. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. Fig. XLVin. Cladocarpui bictispis from "Iiigolf" Ht. gS. n Basal part of a hydrocladium with its phylactogoniuni (X 4°). * Side view of a hydrotheca (X 60). -- c Front view of a hydrotheca (X 60). more strongly developed in Cladocarpus hicuspis (fig. XLVIII) than in the species mentioned, and their appearance is the more striking from their marked incurvation, which renders the median sinus more prominent. The strong S-shaped septum is suggestive of Cladocarpus sigiiia AUmann; on
. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. Fig. XLVin. Cladocarpui bictispis from "Iiigolf" Ht. gS. n Basal part of a hydrocladium with its phylactogoniuni (X 4°). * Side view of a hydrotheca (X 60). -- c Front view of a hydrotheca (X 60). more strongly developed in Cladocarpus hicuspis (fig. XLVIII) than in the species mentioned, and their appearance is the more striking from their marked incurvation, which renders the median sinus more prominent. The strong S-shaped septum is suggestive of Cladocarpus sigiiia AUmann; on the other hand, the inner longitudinal abcladial keel seems to be without parallel in the genus. The phylactogonia are dichotomically branched, the ramification does not alwa\s take place once only, as in the one shown (fig. XLVIII a\ but as a rule two or three times, so that we have three or four terminal branches. The gonothecce shown by G. O. Sars (1874 pi. 2, fig. 8) are not yet fully grown. The full-grown gouotheca presents the same typical appearance as the remaining north- ern Cladocarpus species, with a much more strongly developed upper lip domed out over the open- ing; it is here as strongly developed as in Cladocarpus Diana. Cladocarpus bicuspis is altogether a rare species in the regions investigated (fig. XLIX) and as it does not seem to have been found at all elsewhere, its true habitat is still a matter of doubt. In the northern waters, the species belongs to the typical visitors from the warmer atlantic waters, being previously known only from between Stavanger and Trondhjem Fjord on the west coast of. 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
