Sagartiidae, [381]);
C. parasitica, [378]
Callianira, [418]
Callianiridae, [417]
Calthrop, [184];
of Radiolaria, [83]