423 



LEA, ISAAC. Observations on the Naiades, and Description of New Species of that and other Families. 13 colored 



Plates. Philadelphia: 1830. 

 Supplement. 3 colored Plates. Philadelphia : 1831. 



Description of a New Genus of the Family Melaniana of Lamarck. Philadelphia : 1831. 



All the above are bound together and form vol. 1st. 



Observations on the Naiades and Descriptions of New Species of that and other Families. 7 colored 



Plates. Philadelphia: 1832. 

 1st Supplement. 6 colored Plates. Philadelphia: 1833. 



2d " 6 colored Plates. Philadelphia : 1834. 



The above form volume 2d. 



Continuation of Mr. Lea's Paper. Philadelphia : 1835. 



1835. 



8 colored Plates. " 1836. 



" " " 1836. 



" " " 6 colored Plates. " 1836. 



" " " 3 " " " 1837. 



" " " 1 " " " 1837. 



1838. 



" " " " 1838. 



" " Synopsis of the Family Naiades. 



Geographical Distribution of the Species of the Family Naiades. 



The above form volume 3d. 



Description of Nineteen New Species of Colimacea. Read February 21st, 1840. 2 colored Plates. 



Philadelphia. 



Descriptions of New Fresh Water and Land Shells. Read December 21st, 1838. 



Continuation. Read October 2d, 1840. 



" January 15th, 1841. 

 " February 19th, 1841. 

 " June 18th, 1841. 

 " " October 21st, 1842. 



" December 16th, 1842. 

 " May 2d, 1845. 



Notice of the Oolitic Formation in America, with Descriptions of some of its Organic Remains. 3 



Plates. May, 1840. 

 LEONARD, B. G. A Discourse before the Chilicothe Lyceum and Mechanics' Institute. 1834. See Pamphlets, 



vol. 3d. 



LESSON, R. P. Illustrations de Zoologie ou choix de figures peintes d'apres nature des especes ine'dites et rarea 

 d'animaux recemment decouvertes et accompagn^es d'un texte descriptive, general et 

 particulier. 8vo. Plate, color. Paris: 1831. 



LINNE, C. Systema Naturae, sive Regna tria Nature. See Gmelin. 



LISTER, M. Historiae Animalium Anglias tres tractatus. Unus de Araneis. Alter de Cochleis turn Terrestribus 

 turn Fluvatilibus. Tertius de Cochleis Marinis. Small 4to. 9 Plates. With manuscript notes by 

 Dr. Goodall, Provost of Eton. London : 1678. 



Historiae Conchyliorum Oxonii. With Indexes by Huddesford and Dillwyn. 1059 Plates, and 22 



additional Plates, chiefly anatomical. Folio. Oxoniae : 1770. 



LONG, S. H. Narrative of an Expedition to the Source of St. Peter's River, Lake Winnepek, Lake of the Woods, 

 &c. Performed in the year 1823. With an Appendix on Zoology. By T. Say. 2 vols. 8vo. 

 Philadelphia: 1824. 



