Abstract
A survey has been made of the fine structure of the mesenterial filaments of starved specimens of Bolocera tuediae, a large macrophagous sea anemone; both histochemical and electron microscopical methods have been used. The cnidoglandular tract is dominated by nematocysts and by several types of granule-containing secretory cells, which are described and illustrated. The results are compared with conditions in the gastroderm of the class Hydrozoa.