3Iotialuropus, Melita 421 



taan 6*^, wideniug distally, 6*^ Joint not more than half as broad, witli 

 palm nearly as in gnathopod 1, but more defined and rather shorter. Gnathopod 2 

 in ö, 5*'' Joint shorter and not much broader than 6^^, which is long oval, 

 palm ill-detined. Peraeopods 1 and 2, 2"^ Joint bent, distally widened. Peraeopods 

 8 aud 4, 2'^ Joint wider below than above, 4*'» Joint wide, longer than any 

 (»f the following joints. Peraeopod 5, 2'^ Joint well expanded, produced behiud in 

 rounded lobe below th« ^^ Joint, 4*^ — 7*'' joints elongate, and except the 4*^slender. 

 Uropod 1. rami equal, shorter than peduncle. Uropod 2. rami unequal. 

 üropod 3, the broad rami setose in d. Telson much longer than broad. 

 the convex outer raargin of each lobe fringed with setules. Colour variegated 

 with crirason, orange, and white. 1.. 4—5 mm. 



Kattegiit; North-Sea (Holland, Firth ot'Foitli); Fiith of Clydo; Liverpool Bay; 

 English Channel, Bristol Channel (Devon, Jersey); (hilf <>t' Xaplos. Siirfuce and various 

 depths to 36 ni. 



•^». (ich. Melita Leach 



1813/14 MdUa (S|.. im.: M. jxtliiuiia). Leach in: Edinb. Enc, e.l p. 403 1876 

 M.. A.Boeck. Skand. Arkt. Amj-hip.. r.2 p. 384 ' 1893 M., A. Della Valie in: F.Fl. 

 Xcaix'l. r. 20 p. 707 18!>4 M, G- () Sar.s. Ciust. X.uway. /•, 1 p. 507 ; 1875 Paramoera 

 (part,), Miers in: Ann. iiat. lli.sf.. .scr. 4 r. l'i p. 75. 



Body slender, penieon sraooth, pleon usually with 1 or more of the 

 Segments dorsally dentate and armed with bristles. Head not i'ostrate, lateral 

 Corners rounded. Side-plate 4 the largest, emarginate behind. Eyes usually 

 distinct, rather small. Antenna 1 slender, longer than autenna 2, 1^* and 2^ 

 joints ratber long, 3*^ not sh ort, with accessory flagellum. Mouth-parts, so far 

 as known. normal. Upper lip with small central emargination. Lower lip, 

 inner lobes tolerably distinct. Mandibular palp rather slender, Maxiila 1, 

 inner plate with several setae, outer with 11 spines, Maxiila 2, inner plate 

 sometimes with setae ou inner margin, Maxillipeds, outer plates with teeth 

 on inner margin. passing into slender spines on apex, Gnathopod 1 small, 

 subchelate. Gnathopod 2 larger, often unequal, and one in the ö sometimes 

 much larger than the other, sometimes approximately chelate. Peraeopods 3 — 5. 

 2^ Joint well expanded, Peraeopods 4 and 5 subequal. louger than others. 

 Branchial vesicles simple, Marsupial plates narrow. Uropod 2 the shortest. 

 Uropod 3 projecting much beyond the others, outer ramus long, 2*^ Joint 

 wanting or rudimeutary, inner ramus very short. Telson small, deeply cleft. 

 Some characters subject to much Variation within the species. 



12 accepted and 7 doubtful species. 



Synopsis of accepted .species: 



) Without eyes 1. M. pallida p. 422 



) With eyes — 2. 



f Eyes scarcely pigmeuted 2. M. quadrispinosa . p. 422 



] Eyes darkly pigmented — 3. 



) GnathoiJod 2 in (5, one of the pair chelate . 3. M. fresnolii .... p. 423 



) Gnathopod 2 in cj subchelate — 4. 



j No pleon segment dorsally dentate — 5, 



) At least 1 pleon segment dorsally dentate — 6. 



Peraeopods 3 — 5 slender 4. M. nitida p. 424 



Peraeopods 3—5 rather strongly built . . . . 5. M. pellucida . . • . p. 424 



I Pleon segment 4 not dentate 6. M, coroninü . . . . p. 424 



\ Pleon segment 4 dentate - 7. 



M 



