LIST OF BOOKS. 



Lamarck. Histoirc naturcllc dcs Animaux sans vertebrcs, etc. 7 vols. 8vo. Paris, 1815 ct seq. 



" The same. Third edition, edited by Deshayes and H. M. Edwards. Bruxelles, 1841 ct seq. 



Lei. Various memoirs in the Transactions of the American Philosophical Society, new series. 

 " Contributions to Geology. By Isaac Lea. 8vo. Philadelphia, 1833, with 228 figures. 

 " Synopsis of the Family of Naiades. 8vo. With numerous figures published separately. 

 Leach, W. E. The Zoological Miscellany. 3 vols. 8vo. London, 1814 ct seq. 

 Lesuecr. Descriptions of several new species of Ascidca. (Jour. Acad. Nat. Sciences, Vol. 3d.) 



" Description of a new species of Ccphalopode of the genus Loligo. (From the same.) 



Sander Rang. Manuel xle l'histoire naturelle des Mollusques ct de leur coquilles. 12mo. Paris, 1829. 

 Say. Article Conchology, Nicholson's Encyclopedia, 3d American edition, Philadelphia, 1818. Afterwards published 

 in a separate form, under the title of " Descriptions of the Land and Freshwater Shells of the United 

 States." 8vo. Philadelphia, 1819. pp. 15, with 4 plates. 

 " American Conchology, or Description of the Shells of North America. 8vo. New-Harmony, 1831. 

 " Appendix to the Narrative of an Expedition to the Sources of St. Peter's River. By S. H. Long. 2 vols. 8vo. 



Philadelphia, 1824. 

 " Descriptions of some new species of Freshwater and Land Shells of the United States. (Jour. Acad. Nat. Sci. 



Philadelphia.) 

 " Descriptions of Marine Shells recently discovered on the Coast of the United States. (From the same.) 

 " Descriptions of some new Terrestrial and Fluviatile Shells of Nortii America. New-Harmony Disseminator, 1829. 

 " Descriptions of several new species of Shells, and of a new species of Lumbricus. (Transylvania Journal, 1832.J 

 Those papers were afterwards published in a separate form, by Mrs. Lucy Say, New-Harmony, pp. 26. 

 Swainson. Treatise of Malacology, or the Natural Classification of Shells and Shellfish. 8vo. London, 1840. 

 Torton. ConchyUa Insularum Britannicarum. London. 4to. 1622. 



Wheatlet. Catalogue of the Shells of the United States, and their localities. 12mo. New- York, 1842. pp. 29. 

 Wyatt. Elements of Conchology. 8vo. 



