. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. Fig. XIV a—/;. Hahxmin scutum, a. Interiiodiuni and secondary hydrotheca. Davis Strait 100 fathoms (X 60). b—e. Gonothecse from a colony (9) in Kara sea (> 30). f—h. Gonothecse from a colony (9) in Davis Strait depth 100 fathoms (X 30). Every gonotheca contains fully developed planula larvae. The material includes several specim- ens of Halecium scutuvi which had previ- ously been determined as Halcciioii Bcauii\ this shows, that extreme caution should be observed in dealing with record
. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. Fig. XIV a—/;. Hahxmin scutum, a. Interiiodiuni and secondary hydrotheca. Davis Strait 100 fathoms (X 60). b—e. Gonothecse from a colony (9) in Kara sea (> 30). f—h. Gonothecse from a colony (9) in Davis Strait depth 100 fathoms (X 30). Every gonotheca contains fully developed planula larvae. The material includes several specim- ens of Halecium scutuvi which had previ- ously been determined as Halcciioii Bcauii\ this shows, that extreme caution should be observed in dealing with records in literature of the last-named species, the occurrence of which under arctic conditions is, as above -^ ^ mentioned, doubtful. Halecium scutitiii, on the other hand, is an arctic character form, with cncuni- polar distribution. In the waters investigated (fig. XV) it is found in the lower part of the littoral region, but quite exceptionally, as at the Faroe Islands, does it penetrate to any considerable extent into the warmer boreal waters. Halecium curvicaule v. Lorenz. 1886 Halecium curvicaule, v. Lorenz, Polypomedusen von Jan Mayen, p. 25, pi. 2, figs. 1—2. Colonies creeping or upright, with irregular, more rarely almost dichotomic ramification, mono- siphonic hydrocaulus. Hydrotheca: terminal: the next hydrotheca stalk or branch internodium proceeds 6 The Ingolf-Expedition. V. 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 Danish Ingolf-Expedition (1895-1896); Københavns universitet. Zoologisk museum. Copenhagen H. Hagerup
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Keywords: ., bookcentury1800, bookdecade1890, booksu, booksubjectarcticregions
