Glycerina, Scopelocheirus 61 



Antenua 1 slender, rather long. Mandible, molar prominent. Maxilla ] , 

 outer plate with oblique apical mjirgin, 7 or 8 spine-teeth ou apex of palp. 

 önathopod 1 imperfectly subchelate. Gnathopod 2 subchelate. üropod 3, 

 rarai broadly lanceolate. Telson deeply cleft. 



The genus and its 2 species remain in miich obscurity. 

 2 species. 



Synopsis of species: 



<ruathopod 1, fi^l' Joint nnich shorter than ötli 1. G. tenuieornis . p. Hl 



Unathopod 1, 6tli Joint mach longer thau utli 2. G. afflnis . . . p. 61 



1. G. tenuieomis (Hasw.) 1880 Glycera f., Haswell in: P. Linn. Soe. X.S.Wales. 

 r. 1 p. 2r)6 t. 8 f. 6 j 1882 Glycerina f., Ha.s\vell, Cat. Austral. Crust., p. 234 t. 4 f. 3. 



Head, lateral augies rather acutely produced. Pleou segment 3, 

 postero-lateral angles subquadrate. Eyes long oval, nearly meeting above. 

 Antenna 1, 1*** Joint stout, flagellum slender, louger than peduncle, accessoiy 

 flagellum 9-jointed. Antenna 2 rather longer than antenna 1, flagellum 

 ■\ times as long as peduncle. Gnathopod 1 long, filiform, 6^'* Joint about 

 ' .^ Icngth of 5*'S irregularly ovoid, narrowed distally. with curved setae on 

 bind margin. Gnathopod 2 long, slender, stouter than gnathopod 1, 6*^^ Joint 

 iiearly twice as long as 5*^[?], subquadrate, nearly as broad as long, palm 

 o'oncave, defined by acutely produced angle. Peraeopod 3 much shorter than 

 the rest, 2"^ Joint circular with deeply serrate bind margin. Peraeopods 4 and 5. 

 2'^ Joint oval, not deeply serrate. Apices of telson acute. L. 8 mm. 



Coral Sea (Howick Group), Port Jackson [East-Australiaj. 



2. G. afflnis Chilton 1885 G. a., Chilton in: P. Linn. Soe. N. S.Wales, v.9 ]). 1036 

 t. 47 f. la, b. 



In general shape closely resembling G. tenuicornis. Gnathopod 1, 

 6*'^ Joint longer than 5*'', tapering, without palm. Gnathopod 2 very long 

 and slender, G*^' Joint shorter than 5*^ of uniform width, nearly 3 times as 

 long as broad, palm rather oblique. 



Port Jackson [East-AustraliaJ. 



36. Gen. Scopelocheirus Bäte 



1851 Callisoma (non L. Agassiz 1846, Coleoptera!) (part.), A. Costa, Fauna lieg. 

 Napoli, fasc. März. 1851 p. 1 | 1888 C, T. Stebbiiig in: Rep. Voy. Challenger, ».29 p.247 

 1890 a, G. O. Sars, Crust. Xorway, v.i p.52 | 1893 C, A. Della Valle in: F. Fl. Neapel, 

 r. 20 p. 838 | 1856 Scopelocheirus (nom. nud.), Bäte in: Rep. Krit. Ass., Meet. 25 p. 58 | 

 1857 S. (Sp. un.: S. crenatus), Bäte in: Ann. nat. Hist., ser. 2 *?. 19 p. 138. 



Side-plates large. Antenna 1 much shorter than antenna 2, 1-^* Joint 

 tumid, 1^* Joint of flagellum in ö very large, accessofy flagellum rather small. 

 .\ntenna 2, basal Joint swollen, flagellum long and slender, especially in d; 

 antenuae 1 and 2 in d with calceoli. Epistome projecting, rounded, defined by 

 d sinus from upper lip. Hind lobes of lower lip very divergent. Mandible, 

 molar prominent, tapering, palp affixed above it, large, setose. Maxilla 1, 

 inner plate with several plumose setae along inner margin, outer plate with the 

 usual spines, palp large with bifurcate apical spines. Maxilla 2, both plates short, 

 broad, densely setose, setae of inner plate fringing its inner margin. Maxillipeds, 

 outer plates not reaching end of 2^ Joint of palp, fringed with spine-teeth, 

 4^^^ Joint of palp long and slender. Gnathopods 1 and 2 subequal in length. 



