Archive image from page 309 of The Danish Ingolf-expedition (1899-1953). The Danish Ingolf-expedition danishingolfex5bpt5a8daniuoft Year: 1899-1953 HYDROIDA II Campamdaria groenlandica is a circunipolar arctic species belonging to the littoral region. It is undoubtedly of more common occurrence tlian the data to hand appear to show; this is probably owing to its having been confused with Cainpauiilaria Hincksii Alder, the prismatic hydrothec£e of which present a certain likeness to those of Campaintlaria groenlandica. That such confusion has taken place as far as the Norwegian waters are con
Archive image from page 309 of The Danish Ingolf-expedition (1899-1953). The Danish Ingolf-expedition danishingolfex5bpt5a8daniuoft Year: 1899-1953 HYDROIDA II Campamdaria groenlandica is a circunipolar arctic species belonging to the littoral region. It is undoubtedly of more common occurrence tlian the data to hand appear to show; this is probably owing to its having been confused with Cainpauiilaria Hincksii Alder, the prismatic hydrothec£e of which present a certain likeness to those of Campaintlaria 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 Campaniilaria groenlandica moves southward at an\- 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 76°, but along the whole of the west coast, which is its classical ground, it is fairlv common, occurring often in company with Campamdaria volubilis. I-ig. LXXXII. Tinds of Campamtlaria groenlandica in the Northern Atlantic. Campanularia speciosa Clark. 1876 Cainpauitlaria speciosa, Clark, Report on the Hydroids Alaska, p. 214, pi. 9, fig. 11. 1913 Cawpaniilaria viao,/i/ica, Fraser, Hxdrnids from \'aucou\-er Island and Nova Scotia, p. 164, pi. II, figs. 1 — 3. Creeping colonies, from the stolons of which proceed shorter or longer, irregularh- wrinkled or ringed stalks, terminating under the hydrotheca itself in a ball-shaped joint. The large Indrothecce are swollen at the bottom, with gently curving sides, narrowing , but rapidly expandinc distally near the aperture, so that the opening margin curves strouglv outwards. Tht le margin is
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