40 _ Cincinnati Society of Natural History. 
181¢. Say. “Conchology.” < “American edition of Nicholson’s En- 
cyclopedia of Arts and Sciences, vol. ii., first edition, Phila- 
delphia, 1816. 
A second edition was published in vol. iv., in 1818, and a third edition 
in vol. iv., 1819. These contain original descriptions of several shells 
from Ohio. The paper was also distributed with a distinct title page 
separately. ‘‘ Descriptions of Land and Fresh-water Shells of the United 
States.”—A. F. G. 
1818-22. Lamarck. Histoire Naturelle des animaux sans Vertebres, 
etc., par M. le Chevalier de Lamarck, Paris, 1818-22, vols. v., 
vi., Vii. Second edition of same 1840-44. 
1818. Rarinesqgure. Farther account of the Discoveries in Natural 
History in the Western States: by ©. S. Rafinesque. < Am. 
Month. Mag. and Crit. Rev., vol. iv., p. 39. New York, 1818. 
Eillipstoma is the genus treated.—A. F. G. 
1818. Rarinesgur. Discoveries in Natural History, made during a 
Journey through the Western States, by C. S. Rafinesque. 
<(_Am. Month. Mag. and Crit. Rev., vol. iii, p. 354. New 
York, 1818. 
The genera mentioned are, Potamilus, Pleurocera and Ambloxis.—A.F.G. 
1818. Say. Description of a new genus of Fresh-water Bivalve 
Shells, by Thomas Say. <Jour. Acad. Nat. Sci., Phila., vol. 
i., Dec. 1818. 
Alasmodonta marginata, described from Scioto river.—A.F.G. 
1821. Say. Descriptions of Univalve Shells, of the United States, by 
Thomas Say. <_Jour. Acad.-Nat. Sci., Phila., vol. ii., Jan. 1821. 
Several species described, and the genus Anculotus formed.—A.F.G. 
1820-51. Frrussac and DesHayes. Histoire Naturelle générale et 
particuliere des Mollusques Terrestres et Fluviatiles, ete., par 
D. DeFerussac et G. P. Deshayes, Paris, 1820-51. 
1820. RarinesQuE. Monographie des Coquilles bivalves et fluvia- 
tiles de la riviére Ohio (contenant douze genres et soixante- 
huit espéces: par M. C. Rafinesque, Prof. de bot. et d’hist. 
nat. al’ Univ, Transylvane de Lexington. < Extrait de la 
15me livraison du 5me tome des Annales Générales des 
Sciences Physiques. Sept., 1820, Bruxelles. ) 
