Neobule, Parorchestia 557 



3'^ very short, flagellum rather longer tban peduncle, about 11-jointed. 

 Autenna 2, ultimate Joint of peduncle longer thau penultimate, flagellum 

 subequal to peduncle, ll-jointed. Guathopod 1, 5*^'' Joint triangulär, subequal 

 to tbe oblong 6*^ palm transverse, slightly concave, fiuger matching palm. 

 Gnatbopod 2, o^ii joiut distally expanded iuto a broad, somewhat produced 

 lobe, 6*'! broadly oblong, palra sti-aight, transverse. Peraeopod 5 longer 

 than peraeopod 4, '2'^ Joint broader than in preceding peraeopods. üropod 3. 

 raiui extr^emely short (not figured by Haswell). L. about G mm. 



South-Pacific (New Holland: Kiama [New South Wales]). Amoug sea-weed 

 between tide-marks. 



N. armorica (M.-E.) 1830 Amphithoe a., H. Milne Edwards in: Ann. Sei. nat., 

 r. 20 p. 378 \ 1862 Amphithoe a., Nicea (part.)?, Bäte, Cat. Amphip. Brit. Mus., p. 243 | 

 18!)3 Amphithoe «., A. Della Valle in: F. Fl. Neapel, 1.20 p. 424. 



Uropod 3 short. ending in 2 conical appendages much shorter thau peduncle. 



Brittany. 



N. reynaudii (M.-E.) 1830 Amphithoe r., H. Milne Edwards in: Ann. Sei. nat., 

 f. 20 p. 378 I 1862 Amphithoe r., Bäte, Oat. Amphip. Brit. Mus., p. 243 i 1893 Amphithoe 

 rubricata (part.), A. Della Valle in: F. Fl. Neapel, i'. 20 p. 459. 



Cape of Good Hope. 



10. Gen. Parorchestia Stebb. 



1899 Parorchestia, T. Stebbing in: Tr. Linn. Soc. London, ser. 2 v.7 p. 402. 



Like Orchestia (p. 530), but maxillipeds with 4*^ Joint of palp distinct, 

 though very small, conical and having a spine on the truncate apex. 



3 species. 



Synopsis of species: 



[ Antenna 1, 3d joiut shorter than 2d 1. P. tenuis . . . . p. 557 



\ Antenna 1, 3d Joint longer than 2^ — • 2. 



I Antenna 1. joints of flagellum unusually elongate . 2. P. haTvaieiisis . p. 558 



) Antenna 1, joints of flagellum not uuusually elongate 3. P. sylvicola . . p. 558 



1 



2 



1. P. tenuis (Dana) 1852 Orchestia t., J. D. Dana in: P. Amer. Ac, t\2p.202| 

 1853 & 55 0. t., J. D. Dana in: U. S. expl. Exp., ul3ii p.872; t. 59 f . 1 j 1862 0. t., 

 Bäte, Cat. Amphip. Brit. Mus., p. 29 t.4 f. 10 ( 1899 0. t, Parorchestia (part.), T. Stebbing 

 in: Tr. Linn. Soc. London, ser. 2 f. 7 p. 402 j 1881 0. sylvicola (err., non J. D. Dana 

 1852!), C. M. Thomson in: Tr. N. Zealand Inst., v. 13 p. 212 t. 7 f . 4 | 1884 Allorchestes 

 recens, G. M. Thomson in : Tr. N. Zealand Inst., v. 16 p. 235 t. 13 f. 2—5 | 1886 A. r., 

 C. M. Thomson & Chilton in: IV. N. Zealand Inst., v. 18 p. 145 | 1888 A. r., T. Stebbing 

 in: Rep. Voy. Challenger, v. 29 p. 1639 | 1893 Orchestia gammareUus (part.), A. Della 

 Valle in: F. Fl. Neapel, n 20 p.501. 



Body compressed. Side-plate 1 less broad than any of side-plates 2 — 5; 

 side-plates 2 — 4 excavate behind, ö**' shallower than 4**^. Pleon segment 3, 

 postero-lateral corners quadrate, a little produced acutely. Eyes small, 

 roundish, dark, scarcely their width apart. Antenna 1, 3* Joint of peduncle 

 not so long as 2*^, flagellum subequal to peduncle, 5- or 6-jointed. Antenna 2 

 half as long as body (Dana) or less; ultimate Joint of peduncle a little longer 

 than penultimate, flagellum rather longer than peduncle, 8— 14-jointed. 

 Upper lip apically broadly rounded. Maxiila 1, palp miuute. Gnathopod 1 

 in d small, compact, 4**^ Joint having on bind margin an apical scabrous boss, 

 5^^ with free part of bind margin broadly produced, scabrous, 6^^ shorter 



