. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. Kig. 23. Acanthogorqia nrmaUi Vcrrili. ii-<j, roronai scieritos. c, of about usual maximum size, h, srleritvs of zooid body in natural position, dotted liuR inilirates the attarhnient of tlio mesonterips. sjiecimen the zooids arc liki-wis*' crow<lcil from the liasc to the tip of the colony. The zooids are cylindrical, slightly widened at the corona, and measure with contracted tentacles jjenerally 0-7 nnn in length l)y mm in width, their ajipearance then as shown in Ver- RlLLs
. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. Kig. 23. Acanthogorqia nrmaUi Vcrrili. ii-<j, roronai scieritos. c, of about usual maximum size, h, srleritvs of zooid body in natural position, dotted liuR inilirates the attarhnient of tlio mesonterips. sjiecimen the zooids arc liki-wis*' crow<lcil from the liasc to the tip of the colony. The zooids are cylindrical, slightly widened at the corona, and measure with contracted tentacles jjenerally 0-7 nnn in length l)y mm in width, their ajipearance then as shown in Ver- RlLLs figures ( pi. 3 fig.'i. 1, 1 a). They may measure uji to H .onding to the figured bv in ])1. 3 fig. \h. In the zooid Iwdy the .s<'lerites are long, slender, .spinous, |M'id mm at the middle, and cor- responding measures weri' given by \°errim, (1KH3 p. 33). Tlic largest measured spindle of this type measured about In the up]>er [lart of the zooiil there is in distinct iteck region, hut in some zfKiids the .sclerites below the corona may be .some- what shorter, not so cur%ed and more transversally arranged thjiti tlwi-^'- i>r tin- main 7ri(ilil bitilv The corona is formed by some long, jjrojecting coronal scle- rites ill each interse])tal row below the tentacles, arranged en chevron as of the main zooid body and generally bent in a similar manner with the one ray strongly warty and the other, much longer and ]irojecting one, the socalled .sjiine, generally smooth in it-s whole length (fig. 23 c <eptal row and generallv a few much shorter and often straight ones may be found besides (fig. 23 a-c), and similiir ones occur also at thi' base of the tentacles. The tentacles are rather short with only liali' a dozen pairs of pinmilae and by contraction bent down over tile peristome. Their dorsum is .strongly armed, in the lower parti with curved, spinous spindles (fig. 24 a, b) arranged en chevron, maximum size about mm
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Keywords: ., bookcentury1800, bookdecade1890, booksu, booksubjectarcticregions
