^Lelita, Paracerudoeus 42i> 



M. inaequistylis (Dana) 1852 Amphitoe ( Melita) i. (?) -f- ^- (M.) tenuicornis 

 (part.: c5), J- D- üaiia in: P. Ainer. Ac, v.2 p.214; p.2ir) j 1853 & 55 M. t., J. D. Dana 

 in: U. S. expl. Exp., r. 13ii p. 963 t. 66 f. 5a— m [ 1881 M. t., G. M. Thomson in: Tr. N. 

 Zealand Inst., n 13 p. 218 | 1862 Moerat., Bäte, Cat. Amphip. Urit. Mus., p.l95 t. 35 

 f. 6 ] 1875 Paramoera t., Miers in: Ann. nat. Hist., ser. 4 r. 16 p. 75 j 1876 F. t., Miers, 

 Cat. Crust. N. Zealand, p. 127 t. 3 f. 8 (?) | 1893 Melita palmata (part.), A. Della Valle 

 in: F. Fl. Neapel, r. 20 p. 714. 



Dana's and Thomson's statements are in many respects contradictory ; whefhor ? 

 and (5 belong to the same species, is doubtful. 



South-Pacific (New Zealand). Between tidemarks and in rock pools along coast. 



M. oxyura (.'atta 1875 M. o., Catta in: Kev. Sei. nat., (-.4 p. 164 ' 1893 M. o., 

 A. Della Valle in: F. Fl. Neapel, u 20 p. 716. 



ßather near to M. gladiosa; specially distinguished by the strong dentation of 

 the lower hind margin of jjleon segments. 



Gulf of Lyon (Marseilles). Among Zostera, depth 19 — 25 m. 



M. sp,, F. Brandt 1851 Gammarus longicauda (non A. Costa 1851!), F. Brandt 

 in: Middendorff, Reise Sibirien, u2i p. 141 t. 6 f. 32 | 1862 Meyamoera l., Bäte, Cat. 

 Amphip. Brit. Mus., p. 229 t. 40 f. 3 | 1893 Maera? l, A. Della Valle in: F. Fl. Neapel, 

 v.2() p. 730 j 1876 Melita dentata (part.), A. Boeck, Skand. Arkt. Amphip., ».2 [). 392 1 

 1894 M. d. (part.), G. 0. Sars, Crust. Norway, v. 1 j). 514. 



Perhaps identical with 31. dentata (p. 427). 



Sea of Ochotsk. 



M. sp., Stimps. ?1852 Amphithoe tenuicornis (part.) (err., non Amphithoe f. 

 -Rathke 1843!), J. D. Dana in: P. Amer. Ac, v.2 p. 214 ] 1855 Gammarus t. (sp. nov. !), 

 Stimpson in: P. Ac. Philad.. r.l p. 382 | 1899 Melita t.. T. Stebbing in: Tr. Linn. Soc. 

 London, ser. 2 «. 7 ]). 425. 



L. 8 mm. 



North-Pacific (Loo Choo Islands). 



31. Gen. Paraceradocus Stebb. 



1899 Paraceradocus (Sp. typ.: P. wiersit), T. Stebbing in: Tr. Linn. Soc. London, 

 SIT. 2 V. 7 p. 426. 



Side-plates not deep, 1''* larger than 4*^. Antenna 1 longer than antenna 2, 

 but not stouter and with shorter peduncle. Upper lip transversely elliptic. 

 liOwer lip with principal lobes dehiscent. Mandibular palp long, S'* Joint not 

 Short. Maxiila 1, inner plate large, with setae only on the apex, palp broad. 

 Maxilla 2, inner plate fringed on inner margin. Peraeopod 1, uropods and 

 telson as in Ceradocus (p. 430). 



1 species. 



1. P. miersii (Pfeff.) 1888 Meganioera m., Pfeffer in: Jahrb. Hamburg. Anst., 

 i-.5 p.l21 t.3 f. 3 I 1893 Maera? m., A. Della Valle in: F. Fl. Neapel, v.20 p. 732 | 1899 

 Paraceradocus m., T. Stebbing in: Tr. Linn. Soc. London, ser. 2 v.7 p. 426. 



Body elongate, back rounded as far as peraeon segment 6, segment 7 

 and pleon segments 1 — 5 with dorsal angle, on segments 4—5 raised iuto 

 a carina produced acutely backward, pleon segment 6 dorsally flat. Head, 

 lateral lobes a little produced, naiTowly rounded, post-antennal corners 

 not acute. Side-plates 1 and 2 rather shallow, larger than 3'^ and 4ti\ 4*^^ 

 not deeper than h^^. Pleon segment 3, postero-lateral corners strongly 



