Muiioeulodes 263 



shorter tban peuultimate, flagellum iu o as loug as those 2 combined. Gnatho- 

 pod 1, process of 5*^ joiüt short, broad, scarcely reaching defining point of 

 oblique palm, which is scarcely louger tlian bind niargin of oblong oval 6"' Joint. 

 Gnathopod 2, process of 5^'^ Joint about or scarcely reacliing palm of 6*'^ 

 Joint, which is about 3 times as long as broad, a little expanded at palm. 

 Peraeopods 1 and 2, 2"^ Joint curved, 2*^, 4^'' and 5**' distally expanded, 5*1' short, 

 setose, finger not quite so long as Ö^^. Peraeopods 3 and 4, finger as long as 

 6*1' Joint. Peraeopod 5 very long, 2^ Joint pirifonn, 5*i' Joint longer than 4**'. 

 Telson rounded, quadrangular, apical margin slightly insinuated. Colour 

 yellowish white, head reticulated and back transversely striped with dark 

 brown. L. Q 10 mm. 



Arctic Ocean and N^ortli-Atlantic (Spitzbergen, Greenland, Siberian Polar Sea, 

 Norway, Scotland). 



9. M. Schneider! O. Sars 1895 M. s., G. 0. Sars, Crust. Norway, v. 1 p. 692 

 t. VI f. 1. 



Tntermediate between M. tesselatus (p. 264) and M. borealis. Body 

 rather slender, pleon segments 1 — 3 scarcely carinate. Frontal process 

 moderately large with abruptly deflexed rostrum, apex acute, not reaching 

 apex of 1^* Joint of antenna 1. Side-plates rather small, 1^* pair little expanded, 

 lower bind corner of 4^^ well produced. Eyes very large and protuberant, 

 red, placed at geniculation of head. Antenna 1 reaching end of peduncle of 

 antenna 2, 1*** Joint of peduncle a little longer than 2*^, flagellum shorter 

 than peduncle, 8-joiuted. Antenna 2 in g , ultimate and penultimate joints of 

 peduncle subequal, togetheraslongas flagellum. Gnathopod 1, process of 5*'' Joint 

 broad, reaching ill-defined palm of rather small oval 6^^ Joint. Gnathopod 2, 

 process of 5*i» Joint reaching palm of 6*'', which is scarcely 3 times as long as 

 it is broad. Peraeopods 1 and 2 rather stout, 5*'' Joint little expanded, subequal 

 in lengtli to 6*i', tinger nearly as long. Peraeopods 3 and 4, finger as long as 

 6*1' Joint. Peraeopod 5 very long, 2'^ Joint very broad, irregularly round, 

 5*1' Joint shorter than 4*1*, 6*i' or ?*•'. Telson quadrangular, apical margin 

 very slightly insinuated. Colour variegated with alternating irregulär patches 

 of dark brown. L. Q 6 mm. 



Arctic Ocean (Tromsö). Depth 13 — 19 m. 



10. M. crassirostris H. J. Hansen 1887 M. c, H.J.Hansen in: Vid. Meddel., 

 ser. 4 V.9 p. 108 t. 4 f. 5— 5f [ 1889 M. carinatus?, Ä. M; Norman in: Ann. nat. Hist., 

 ser.6 v.'d p.450 I 1893 Oediceros affinis (pari.), A. DellaValle in: F. Fl. Neapel, u20 p.548. 



Frontal process short, arched as to upper margin, lower nearly straight, 

 apex acute, not reaching apex of 1^* Joint of antenna 1. Side-plate 1 distally 

 somewhat expanded. Eyes on the bend of the head, large. Antenna 1 

 short, 2^ Joint a little shorter than 1^*, flagellum short, about S-jointed. 

 Gnathopod 1 robust, process of 5*i' Joint broad and rather long, 6*i' Joint 

 quadrangular oval, palm ill-defined, furnished with simple setae, finger touching 

 process of 5*i' Joint. Gnathopod 2, the long slender process of 5*i' Joint 

 produced beyond the short palm of 6*1' Joint, which is 5 times as loug as 

 its middle width, broadest near base. Peraeopods 1 and 2 short, setose, 2'*, 

 4*1' and 5*i' joints rather dilated, 6*i' scarcely as long as 5*i', finger short, very 

 slender. Peraeopod 3, 2^ and 4*i' joints broad, 5*i' much shorter than 4*1", 

 finger only half length of 6*i'. Peraeopod 5, 2*1 Joint much expanded. as 

 broad as loug. Telson subrectangular. corners rounded, apical margin insinuate. 

 Colour whitisb, each segment transversely banded with red-brown. L. 8 mm. 



Arctic Ocean (Greenland). 



