Archive image from page 165 of The Danish Ingolf-Expedition (1918). The Danish Ingolf-Expedition danishingolfexpe0507ingo Year: 1918 i58 HYDR01DA II Campanularia groenlandica is a circumpolar arctic species belonging to the littoral region. It is undoubtedly of more common occurrence than the data to hand appear to show; this is probably owing to its having been confused with Campanularia Hincksii Alder, the prismatic hydrothecae of which present a certain likeness to those of Campanularia groenlandica. That such confusion has taken place as far as the Norwegian waters are concerned would se
Archive image from page 165 of The Danish Ingolf-Expedition (1918). The Danish Ingolf-Expedition danishingolfexpe0507ingo Year: 1918 i58 HYDR01DA II Campanularia groenlandica is a circumpolar arctic species belonging to the littoral region. It is undoubtedly of more common occurrence than the data to hand appear to show; this is probably owing to its having been confused with Campanularia Hincksii Alder, the prismatic hydrothecae of which present a certain likeness to those of Campanularia groenlandica. That such confusion has taken place as far as the Norwegian waters are concerned would seem to be beyond doubt; we find here, that Campanularia groenlandica moves southward at any rate as far as Trondhjem Fjord (fig. LXXXII). The species has once or twice been encountered off the east and west coasts of Iceland; on the east coast of Greenland it has not been met with south of 760, but along the whole of the west coast, which is its classical ground, it is fairly common, occurring often in company with Campanularia volubilis. 2 00 rn. bvom. , 1000 m. laoom. Fig. LXXXII. Finds of Campanularia groenlandica in the Northern Atlantic. Campanularia speciosa Clark. 1876 Campanularia speciosa, Clark, Report on the Hydroids .... Alaska, p. 214, pi. 9, fig. 11. 1913 Campanularia magnifica, Fraser, Hydroids from Vancouver Island and Nova Scotia, p. 164, pi. n, figs. 1-3. Creeping colonies, from the stolons of which proceed shorter or longer, irregularly wrinkled or ringed stalks, terminating under the hydrotheca itself in a ball-shaped joint. The large hydrothecse are swollen at the bottom, with gently curving sides, narrowing upwards, but rapidly expanding again distally near the aperture, so that the opening margin curves strongly outwards. The margin is
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