532 Guernea 



larger than 6*. Pleou segment 3, postero-iateral corners rounded. Eyes 

 round. Antenna 1 in 9, 1^^ Joint stout, not rauch longer than 2*^, 

 3*^ Short, flagellum shorter than the short peduncle, 7-jointed, in ö V^ Joint 

 of peduncle shoi-ter than 2'^, flagellum rather longer than peduncle, about 

 9-jointed. Antenna 2 in 9 equal to antenna 1, ultimate Joint of peduncle much 

 narrower and shorter than penultimate, flagellum 8- or 9-jointed, in ö 

 ultimate and penultimate joints of peduncle subequal, flagellum sleuder. 

 Upper lip flatly rounded, smooth. Lower lip, principal lobes with au acute 

 apex, inner lobes prominent, mandibular processes obsolete. Maxilla 2, inner 

 plate with well rounded apex. Gnathopod 1, 2'^ Joint very narrow and bent 

 at the base, 5*^ Joint a little shorter than 6^^, 6*^1 decidedly longer than 

 broad, widening a little distally, palm scarcely oblique, well defined, a little 

 convex, finger shutting closely upon it. Gnathopod 2 similar, but base of 

 2^ Joint little beut, less narrow, 5^^ rather longer than 6*^», 6**^ longer and 

 less widened than in gnathopod 1. Peraeopods 1 and 2, 6*^ Joint narrower 

 but longer than 5*^ Peraeopod 3, 2*^ Joint greatly expanded below, bowed 

 out in front, 4*^^ rather dilated, following joints sleuder. Peraeopod 4, 2*' Joint 

 much smaller, piriform, widest above, other joints nearly as in peraeopod 3. 

 Peraeopod 5, 2*^ Joint veiy large. straight in front, very convex behind, 

 narrowed below, 4*^ and ö*"* expanded, with setae on both margins, Ö**' very 

 slender. The hexagonal markings of the iutegumeut are very couspicuous 

 on the expansion of 2*^ Joint in peraeopods 3—5. üropods 1 and 2 rather 

 small, rami shorter than peduncle, inner ramus shorter than outer, each 

 tipped with a spine. Uropod 3, rami equal, not long, but longer than peduncle, 

 smooth in 9, with plumose setae in ö. Telson ovate, cleft almost to the 

 base. Colour yellow with red and greenish dots. and bauds. L. 1*25 — 2 mm. 



North-Atlantic and North-Sea (Shetland ; Moray Eirth; Firth of Clj'de; Irish 

 sea; Croisic; Saint- Jean-de-Luz); Mediterranean (Cannes; Naples). 



2. G. nordenskiöldii (H.'J. Hansen) 1887 Prinassus n., H. J. Hausen in: 

 Yid. Meddel., ser.4 n9 p.82 t.2 f.7; t.3 f. 1 ] 1890 Guernea coallta (part.)?, T. Stebbing 

 in : Ann. nat. Hist., ser. 6 u 5 p. 193 1 1893 G. c. (part.), Chevreux «& E. L. ßouvier in : Ann. 

 Sei. nat., ser. 7 v. 15 p. 123 | 1893 G. c. (part.), A. Della Yalle in : F. Fl. Neapel, v. 20 p. 572. 



Like G. coalita (p. 521), but distinguished as foUows. Pleon segments 4—6 

 more strongly carinate, the Compound segment not dorsally depressed or 

 serrate. Antenna 1, flagellum 6-jointed; antenna 2, 

 flagellum 3-jointed. Gnathopod 1, 6*^ Joint scarcely 

 longer than broad, much widened to the rather oblique 

 ' c palm, 6*^ Joint in gnathopod 2 rather longer but 

 ap Y""\~,Y \ otherwise nearly as in gnathopod 1. Peraeopod 5 with 

 2<^ Joint narrower below than above, but still broadly 

 rpae -J^ ^^ roundcd below. L. 3*3 mm. 



Davis Strait (Sukkertoppen, depthllSm, and Christians- 

 haab, depth 28 — 56 m [Greenland]). 



G. flindersi (Stebb.) 1888 Dexamine f., T. Stebbing 

 in: Rep. Voy. Challenger, f. 29 p.946 t.l87c [ 1893, A. Della 

 Valle in: F. Fl. Neapel, t!.20 p. 578. 



Flg. 92. fit 



G. flindersi. Perhaps to be referred to an independent genus. 



MaxiUiped. Maxillipeds (Fig. 92), inner plates rudinientary, outer very 



large, completely covering the 4-jointed palp, seemingly fiised 



in the basal half, then armed each with 3 or 4 interlocking spine-teeth and finally 



serrate and armed with 5 long curved spines; finger of palp very small. L. very small. 



Flinders Passage [East-Australia]. Depth 15 m. 



