. Text-book of embryology. Embryology. IV COELENTEEATA 63 enclosed in a special case, the gonangium. This gonangium is secreted by a special outer layer of ectoderm, the mantle layer, which breaks away from the inner ectoderm covering the medusa- bud. In Halecmm a set of endoderni tubes, like the radial canals, grow out from the blastostyle and ramify in the mantle. Gotte interprets the series of forms which he describes, as steps in the building up of the medusa out of what was originally nothing but a lateral swelling on a hydroid person (as the member of a Coelen-. Please note that these im
. Text-book of embryology. Embryology. IV COELENTEEATA 63 enclosed in a special case, the gonangium. This gonangium is secreted by a special outer layer of ectoderm, the mantle layer, which breaks away from the inner ectoderm covering the medusa- bud. In Halecmm a set of endoderni tubes, like the radial canals, grow out from the blastostyle and ramify in the mantle. Gotte interprets the series of forms which he describes, as steps in the building up of the medusa out of what was originally nothing but a lateral swelling on a hydroid person (as the member of a Coelen-. 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
