518 Talorchestia 



2*1 Joint cbauuelled iu front, 5*^ mucli louger than 6*^', not lobed, 6*^^ veiy 

 spinöse, distally lobed, palm straight, not oblique, fiuger reaching beyoud it. 

 Gnathopod 2 in d, 2"^ and 3*^ joints channelled in front, 4^'^ short, Square, 

 5th Y^j-y Short, cup-shaped, 6^^ massive, palm oblique, spinulose, witli broad 

 rectangular tootb uear tinger-binge, and prominent acute defining tootb, 

 witbin wbicb tbe finger closes. Gnatbopod 1 in Q , 6^^ Joint narrowing to 

 the finger, distally scarcely broader tban base of finger, deusely spinöse. 

 Gnatbopod 2 in o , 2^ Joint elongate oval, S^ and 4^*^ subequal, 5^'' longer 

 tban 6^^, tbe part free from 4^^ narrowly oval, 6*^ produced with rounded 

 eud beyond tbe small cbela-forming finger. Peraeopod 2 sborter tban 

 peraeopod 1, finger notcbed, and tbut in botb sexes. Peraeopod 3 very 

 sbort, 2'^ Joint almost circular, 4*^ and 5^*^ sbort but ratber broad. Peraeo- 

 pod 4 long, 2'^ Joint broadly oval. Peraeopod 5 ratber longer, 2*^ Joint as 

 long as in peraeopod 4 but mueb wider, the broad erenulate expansion 

 giving it a circular look; 4^'*— 7*^ joints in peraeopods 4 and 5 long, not 

 especially widened. Pleopods with small rami, sborter tban peduncle, 

 4- or 5-jointed. üropods 1 and 2 spinöse, rami ending obtusely, outer 

 ratber tbe sborter. üropod 3, the small ramus a little longer than tbe 

 peduncle. Telson thick, broader than long, faintly emarginate, surrounded 

 with spinules, and looking as if its distal angles were upturned. L. reaching 

 23 mm. 



South-Pacific (New Zealand). 



8. T. quadrimana (Dana) 1852 Orchestia q., J. D. Dana in: P. Amer. Ac, 

 V. 2 p. 204 I 1853 & 55 0. q., J. D. Dana in: U. S. expl. Exp., v. 13 ii p. 879; t. 59 f . 7 j 

 1893 O.q., A. DellaValle in: F. Fl. Neapel, r.20 p.504 t.57 f. 63 ] 1879 Talorchestia q., 

 Haswell in: P. Linn. Soc. N. S.Wales, vA p. 248 t. 7 f . 3 | 1880 T. q. var.?, Haswell in: 

 P. Linn. Soc. N. S. Wales, v. 5 p. 100 t. 6 f. 1. 



Side-plates 2 — 4 broad. Eyes large, round. Antenna 1 reaching 

 end of penultimate Joint of peduncle of antenna 2. Antenna 2, ultimate 

 Joint of peduncle not much longer tban penultimate, flagellum subequal to 

 peduncle, joints not longer than broad. Gnatbopod 1 in d, 6**^ Joint little 

 sborter than 5*^ subtriangular, the expanded distal margin a little excavate, 

 not overlapped by tbe finger. Gnathopod 2 in (5, 6^^ Joint stout, subquadrate, 

 palm transverse, slightly excavate. Peraeopods 1 and 2 slight in sü-ucture. 

 Peraeopods 3 — 5 successively longer, only the 2^ Joint expanded and this in 

 peraeopod 5 (Haswell) mucb broader tban that of tbe otbers. üropod 1, 

 outer ramus uuaraied. üropod 3, ramus slender. Colour white, with irregulär 

 ligbt-red spots. L. 12 — 14 mm. 



South-Pacific (New South Wales, Queensland, Port Denison). On sandy beachos, 

 under cast up weed above the reach of ordinary tides. 



9. T. diemenensis Hasw. 1879 T. d., Haswell in: P. Linn. Soc. N.S.Wales, 

 t?.4 p. 248 t. 7 f. 6 ! 1893 T. d., G.M.Thomson in: P. R. Soc. Tasmania, 1892 p. 17 

 t. 5 f. 6-8 I 1893 T.d., A.DellaYalle in: F. Fl. Neapel, f. 20 p. 512 j 1891 Chrhestia d., 

 T. Stebbing in: Ann. nat. Hist., ser. 6 «•.8 p. 325 | 1898 0. gammarellus, G. M.Thomson 

 in: Tr. N. Zealand Inst., r.81 p. 198. 



Antenna 1 veiy sbort. Antenna 2, flagellum as long as peduncle. 

 Gnatbopod 1 in c?, 5*^ Joint distally broad, 6*^ oblong, twice as long as 

 broad, palm transverse. slightly sinuous, finger short, in figure not nearly as 

 long as apex of 6**^ Joint. Gnathopod 2 in d, G^^ Joint (in figure) nearly 

 as broad as long, palm convex, moderately oblique, defined by a rounded 

 tootb. Gnathopod 1 in q, 5*'^ and 6^^^ joints naiTower than in d, tbe palmar 



