Toilers in the Sea

Actinophrys algæ annelids appear atolls barrier reefs beautiful become body boring sponge bottom branches bristles budding calcareous canals cavity cell central capsule chalk chambers Chelura cilia Cliona Cloth boards coast colony colour consists coral islands coral reefs Dana Darwin dead delicate deposit depth developed disk dredge eggs enclosed excavated fact fathoms Fcap feet filaments flagellum fluid Flustra Foraminifera fringing reef Gorgonia granules growth History horny Hydroid hypothesis inch inhabit lagoon larvæ layer less living marine mass matter membrane microscope minute mollusk mouth naturalists nature observed ocean operculum organs outer particles perforated phosphorescence plates Polycystina polypary polypes portion Professor protoplasm pseudopodia Radiolaria reproduction resemble rock sand sarcode says sea-fans sea-pens sea-water secreted shells shore side skeleton sometimes species spicules stomach structure substance surface tentacles thin tion tube vegetable Wallich whilst whole worm zooids zoophytes zoospores