. Text-book of embryology. Embryology. Fig. 55.—Longitudinal section tliroiigli the sense organ of a young Ephyra. calc, calcareous concretions in tlie sense-tentacle ; I, lobe of disc of Ejiliyra; , wall of radial canal; (C7(i, Fig. 56.—Three stages in the development of the Ephyra larva into the adult Aurelia. (After Glaus.) ad, adradial cushion; c,e, circular canal; , gastral filament; I, lobe sheltering sense tentacle; per, per-radial canal; teii^, sense-tentacle. (The reference line without letter in the first figure points to an inter-radial canal.) Then in both gr
. Text-book of embryology. Embryology. Fig. 55.—Longitudinal section tliroiigli the sense organ of a young Ephyra. calc, calcareous concretions in tlie sense-tentacle ; I, lobe of disc of Ejiliyra; , wall of radial canal; (C7(i, Fig. 56.—Three stages in the development of the Ephyra larva into the adult Aurelia. (After Glaus.) ad, adradial cushion; c,e, circular canal; , gastral filament; I, lobe sheltering sense tentacle; per, per-radial canal; teii^, sense-tentacle. (The reference line without letter in the first figure points to an inter-radial canal.) Then in both groups the sexually mature person is typically a person which breaks loose from the colony and develops a swimming- web. In Hydrozoa such a person breaks loose in such a way as. 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 MacBride, E. W. (Ernest William), 1866-1940; Kerr, John Graham, 1869-; Heape, Walter, 1855-1929. London : Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, bookpubli, booksubjectembryology
