564 Hyale 



this and the finger a spiue upbent towards tbe other, of a peculiar fusiform 

 shape. The setule on inuer margiii of finger very small. Uropod 3, ramus 

 moderatek slender, as long as peduncle, each with apical spines only. Telson 

 with lobes distally somewhat acutely triangulär. L. 5 mm. 



Maroubra Bay near Sydney [East-Australia]. 



7. H. gramine a (Dana) 1852 Allor ehestes ? g., J.D.Dana in: P. Amer. Ac, 

 V.2 p.208 I 1853 & 55 A.? g., J. D. Dana in: U. S. expl. Exp., «. 13n p.897; t. 61 

 f. 3 a — b I 1862 A. gramineus, Bäte, Cat. Amphip. Brit. Mus., p. 46 t. 7 f . 8 | 1893 Hyale 

 prevostii (part.), A. Della Valle in: F. Fl. Neapel, r. 20 p. 519. 



Eyes reniforra. Antenua 1 ^4 as long as antenna 2, flagellum slender, 

 longer thau peduncle, about 14-jointed. Antenna 2 less than half as long 

 as body, flagellum stout, much longer than peduncle, joints hardly oblong. 

 Gnathopod 1, 6**» Joint narrow, slightly broadest at middle, finger long, stout, 

 folding against bind margin. Gnathopod 2, 6*^ Joint large, narrowly ovate, 

 narrow at finger-hinge, palm setulose, very oblique, not at all convex, 

 scarcely defined from the very short bind margin. Peraeopods 1 — 5 feebly armed. 

 Colour tints of green and yellow, bind legs partly carmine. L. 12 — 14 mm. 



Tropical Atlantic (Rio Janeiro). 



8. H. hirtipalma (Dana) 1852 Allorchestes h., J. D.Dana in: P. Amer. Ac, 

 V. 2 p. 205 I 1853 & 55 A. h., J. D. Dana in: U. S. expl. Exp., v. I3u p. 888; t. 60 f. 4 | 

 1879 Hyale (A.)h., Wrzeäniowski in: Zool. Anz., v.2 p. 200 ] 18ß2 A. inca, Bäte, Cat. 

 Amphip. Brit. Mus., p.40 t. 6 f. 7 | 1879 Nicea fimbriata, Q. M. Thomson in: Tr. N. 

 Zealand Inst., ?7.11 p.236 t. lOB f. 2 | 1886 N. f., ö. M. Thomson & Chilton in: Tr. N. 

 Zealand Inst., v. 18 p. 144 | 1888 Hyale f. -\- H. hirtipalma, T. Stebbing in: Rep. Voy. 

 Challenger, v.2d p. 1705 1 1895 H. f., G.M.Thomson in: Tr. N. Zealand Inst., n27 

 p.211 I 1893 H. prevostii (part.), A. Della Valle in: F. Fl. Neapel, u 20 p. 519. 



Eyes dark, rather small, subrotund. Antenna 1 half or more than half 

 as long as antenna 2, proportionately longer in small specimens, joints of 

 peduncle subequal, flagellum much longer than peduncle, 13 — lö-jointed. 

 Antenna 2 less than half as long as body, ultimate Joint of peduncle a little 

 longer than penultimate, with a brush of setules on lower margin, flagellum 

 longer than peduncle, with 17 — 22 joints, each with brush of setules. Maxilli- 

 peds, 4**1 Joint of palp short, slender, acute. Gnathopod 1, o^^ Joint rather 

 Short and broad, 6**^ widening to the palm, which is longer and more oblique 

 in a large specimen than in a small, setulose, with palmar spines (stout 

 teeth, Thomson), finger fringed within with tiny setules. Gnathopod 2, 

 5*^ Joint small, 6*^ very large, subovate, narrowing to finger-binge, palm 

 very oblique, densely fringed with setules, finger not nearly as long as 6**^ Joint. 

 Peraeopods 1 — 5 all rather long, 5*^ and 6**^ joints without spines on convex 

 margin, finger rather short and stout, curved, acute. Peraeopods 3 — 5, 2*^ Joint 

 well expanded. Uropods 1—3 not very long. Uropods 1 and 2, outer ramus 

 rather the shorter. üropod 3, ramus subequal to peduncle. Telson cleft almost 

 to the base. Colour pale yellow. L. reaching 20 mm. 



Pacific (Valparaiso; Island of San Lorenzo [Peru]; Dunedin [New Zealand]; 

 Macquarie Island). 



9. H. maerodactyla Stebb. 1899 H. macrodactylus, T. Stebbing in: Tr. Linn. 

 Soc. London, ser. 2 v.7 p. 404 t. 31D. 



Side-plates not deep, 1^* distally widened, 4*^ wide, with deep bind 

 emargination. Pleon segment 3, postero-lateral corners quadrate, scarcely 

 produced. Eyes not large, rounded, wider than diameter apart. Antenna 1, 



