712 



Dulichia 



2^ Joint nan'ow. Peraeopods 3 — 5 veiy slender and long; peraeopod 5 

 scarcely longer than the 2 preceding, its 6*^ Joint much longer than the 

 5*^, slightly expanded at base and armed with a row of strong sptnes. 

 üropod 2, peduncle more than half as long as peduncle of uropod 1. Colour 

 pellucid, pale yellowish. L. 5 mm. 



Arctic Ocean, North- Atlantic, North-Sea and Skagerrak (Lofoten Islands: South- 

 and West-Norway). Depth 188 — 565 m. 



8. D. falcata (Bäte) 1857 Dyopedos falcatus, Bäte in: Ann. nat. Hist., ser. 2 v. 19 

 p.l51 I 1862Dttiic/iia/aZcato, Bäte, Cat.Amphip.Brit. Mus., p.348 t. 54 f. 10 i 1876 D. /"., 



A. Boeck, Skand. Arkt. 

 Amphip., V. 2 p. 652 t. 29 

 f.l011894D./".,G.O.Sars, 

 Crust. Norway, v. 1 p. 640 

 t.231 f.l i 1893 D.porreda 

 (part.), A. DellaValle in: 

 F. Fl. Neapel, v. 20 p. 322. 



Fig. 126. D. falcata, (J. Lateral view. 

 [After G. 0. Sars.] 



Body (Fig. 126) 

 slender, long, smooth. 

 Head somewhat pro- 

 duced in front. Side- 

 plate 1 very small, quad- 

 rate, 2*^ rather larger in ö than in 9 , slightly bilobed. 

 Eyes very large, rounded, dark red. Antenna 1 slender, much 

 longer than the body; flagellum subequal to ultimate Joint 

 of peduncle, 5-jointed; accessoiy flagellum minute, 3-jointed. An- 

 tenna 2 much shorter, like the P* slender and feebly setose; 

 flagellum shorter than ultimate Joint of peduncle. Gnathopod 1, 

 5*^ Joint longer and stouter than the narrowly oval Ü^^, which is 

 setose on both margins. Gnathopod 2 in d, 2*^ Joint expanded 

 in front to a rounded distal lobe, 5*^ rather longer than broad, 

 6*^ forming near the base a contorted outstanding thumb-like 

 process, the acute apex of which meets the point of the finger; the 

 slightly concave remainder of the long palm running parallel with the 

 convex front mai'gin and ending in a sharp tooth near the tubercle of 

 the finger. Gnathopod 2 in 9 , 5*^ Joint rather shorter than 6*^, dilated 

 at middle of bind margin, otherwise resembling gnathopod 1. Peraeo- 

 pods 1 and 2, 2^ Joint scarcely expanded. Peraeopod 5 notably 4onger than 

 peraeopods 3 and 4; its 5*^ Joint much ionger than the 6*^ Uropod 1, 

 peduncle nearly smooth. Uropod 2, peduncle fully half as long as peduncle 

 of uropod 1. Colour whitish, pellucid, with dark claret-red markings. L. 6 — 8 mm. 



Arctic Ocean, North-Atlantic, North-Sea and Skagerrak (Moray Firth; from 

 Christianiafjörd to Vadsö [Norway]). Depth 37 — 94 m. 



9. D. porrecta (Bäte) 1857 Dyopedos porrectus., Bäte in: Ann. nat. Hist., ser. 2 

 V. 19 p. 151 I 1862 Dulichia porrecta. Bäte, Cat. Araphip. Brit. Mus., p. 348 t. 54 f . 9 | 

 1876 D. p., A. Boeck, Skand. Arkt. Amphip., v. 2 p. 658 t. 30 f. 2. 3 | 1893 D. p. (part.), 

 A. DellaValle in: F.Fl. Neapel, v. 20 p. 322 t. 55 f. 12 | 1894 D. p., G. 0. Sars, Crust. 

 Norway, v. 1 p. 637 t. 229. 



Body smooth, much more slender in ö than in 9 . Peraeon segment 1 

 much shorter than the rest. Head somewhat produced. Side-plate 1 small, 

 quadrate, 2^ larger in -ö than in 9 , the rest very small. Eyes rather large, 



