MoUiisca from the North-west Falklunds. I'll 



Class PELECYPODA. 



Older PROTOBRANCIIIATA. 



Family Nnculidae. 



Nucula pi sum, Sowb. 



Kucula pisum, Sowerby, Thes. Conch, iii. p. 153, pi. ccsxis. fig. 1.33; 

 Trans. Royal Soc. Edinb. xlviii. p. 360. 



Local, but occasioiiallv plentiful. 



Tliis is probably A", semiornata, Orbio;ny. It was originally 

 described by Sowerby in P. Z. S. Lond. 1832. 



Yoldia eiqhtsii (Couth.). 



Nucula eiqhtsii, Couthouv, Jav, Cat. Shells, ed. iii. p. 113, pi. i. 



figs. 12," 13 (18.39). 

 Leda (Yoldia) eicfhtsii, Hanley, in Sowb. Thes. Conch, iii. p. 112, 



pi. ccxxx. fig. 164. 

 Yoldia eightsiiy Sowerby, Reeve, Conch. Icon. xx. pi. v. fig. 26. 



Roy Cove, at extreme low-water mark, spring tides. 



Yoldia icoodwardi, Ilanl. 



Yoldia woodwardi, Hanley, P. Z. S. Lond. p. 370 (1860); Reeve, 

 Conch. Icon, xviii, pi. i, fig. 9(1871); Peiseneer, Vov. 'Belgica,' 

 Moll. p. 10 (1903) ; Lamv, Moll. Orcades du Sud, Bull.* Mns. Hist. 

 Nat. xii. p. 125 (1900) ; Charcot, Exp. Ant. Fran^aise, p. 19 (1906). 



Roy Cove, 4-6 fathoms (November lOOD). 

 Very perfect example.s, three in number. 



Order FILIBRANCIIIATA. 



Suborder A N M I A c E A. 



Fam. Anomiidae. 



Anemia ephippium, L. 



Anomia cphippium, Linn6, Syst. Nat. xii. (1709) ; Jeffreys, Brit. Conch, 

 ii. p. 30, pi. i. tig. 4 ; Smith, Report ' Challenger' Exped., Zool. xiii. 

 p. 318. 



Roy Cove. 



One of the very few species f )und to be common to the 

 uortiiern and southern polar legioiis. 



