Outlines of zoology . he Entoprocta, but it seems almost certain that these are distinctclasses. The Ectoprocta include fresh-water and marine forms, in which theanus is outside the basis of the tentacles. The nervous system is repre-sented by a ganglion placed between the mouth and anus. There is abody cavity. There is no vascular system. Nephridia are absent. Allare colonial and bud very freely; the marine forms show considerabledivision of labour among the members of the colony. 250 PHYLUM ANNELIDA. (fl) Tentacles in a crescent—Fresh water, Crisiatella, Lophopus, etc. (b) Tentacles in a cir Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/outlines-of-zoology-he-entoprocta-but-it-seems-almost-certain-that-these-are-distinctclasses-the-ectoprocta-include-fresh-water-and-marine-forms-in-which-theanus-is-outside-the-basis-of-the-tentacles-the-nervous-system-is-repre-sented-by-a-ganglion-placed-between-the-mouth-and-anus-there-is-abody-cavity-there-is-no-vascular-system-nephridia-are-absent-allare-colonial-and-bud-very-freely-the-marine-forms-show-considerabledivision-of-labour-among-the-members-of-the-colony-250-phylum-annelida-fl-tentacles-in-a-crescentfresh-water-crisiatella-lophopus-etc-b-tentacles-in-a-cir-image338065551.html
RM2AJ061K–Outlines of zoology . he Entoprocta, but it seems almost certain that these are distinctclasses. The Ectoprocta include fresh-water and marine forms, in which theanus is outside the basis of the tentacles. The nervous system is repre-sented by a ganglion placed between the mouth and anus. There is abody cavity. There is no vascular system. Nephridia are absent. Allare colonial and bud very freely; the marine forms show considerabledivision of labour among the members of the colony. 250 PHYLUM ANNELIDA. (fl) Tentacles in a crescent—Fresh water, Crisiatella, Lophopus, etc. (b) Tentacles in a cir