EXPLANATION OF THE REFERENCES. 
em ee ec a, 
Ann. du Mus. Annales du Museum d'Histoire Naturelle 
de Paris, 4to. Paris, 1802—18?21. 
Born. ignatius von Born. 'Testacea Musei Cesarei 
Vindobonensis, Vindobonez, 1780. 
Brown. MSS. Manuscripts of Robert Brown, Esq. 
F.R.S. &c. &e. 
Brug. Histoire Naturelle des Vers par M. Bruguiere, 
1 vol. 4to. and 4 vols. of plates, forming parts 10, 19, 
21, 23, of the Encyclopédie Methodique, Paris, 
1789—1792. 
Chem., or Chemn. Chemnitz and Martini. Neus Sys- 
tematisches Conchylien Cabinet, 4to. 11 vols. Nurn- 
berg, 1781—1795. 
Cuvier. Le Regne Animal, 8vo. 4 vols. Paris, 1817. 
Dillwyn, or Dill. A Descriptive Catalogue of Recent 
Shells, by L. W. Dillwyn, 8vo. 2 vols. London, 1817. 
Ferrusac. Histoire Natarelle, generale et particuliere, 
des Mollusques Terrestres et Fluviatiles, folio, Paris; 
now in a Course of publication. 
Gmel. or Gm. C, Linné Systema Nature, Cura J. F. 
Gmelin, 8vo. Lipsiz, 1788—1793. 
Humphrey, or Humph. Museum Calonnianum, 8vyo. 
London, 1797. 
Lam. or Lamarck, or Lam. Ency. Meth. Systeme des 
Animaux sans Vertebres, par J.B. Lamarck, 8vo. 
Paris, 1801. 
