The polygonal protocorallite in circumrotatory colonies and the auloporoid stage in hemis-pheroidal colonies of the tabulateFavosites forbesiMilne-Edwards & Haime may indicate the presence of asexual as well as sexual reproduction in favositids. The supposedly asexual phase is compared with gemmule formation in demosponges. Growth within colonies ofFavosites forbesiis lateral and not intermural.