undulating membranes of, [123]

Dinobryon, [110], [112]

Dinoflagellata, [110], [113], [130], [131], [132];

plastids of, [40];

nutrition of, [113]

Dinoflagellate condition of young Noctiluca, [134]

Diphyes, [303], [307]

Diphyidae, [306]

Diphyopsinae, [307]

Diplacanthid, [457]