A. mesembryanthemum, [379], [381];

longevity of, [375]

Actiniaria, [377] f.;

viviparity of, [373];

symbiosis of, [377];

colours of, [379]

Actiniidae, [381]

Actiniina, [380]

Actinobolus, [137];

tentacles and trichocysts of, [152]