340 ox CRUSTACEA FROM THE FALKLAND LSLAXBS. 



Plate IV. 



Tana Is nierstraszi, sp. n. 



n.s. Line sliovving length of specimen figured below in two aspects. 

 00., a.s., a.i. Eye; first and second antennse inore highly magnified. 

 I.S., m., mxp. Upper lip, mandible, maxillipeds ; these, the end of prp. 5 and the 



urp. on higher scale than the other details. 

 gn. 1, gn. 2, prp. 5. First and second gnathopods and fifth perjeopod. 

 pip., iirp. Pleopod and uropod. 



Plate V. 



Ilunna antarcticus (Pfeflfer). 



n.s. $ . Line showing length of male specimen, roughlj- sketched, incomplete. 



a.s., a.i., ^ . Dorsal view of female ; first antenna more highly magnified. 



Fl. 9, ov. Pleon of female highly magnified; ovum to the same scale. 



m. $, m. 5, m.vp>; op. $. Mandibles of male and female; a maxilliped ; opercular 

 lamella of male ; all more magnified than other details. 



a.i. $ , gn. 1, c?> gn. 1, $, prp. 1, prp. 5. Second antenna; first gnathopod of a 

 male (from separate specimen), first gnathopod of female, part of first 

 per;eopod, fifth peraeopod; all to one scale of magnification. 



