Oediceros, Paroediceros 245 



0. latrans (Hasw.) 1880 Oedicerus l., Haswell in: P. Linn. Soc. N.S.Wales, 

 r4 p.324 t. 19 f. 1 j 1893 Oediceros l, A. Della Valle in: F. Fl. Xeapel, ».20 p. 556. 



Bondi Bay [New South Wales]. Eurrowing in the sand between tide marks. 



7. Gen. Paroediceros 0. Sars 



1892 Paroediceros, G. O. Sars, Crust. Xonvaj', v.l p. 291. 



Front of head produced to a process bearing the contiguous eyes, wheu 

 present, at its distal end. Autenna 1 much shorter than autenua 2. Upper lip with 

 tlattened margin. Mandibular palp slender. Gnathopod 1, process of 5*^^ Joint 

 insignificant, 6^'' Joint elongate, distally widened. Peraeopods comparatively 

 slender. Other characters agi'eeing with Oediceros (p. 243). 



5 species. 



Synopsis of species: 



j (Tnathopod 1, 6tli Joint extremely elongate — 2. 



I Gnathopod 1. 6tli Joint not extremely elongate — 3. 



) Frontal process small, without eyes 1 . P. macrocheir . p. 245 



) Frontal process well developed, with eyes .... 2. P. intermedius . p. 245 



) Frontal process deflexed . . 3. P. eurvirostris . p. 246 



) Frontal process horizontal — 4. 



/ Eyes large, transverse bands of colour on body . 4. P. lynceus . . . j). 246 



I Eyes small, no colour bands on body 5. P. propinquus . p. 246 



1. P. maeroeheir (ü. Sars) 1879 Oedicerus m., G. 0. Sars in: Arch. Naturv. 

 Kristian., t?. 4 p, 449 | 1885 Oediceros m., G. 0. Sars in: Norske Nordhavs-Exp., v.6 

 Crust. I p. 170 t. 14 f. 4 ; 1887 0. m., H.J.Hansen in: Dijmphna Udb., ]). 221 | 1892 

 0. »i., Paroediceros (part.), G. 0. Sars, Crust. Norway, v.l p. 291 | 1893 0. lynceus (part.), 

 A. Della Yalle in: F. Fl. Neapel, «;.20 p. .546. 



Head arched, frontal process very small, not tumid. Side-plates 1—4 

 large and broad, deusely friuged, 4*'^ scarcely so deep as the others, 5*'^ 

 distinctly bilobed, 6^^ and 7^^ small. Eyes wauting. Antenna 1 very short, 

 1^* and 2^ joints equal in leugth, fiagellum shorter than peduncle, 8-jointed. 

 Antenna 2 more than twice length of antenna 1, ultimate and penultimate 

 joints of peduncle robust, ultimate the shorter, flagellum slender, rather long. 

 Gnathopod 1 very long, 2^ Joint large and muscular, 3*^ — ö^h very short, 

 6^^ more than 4 times as long as broad, dilated distally, palm arcuate, 

 oblique, defined by obtuse projection and strong spine. Gnathopod 2 shorter, 

 5*^ Joint narrowly produced, 6*^ shorter and broader than in gnathopod 1, 

 palm very oblique, about half length of the Joint. Peraeopods 1 and 2 rather 

 slender, very hirsute, finger large, falciform. Peraeopods 3— 5, 2^ Joint narrowly 

 ovate; 4*'' peraeopod longer than 3*^, both very hirsute, with long falciform finger; 

 5*^ with short simple setae and long needle-like finger. Uropod 3 shorter 

 than uropod 2. and uropod 2 than uropod 1. Telson. short, apically rounded. 

 Skin peliucid, but with brown-violet arborescent markings. L. 9 18 mm. 



Arctic Ocean (between Jan Mayen and Iceland). Depth 1890 m. 



2. P. intermedius Stebb.*) 1887 Oediceros microps (err., non O. Sars 18821), 

 H.J: Hansen in: Dijmphna Udb., p. 220 t. 21 f. 12 | 1892 Paroediceros (part.), G. 0. 

 Sars, Crust. Norway, v.l p. 291, 294 j 1893 Oediceros lynceus (part.), A. Della Valle in: 

 F. Fl. Xeapel, v. 20 p. 546. 



Intermediate between P. propinquus (p. 246) and P. macrocheir. Frontal 

 process produced to end of 1^* Joint of antenna 1, scarcely deflexed. Side-plates 



*) Sp. nov. 



