. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. Onio: Xeniidea \\ ()(*K 1938. This order toiiiprisfs soft fleshy Ottoc-oruls whii-li have coin- parativelv slow jiowers of coiitrai-tility and iiiainlv by their siiiull, diskdike srlerites arc distinguished from the other f!rou|>s of rteshy Octocorals. In the order only one family is recognize*!. Remarks: It may be noted that Kukenthal (1002, 1906) and HicKsox (1931), as a diagnostic character for this group, use the feature that the zooids only possess one pairâthe dorsal pairâof mesen
. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. Onio: Xeniidea \\ ()(*K 1938. This order toiiiprisfs soft fleshy Ottoc-oruls whii-li have coin- parativelv slow jiowers of coiitrai-tility and iiiainlv by their siiiull, diskdike srlerites arc distinguished from the other f!rou|>s of rteshy Octocorals. In the order only one family is recognize*!. Remarks: It may be noted that Kukenthal (1002, 1906) and HicKsox (1931), as a diagnostic character for this group, use the feature that the zooids only possess one pairâthe dorsal pairâof mesenteric filaments. In Ceralocaulon ivandeU, however, mesenteric filaments are present on all the mesenteries. Kaniilv: Xeniidae \enill 1866. The species of this group are for the part shallow-water and the only two deep-water forms which are known at present, the one occurring in the North-Atlantic Ocean, belong to a special genus. Genus: Ceratocaulon Jungersen 18it2. Uiagnosis: Xeniidea with monomorphic zooids and a distinct stalk free from anthocotliae and surrounded bv a consi)icuous horny or chitinous cuticula. The anthocodiae set in a fairly distinct capitulum and l)eing retractile. Ceratocaulon wandeli Jungerseu 1892. Ceratocaulon Wamleli Jungersen, 1892, p. 234-242, figs. 1â1. Xenia wandeli Kiik«-iithiil, 190'j«, p. 21-22. â â .Mn|iin<ler, 1915, p. 30. t'oratoc-uulon Wandeli Jungersen, 1917, ]). 8-9. Xenia wandeli , 1931, p. I.'vl. Material: 6t; 16' N. 20' \V. 540 m. 661H' X. 25 .59' \V. 621 m, 62 .58' X. - W \V. 731 m, &r58'X. 11 12' W. . m, I colony. 65'20'X. 12 10'\V. ni, I colon V. - 0"2 ('. Wandel. The tvpe s])ecimen. 0°75C. "Ingolf St. 15. 1 colony. -0'^4(.'. -Ingolf St. 143. 1 colonV. 0'38 C. "Michael Sars" St. 96. 0^5 C. (750 m). "Thor" St. 255 (01). : Tentacles with r)idy one row of pinnulae latero- ventral at each side. Xundier of jiinnulne about 20 pairs. The honiv or
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Keywords: ., bookcentury1800, bookdecade1890, booksu, booksubjectarcticregions
