. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. 28 CROSTACEA MALAC'OSTRACA VIII (AMPHIPODA IV) 1. c. mainly in the accessory flagellum being not longer than first joint of flagellum, but only half as long, A male, nun, was described by Schellenberc; 1. c, but without figures. Distribution. Baffin Bay 71°10'N, 58°56'W, 400 m, clay (type-locality; ). West Greenland 66°35'N, 55°54' N, 166 m, 1°6 ("Ingolf" St. 31: ll-VII-1895), 1 ovigerous ? 4 mm. defective (antenna 1 and pereiopods 5-7 lost, but uropod 3 longer
. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. 28 CROSTACEA MALAC'OSTRACA VIII (AMPHIPODA IV) 1. c. mainly in the accessory flagellum being not longer than first joint of flagellum, but only half as long, A male, nun, was described by Schellenberc; 1. c, but without figures. Distribution. Baffin Bay 71°10'N, 58°56'W, 400 m, clay (type-locality; ). West Greenland 66°35'N, 55°54' N, 166 m, 1°6 ("Ingolf" St. 31: ll-VII-1895), 1 ovigerous ? 4 mm. defective (antenna 1 and pereiopods 5-7 lost, but uropod 3 longer than prp. 1; 6th joint oval, with finger closing up on inner surface; palm near finger hinge with a triangular process, then follows a notch; palm defined by three spines on inner side of hand. Pereiojjods 3-4 rather slender. Pereiopods 5-6 (7 is lost) increasing in length, with second joints very narrow, over twice as long as they are broad, and fingers long. Epimeral plate 3, lower hind corner rounded. Uropod 1, rami equal in length and a trifle shorter than peduncle; outer ramus naked, inner ramus with a spine near the middle. Uropod 2, inner ramus as long as. Fig. 20. Ischyrocerus hanseni. typical). North of Spitsbergen 81°20' N, 19° E, 1000 m (Schellen- berc; 1. c). Two specimens from 78°15'5 N, 73°29' W, 290 m, with some doubt referred to this species by K. Stephensen 1933, p. 49 (Meddel. om Gronl., vol. 79, no. 7), belong in reality to I. brusih" i Gurj. (see below, p. 33). 336. Ischyrocerus hanseni n. sp. (Fig. 20). Occurrence: 64°24' N, 28°50' W, 1484 m, 3°5. "Ingolf" St. 10: 20-V-1895. 1<J(?). Description of .£(!), ($ unknown). On the body nothing is noteworthy. Head a trifle longer than the two first segments combined, or as long as first joint of antenna 1; lateral lobes very acute; no eyes. Antenna 1 as long as head + meso- some; second and third joints subequal in length; flagellum longer than third joint, 6-articulate, third
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