. The Danish Ingolf-Expedition. Scientific expeditions; Arctic Ocean. 50 ACTINIARIA The statement of Danielssen, that the capituluni has suckers, is not correct. The tentacles were i6 in the specimen from Great fiord, Wijde bay and in the examined type-specimen; the specimens from Greenland had only 13, resp. 15 tentacles. The specimen from Wijde bay (PI. i, fig. 11) showed a neomorphose (Carl- gren 1904 p. 458). The oral disc is small, the actinopharynx as usual short. Siphonoglyphe? Anatomical decription: The apertures of the physa are surrounded by circular muscles. At the aperture in the m
. The Danish Ingolf-Expedition. Scientific expeditions; Arctic Ocean. 50 ACTINIARIA The statement of Danielssen, that the capituluni has suckers, is not correct. The tentacles were i6 in the specimen from Great fiord, Wijde bay and in the examined type-specimen; the specimens from Greenland had only 13, resp. 15 tentacles. The specimen from Wijde bay (PI. i, fig. 11) showed a neomorphose (Carl- gren 1904 p. 458). The oral disc is small, the actinopharynx as usual short. Siphonoglyphe? Anatomical decription: The apertures of the physa are surrounded by circular muscles. At the aperture in the mesogloea there is an annular wall of the epitheHum (whether of the ectoderm or of the endoderm I cannot decide, the epithelium not being well preserved).This wall probably forms a movable stop- Textfigs. 50—51. Edwardsia vitrea. Section of a central aperture in the physa fig. 50 through the middle part fig. 51 through the rim. cm. circular 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 Ingolf (Cruiser); Danish Ingolf-Expedition (1895-1896). Copenhagen : H. Hagerup
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscienti, bookyear1921
