. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. 42 CRUSTACEA MALACOSTRACA VIIT IAMPHIPODA IV) joint has a "wing" along the fore margin, it is, however, much narrower than in pereiopod 2^; 5th joint rather short, a trifle shorter than 6th joint; dactylus setose at the concave side. Pereiopods 3-4 in both, sexes, second joint elliptical, maximal breadth about two fifth the length; in pereiopod 3 second joint is about as long as 4th and 5th joints together, in pereiopod 4 it i- , times the length of 4th joint; 4th joint somew


. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. 42 CRUSTACEA MALACOSTRACA VIIT IAMPHIPODA IV) joint has a "wing" along the fore margin, it is, however, much narrower than in pereiopod 2^; 5th joint rather short, a trifle shorter than 6th joint; dactylus setose at the concave side. Pereiopods 3-4 in both, sexes, second joint elliptical, maximal breadth about two fifth the length; in pereiopod 3 second joint is about as long as 4th and 5th joints together, in pereiopod 4 it i- , times the length of 4th joint; 4th joint somewhat broader than the following joints. Pereiopods 5-6 <J and § subequal in length, somewhat shorter than pereiopod 7; second joint in eiopod 6 shorter than in prp. 5 and 7. and in breadth equal to the same joint in prp. 7, but narrower than in prp. 5. The 61°50'N, 56°21'W, 2702 m, 1°5. "Ingolf" St. 36: 28-VII-1895. A few specimens up to 5 mm (($, $; and a few juv., belonging to the same species?). 6017'N, 54°05'W, 3229 m, 1°4. "Ingolf" St, 37: 29-VII-1895. 1 cJ, 6 mm (type). The few <$,$ in the material are rather defective (antenna? 1-2 and several other appendages are lost); but in all of them pereio- pods 1-2 and uropoda are kept. Description of <$, about 6 mm, from St. 37 (Fig. 30). Body rather slender, smooth. Head shorter than the two first segments. Fig. 30. Dulickia abyssi <J. "Ingolf" St. 37. uropods are said by Sars to have the usual structure. Uropod 1, length ratio of rami and peduncle: 6:5:4; in uropod 2 the length ratio is: 9:6:4; peduncle of uropod 1 about twice the length of peduncle of uropod 2; both of the uropods are spinulose. There is no marked sexual difference in the uropods. Distribution. The deep Polar Basin: 62°44'X. 1 18' E, 733 m, - 1°0, clay; 63°10' N, 5°0'E, 763 m. -M°0, sabulous clay; and 71°25' X, 1541' E, 1134 m, -f- TO, clav (type-localitie.; G. 0. Sars 1. c). 352 Dulichia nordlandica Boeck.


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Keywords: ., bookcentury1800, bookdecade1890, booksu, booksubjectarcticregions