Maera 437 



Neapel, r. 20 ]>. 730 j 1871 Melita dentata (err., iion Gammarus dentßtus Kroyer 1842!), 

 A. Boeck in: Forh. Selsk. Christian., 1870 p.211 j 1888 M. d., T. Stebbing in: Rep. Voy. 

 Challenger, f. 29 p. 281, 1710 | 1899 Maera tvestivoodi, T. Stebbing in: Tr. Linn. Soc. 

 London, ser. 2 v. 7 p. 426. 



Little removed frora M. tenuimana, but: pleon segment 1 dorsally 

 dentate, accessory flagelliim of antenna 1 extremely small, autenna 2 with 

 peduncle as long as peduncle of antenna 1, and gnathopod 2 (Bäte) with 

 6*^ Joint ovate, palm oblique, straight (siuuous in figure.) L. 22 mm. 



Wellington Channel [arctic Canada]. Depth 66 m. 



7. M. furcicornis (Dana) 1852 Gammarus f., J. D. Dana in: P. Amer. Ac, 

 V.2 p. 211 I 1853 & 55 G. f., J.D.Dana in: U. S. expl. Exp., v.lSu p. 951 t. 65 f . 6 j 

 1862 Moera f., Bäte. Cat. Aniphip. Brit. Mus , p. 193 t. 35 f. 2 1 1888 Maera f., T. Stebbing 

 in: Rep. Voy. Challenger, c.2Q p. 1709 [ 1893 M.? f., A.DellaValle in: F. Fl. Neapel, 

 V. 20 p. 730. 



Body ratlier slender, sparsely pubescent. Head, lateral lobesnot prominent. 

 Pleou Segments 2 and 3, postero-lateral cornevs (in figure) not produced 

 nor acute. Eyes (in figure) smail, round. Autenna 1, 1^* Joint stout, 2*^ slender, 

 a little longer, flagellum rather longer than peduncle, about 14-jointed, 

 accessory flagellum about half primary, 5-jointed. Antenna 2 much sborter, 

 but witb peduncle nearly equal to that of antenna 1, its ultimate Joint rather 

 shorter than penultimate, flagellum subequal to penultimate, 7 — 10-jointed. 

 Gnathopod 1 small, 5*^ and H^^ joints subequal, 6*'^ Joint subovate. Gnatliopod 2, 

 5*^ Joint Short, cup-shaped, 6^^ broad, oblong, a little wideniug to the truncate, 

 or very slightly oblique, and not excavate palm; flngcr half as long as 6*'^ Joint. 

 Peraeopods 3 — 5 rather long, 5*^^ the longest, 2*^ Joint in all narrovv oblong, 

 bind margin serrulate. Uropods 1 and 2 reaching about equally far, uropod 

 3 much farther, elongate. L. 6 mm. 



Sooloo Sea (shores of Island off harbour of Soung). 



8. M. hataigera (Hasw.) 1879 Moera h., Haswell in: P. Linn. Soc. N. S. Wales, 

 vA p. 333 t.21 f.l I 1888 Maera h., T. Stebbing in: Kep. Voy. Challenger, t;. 29 p. 1709 | 

 1893 M. h., A. Della Valle in: F. Fl. Neapel, 17.20 p.723 | 1885 Megamoera suensis var., 

 Haswell in: P. Linn. Soc. N. S.Wales, v. 10 p. 103 t. 15 f. 1—4. 



Body slender, smooth. Head, lateral lobes not produced. Side-plates 

 1 — 4 not deep, 2"^ the largest. Pleon segment 3, postero-lateral corners 

 apparently quadrate with a few teeth(?) on their posterior margin. fJyes 

 long, narrow. Antenna 1 elongate, 2^ Joint longer than 1^*; flagellum about 

 as long as peduncle, 33-jointed; accessory flagellum 4— 6-jointed. Antenna 2 

 about as long as peduncle of antenna 1, ultimate Joint of peduncle shorter 

 than penultimate. flagellum 13-jointed. Gnathopod 1 small, 6*^^ Joint ovate, 

 palm not defined. Gnathopod 2, 5*** Joint short, cup-shaped, 6}^ more than 

 twice as long as broad, widening a little to the pa:lm, which is little oblique, 

 defined by an acute tooth separated by a cavity from 2 or 3 strong tubercles; 

 finger strongiy curved, short and thick; left gnathopod 2 smaller than right; 

 larger band with an acute tooth and 4 or 5 denticles, the smaller without 

 denticles. Peraeopods 1 and 2 short, slender. Peraeopod 3 longer, not 

 very stout. Peraeopods 4 and 5 long and stout. Peraeopods 3 — 5, 2*^ Joint 

 not much expanded. Uropods 1 and 2 reaching equally far, not to end of 

 peduncle of uropod 3. Uropod 3 very large, peduncle long, rami more than 

 twice as long as peduncle, ovate-lanceolate, with seiTate margins. Halves 

 of telson long and narrow, with a deep terminal notch. L. 12-5 mm. 



Port Jackson and Port Stephens [East-Austrälia]. 



