Callidina, [201], [202], [204], [218], [219], [222], [225], [227], [230]
Calliobothrium, [76] n., [91];
larva, [77]
Calotte, of Dicyemids, [93]
Calyx, [488]
Camerano, on development of Gordius, [170]
Capitella, [331];
peristomium, [263];
special chaetae, [267], [268];
habitat, [286];