. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. 37 100' 90" 80* :o* 60" 50" '^O°30°^0â¢|0" 0" 10° ZO" 30" W" M" 60* 70" s. Fig. lis. 'rnu-lniiiiiiiicca ki(l,riithiili iBiuch). On the authority of Broch {1'J35 p. 1-1, footnote), (7. shiniii Keren & Danielssen is included among the synonyms of P. pla- romus, and it ai)]>ears from the original description and Broch's redescription of this form that Broch's point of view in 1935 without doubt is correct. A quite analo
. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. 37 100' 90" 80* :o* 60" 50" '^O°30°^0â¢|0" 0" 10° ZO" 30" W" M" 60* 70" s. Fig. lis. 'rnu-lniiiiiiiicca ki(l,riithiili iBiuch). On the authority of Broch {1'J35 p. 1-1, footnote), (7. shiniii Keren & Danielssen is included among the synonyms of P. pla- romus, and it ai)]>ears from the original description and Broch's redescription of this form that Broch's point of view in 1935 without doubt is correct. A quite analogous memhranous form of Trochymunrpji kukenthdlt will lie deserilied below. JuNGERSEN {1!I17 ]). 20) records P. placomiis from the "Michael Sars" St. 7ti a, b, c ;ind St. 85. However, three of the specimens from the "Michael Sars" St. 76 kept in the Zoological Museum of ('ojienhagen have ])roved to belong to Tnirhj/tiiitriccii kukeiilhdii (Broch) and were also by .JuN( labelled as P. f. kiikenthali. On the other hand, the sjiecimen which JuNUERSEN mentions from the Skagerrak ("'Thor'" St. 297) is a distinct P. plncomux. Distribution: The .species is with (â ertaint\ known to occur along the Scandinavian coast from Lofoten in the north (Bodo) to the Skagerrak in the south. It occurs further in the North- Atlantic Ocean on the Wyville Thomson ridge from the Faroes, south of Iceland to Danmark Strait and on the coast of North America (off New Enulaiid). The species is also reconhMl from south of Ireland, the west coast of France, the ('a]ie \'ei(le, anil the Mediterranean. It seems, iiowexer, to lie ojien In dimlii whether the last-mentioned s])ecimens actually belong t,o the North-Atlantic P. placomns (cf. AuRiviLUt's 1931 ji. 170, and Stiasny 1942 p. 26-27). In the northern jiart of the .\tl;iiitic Ocean and along the Norwe^jiaii coiist /'. iihiconiim, liowever, is a common species. Chart of distrilmtion, lig. 27.
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Keywords: ., bookcentury1800, bookdecade1890, booksu, booksubjectarcticregions
