of Dinoflagellates, [131]

—see also Zoospores

Sycettidae, [187]

Sycon, [187], [221];

S. carteri, [187];

S. coronatum, [187];

S. setosum, development, [188], [189], [231];

S. raphanus, development, [190], [226]

Symbiosis, [86], [125], [219];

Pelomyxa, [53];