BY JOHN BRAZIER. 727 



Lucina flexuosa, Reeve, Conch. Icon. vi. pi. 11, fig. 62; Sowb., 

 Illus. Incl. British Shells, pi. v. fig. 15, 1859. 



Cryptodon flexuosus, Clienu, Man. de Conch. Part ii. p. 121, tig. 

 5S.S, 1862. 



Axinus JlexicosiiK, Jeffreys, Brit. Conch, ii. p. 247; v. p. 179, pi. 

 33, fig. 1, 1863-69: Petit, Cat. des Mollusq. Test, des Mers d' 

 Europe, pp. 41, 189, 1869; Brown, Moll. Firth of Clyde, p. 

 19, 1878; Norman, Journ. Conch, ii. pp. 18-43, No. 55, 

 1879; Jeffi-eys, Proc. Zool. Soc. p. 701, 1881. 



Cryptodon Jiexiiosus, Tryon, Struct, and Syst. Conch, iii. p. 211, 

 pi. 119, fig. 4, 1884; Smith, Report Lamellibranch. H.M.S. 

 "Challenger," Zoology, xiii. p. 192, 1885; Norman, Ann. 

 Mag. Nat. Hist. Series 6, xii. p. 365, No. 137, 1893. 



Hoh. — Off" Aberdeen, Scotland {Prof. Macgillivray); Rothesay 

 Bay, Scotland {Mr. A. Brown); Iceland {Verkriizen); Spitzbergen 

 {Torell); Massachusetts ((9o ?//'/); Norway {Loven); Spain, Mogador 

 and Canary Islands {McAndrexv); Mediterranean and ^gean 

 Seas {Prof. Forbes); Spitzbergen, Siberian Coasts, Iceland and 

 Greenland to the Archipelago and Adriatic, Mogador, Canaries, 

 Azores, Queen-Charlotte Islands, West Coast of North America 

 and Korea {Dr. Gvyyn Jefreys); opposite Bernestangen Oster 

 Fiord off Eide, Trondhjem and Rodberg {Rev. Canon JVorman); 

 Station 75, off" Fayal, Azores {H.M.S. Vhadenger); one mile north- 

 east of Cabbage-Tree Island, off" Port Stephens, N.S.W., 25-30-40 

 fathoms, mud and sandy mud bottom {Brazier, 22nd November, 

 1874): north of Cabbage-Tree Island, opposite the entrance to 

 Port Stephens, 24 fathoms {Excursion Party, Austrcdian Mtiseum, 

 Novertiber, 1880, vide Brazier's Official Beporf, 1881); Port 

 Esperance, South Tasmania (Miss M. Lodder). 



The thi'ee well-known varieties, rotunda, polygona, and sarsii, 

 are found off" the New South Wales coast. 



