Byrsophlebs, occurrence, [44];

British species, [49]

Caberea, [487], [518], [526];

vibracula, [486], [517]

Caecum, in Polyzoa, [499]

Calathus, host of Gordius, [172]

Calceostominae, [73]

Calceostomum, [73]

Caldwell, on Phoronis, [454], [456], [461]

Calicotyle, [73]