Gigantorhynchidae, [183]

Gigantorhynchus gigas, [174], [177], [184];

G. echinodiscus, G. spira, G. taenioides, [184]

Gills, of Polychaeta, [252], [265], [268] f.;

of Arenicola, [333];

of Chlorhaemidae, [334];

of Cirratulus, [326];

of Euphrosyne, [265], [318];

of Eunicidae, [318];

of Nereis, [246];