188 Proboloides 



sti'aight, fringed with setules, ünger as long as 6*^ Joint, witli setules on- 

 inner margin. Peraeopod 3, 2^ Joint naiTow, 4*^^ scarcely widened distally. 

 Peraeopods 4 and 5, 2^ Joint widely expanded, 4^^ moderately produced. üropod 1, 

 rami equal. one with 2. the other with 4 spines. üropod 2, outer ramus 

 shorter than inner, with 1 spine. üropod 3, ramus with 2 lateral spines, 

 2*^ Joint shorter than 1^^ Telson with 1 pair of minute and 2 pairs of 

 stout lateral spines. L. less than 5 mm. 



Bay of Biscay. Depth 950 ni. 



2. P. erenatipalmatus (Stebb.) 1888 Metopa crenaüpalmata, T. Stebbing in: 

 Rep. Voy. Challenger, r.29 p. 759 t.42 [ 1893 M.c, Proboloides erenatipalmatus, A. Della 

 Valle in: F. Fl. Xeapel, «7.20 p. 907, 945. 



Head, lateral corners very obtuse. Side-plate 4 scarcely equal to 2^ and 

 3* combined. Pleon segment 3, postero-lateral corners subquadrate. Eyes round. 

 Antenna l, 1^* Joint not longer than 2*^, flagellum longer than peduncle,. 

 about 12-jointed; perhaps a rudimentary accessory flagellum present. Antenna 2,. 

 ultimate Joint of peduncle slightly longer than penultimate, flagellum 8-jointed. 

 Mandibular palp with 2*^ Joint long, 3*^ scarcely longer than 1'*^ carryiug 

 1 or 2 apical setac. Gnathopod 1, 4*^'^ Joint not much produced, apically 

 spinöse, 5*^ uearly as long as 6*'^ and rather broader, palm of 6*^ oblique,. 

 finely crenulate, finger finely pectinate on inner margin. Gnathopod 2^ 

 5*^ Joint cup-like, 6**^ oblong oval, palm crenulate in 2 divisions, rather 

 oblique, deflned by a shai'p tooth, finger broad, smooth on inner margin. 

 Peraeopod 3, 2*^ Joint distally lobed behind, 4**^ broad, a little decurrent. Peraeo- 

 pods 4 and 5, 2'^ and 4^*^ joints expanded, 4^*1 moderately decurrent. üropod 3, 

 peduncle a little shorter than ramus, with 4 spines: 2^ Joint of ramus 

 rather longer than 1^*. Telson long oval, obtusely pointed, 3 spines ou 

 each margin. L. Q 6 mm. 



Strait of xMagellan (Cape Virgins). Depth lüO- 270 m. 



8. P. bruzelii (Goes) 1866 Montagua b., Goes in: Öfv. Ak. Förh., v. 22 p. 522 

 t. 38 f. 10 1886 Metopa b., G. O. Sars in : Norske Xordhavs-Exp., v. 6 Crust. II p. 48 ) 

 1887 M. b. (pari.). H. J. Hansen in: Vid. Meddel., ser. 4 r. 9 p. 97 t. 4 f. 2c, d | 1892 

 M. b., G. O. Sars, Crust. Norway, i: 1 p. 261 t. 92 f. 1. 



Body slender and rather compressed. Head, lateral corners angular. Side- 

 plate 4 much larger than 2'^ and 3^ combined. Pleon segment 3, postero-lateral 

 angles rather acute than quadrate. Eyes round, dark red. Antennae 1 and 2 sub- 

 equal. Antenna 1. P*^ Joint longer than 2*^ and 3*^ combined, flagellum longer than 

 peduncle, about 12-jointed. Antenna 2, ultimate and penultimate joints of peduncle 

 subequal, and together subequal to flagellum. Maxilla 1 (Goes) with 2-jointed 

 palp, 1^* Joint large. Maxillipeds (Goes), inner plates rather small, separate^ 

 outer quite obsolete. Gnathopod 1, 4*^ Joint rather broadly produced, 6*^ 

 narrower than 5*^', equal to it in length, tapering distally, smooth. Gnatho- 

 pod 2. 6^^ Joint oval, palm quite smooth, rather oblique, deflned by a slight 

 angular projection and 2 spines; alike in d and 9, but larger in ö. 

 Peraeopods 2 — 5 rather stout, 2^ Joint broadly expanded in peraeopod 5,. 

 and 4*^ produced below the middle of the 5^^ üropod 3, peduncle nearly 

 as long as ramus, with 4 spines, 2^ Joint of ramus uearly as long as l''*. 

 Telson long oval, tapering to acute apex, 2 pairs of lateral spines (Sars), 

 3 pairs and a blunt apex (Goes). Colour whitish, with a few orange patches; 

 ova bluish. L. 4 mm. 



Arctic Ocean and North -Atlantic (Spitzbergen, Greenland, Xorway). Depth 

 56—113 m. 



