lelmopiis, Anonyx 53 



into a Short tooth, segment 3 with the bind coruers toothed and uptunied, 

 and the margiu above bowed out. Eyes reniform, larger in d, deep red. 

 Antenua 1 in § , aboiit ^3 length of body, longer in d, 1*** Joint stout, with 

 sliort but conspicuous dentiform process, 2^^ and 3<i joints very short, flagelluiu 

 in d with more than 60 joints, none very large, accessory flagellum 10-jointed. 

 Antenna 2, in Q a little, in d much, longer than antenna 1, ultimate Joint of 

 peduncle scarcely shorter than penultimate. Both pairs of antennae in both 

 sexes have numerous calceoli. Gnathopod 1, (y^^ Joint slender, tapering. 

 uarrower but not much shorter than 5*^, finger evenly curved, with bunch 

 of delicate spinules on inner side of base (Sars), subapically strongly curved, 

 and below armed with 6 or 7 pointed spinules (Heller). Gnathopod 2 nearly 

 twice as long as gnathopod 1, 6*^ Joint oval, half as long as 5*^, not apically 

 produced, finger minute on the centre of the hand's apex (Fig. 10). Peraeo- 

 pod 5 nearly twice as long as peraeopod 3. üropod 2, the rami unequal, 

 the inner the shorter, with a constriction in which a spine is planted. 

 (Tropod 3, rami much longer than peduncle, outer the longer, with distinct 

 terminal Joint. Telson twice as long as broad, cleft beyond the middle, 

 a spinule at each apex. Colour light greenish, a crimson tinge at each 

 extremity. L, 12 — ^17 mm. 



Arctic Ocean, North-Atiantic aml Xorth-Sea ( West-Norway) ; Meiliterranean; 

 .Java Sea (lat. 3" S., long. lO?» E.). 



2. I. taurus A.Costa 1853 I. t., A.Costa in: ßend. Soc. Borbon., n. ser. i:.2 

 1». 172 I 1857 I. t, A. Costa in: Mem. Acc. Xapoli, v.l p.l89 t, 1 f. 3 | 1893 I. t. (part.), 

 A.DellaValle in: F. Fl. Neapel, ».20 p. 801 t. 3 f. 1; t. 27 f.' 1—22 | 1866 Lysianassa 

 longicornis (part. : $, non c5!), F. Grube in: Arch. Xaturg., «. 32i p. 396 t. 9 f. 8 | 1866 

 Tchnopus affinis, Cam. Heller in: Denk. Ak. Wien, j;.26n p. 19 t. 2 f. 19 -25 ; 1895 

 T. «., 7. taurus?, Chevreux in: Mem. Soc. zool. Fxance, v.% p. 425. 



Distinguished from I. spinicornis by not having calceoli (so far as 

 appears) on the antennae of o . Antenna 1, P* Joint or 1^* and 2'^ joints, 

 especially in d, usually with a little tooth; accessory flagellum 7-jointed. 

 Finger of gnathopod 1 strongly curved (at least at the tip), caiTying at 

 the expanded base spines of variable size. Colour grey green. sprinkled 

 with many red spots (Della Valle). L. 10 — 12 mm. 



(lulf of Xaples, Adriatic, North-Atlantic (lat. 47» N., long. S» \\'., deptli 2620 m). 



32. Gen. Anonyx Kröyer 



1838 Anonyx (part.), Kröyer in: Danske Selsk. Afh., v.7 p. 242 j ,1871 A., A.Boeck 

 in: Forh. Selsk. Christian., 1870 p. 107 ! 1888 A., T. Stebbing in: Rep. Voy. Challenger, 

 «7. 29 p. 607 j 1891 A., G. 0. Sars, Crust. Xorway, v. 1 p. 87 | 1893 A. (part.), A. Della 

 Valle in: F. Fl. Neapel, r.20 p. 810 \ 1894 A., T. Stebbing in: Bijdr. Dierk., ».17 p. 7. 



Side-plate 1 expanded below. Pleon segment. 3, postero-lateral angles 

 npturned. Antenna 1, accessory flagellum well developed. Antennae 1 and 

 2 in d with large calceoli. Epistome not projecting. Upper lip produced 

 in front to a compressed linguiform lobe. Mandible powerful, with one or 

 two teeth at angle of cutting edge, molar prominent, conically produced 

 and ciliated, palp set far forward. Maxiila 1, inner plate with 2 setae, 

 outer broad, obliquely truncate, carrying 11 spines, apex of palp having 

 ö— 10 spine-teeth. Maxiila 2, inner plate much smaller than outer. Maxillipeds, 

 outer plates broadly oval, not (or not always?) reaching end of 2^ Joint 

 of palp, which is robust. Gnathopod 1 short and stout, distinctly sub- 

 chelate, palm nearly transverse, finger short and without prominent secondary 



