. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Archidistoma nggregatum.—A smnll colony, enlarged. Fig. 1-v Archidistoma aggregatum.—Part of another colony, enlarged, showing the partial freedom of the zooids of a clump, and the tendency of the cloacal openings towards a central position. Archidistoma aggregatum^ sp. nov. Clumps composed of a small but variable number of zooids. Test arenaceous. Tentacles about thirty in number. Pharynx possessing three rows of straight elongated stigmata ; hori- zontal membranes betwee


. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Archidistoma nggregatum.—A smnll colony, enlarged. Fig. 1-v Archidistoma aggregatum.—Part of another colony, enlarged, showing the partial freedom of the zooids of a clump, and the tendency of the cloacal openings towards a central position. Archidistoma aggregatum^ sp. nov. Clumps composed of a small but variable number of zooids. Test arenaceous. Tentacles about thirty in number. Pharynx possessing three rows of straight elongated stigmata ; hori- zontal membranes between the rows of stigmata ; no inter= mediate supporting membranes. Ova lai'ge, containing much food-yolk. Archidistoma aggregatum is a connecting-link between the true Distomidse [Distoma^ Cystodites^ Distaplia, Oxycorynia^ 18*. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original London, Taylor and Francis, Ltd


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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology