xxii ABBREVIATIONS. 



M. U. C. . . . Martyn's Universal Conchologist. 



M. Montagu's Testacea Britannica. 



M. Suppl. . . . "■ Supplement. 



M. Z. D. . . . Miiller, Zoologia Danica. 



M. V. .... Vermium Terrestrium et Fluviatilium. 



P. M. Z. . . . Pallas, Miscellanea Zoologica. 



P. S. Z. . . . ■ Spicilegia Zoologica. 



P.B.Z. . . . Fennant's British Zoology. 1812. 



P Petiver, Gazophylacium. 



P. Amb. . . . Amhoyna Shells. 



P. D. C. . . . Pultney's Dorset Catalogue. 



R Rumphius, Thesaurus Imaginuvi Piscium Testa- 



ceoruni. 



S. Conch. . . . Schreiber's Conchylienkenntniss. 



S. Einl. . . . Schroter, Einleitung in die Conchylien. 



S. Erd. . , . Erdkonchylien. 



S. Fluss. . . . Flussconch. 



S. N. M. . . . Shaw's Naturalist's Miscellany. 



Seb Seba's Museum. 



W.M.S.. . . Walker's Minute Shells. 



W. Wood's General Conchology. 



Fr. w Fresh water. "\ 



T T d V ''^''^^^ abbreviations occur in the 



TT TT , I fifth column. 



ti Unknown. I 



