LEH— LEI 



307 



Lehmann (Johann G-ottlob). AbhaucUnng von den Metall-Miittern uud 

 der Erzeugimg der Metalle. 8vo. Berlin^ 1753. 



. Versuch einer Greschicbte von Flotz-Gebiirgen, betreffend deren 



Entstehung, Lage, darinne befindliche Metallen, Mineralien und 

 Eossilien. 8vo. Berlin^ 1756. 



. L'arfc des mines, on Introduction aux connoissances necessaires pour 



I'exploitation des mines metalliques. 3 vols. 8vo. Paris, 1759. 



. Cadmiologia, oder Geschichte des Farben-Kobolds, nach seinen 



Nabmen, Arten, Lagerstadten, etc. 4to. Konigsherg, 1761. 



. Physikalisch-chymische Schriften, als eine Eortsetzung der Probier- 



Kunst. 8vo. Berlin^ 176]. 



2te Auflage. 8vo. Berlin, 1775. 



. Entwurf einer Mineralogie zum Dienst der Studierenden. 3te 



Auflage. 8vo. Frankfort and Leipzig, 1769. 



Le Hon (H.). Periodicite des grands deluges resultant du mouvemcDt 

 graduel de la ligne des apsides de la terre. (Tract.) 



8vo. Brussels, Leipzig, and Paris, 1858. 



. Histoire complete de la grand eruption du Yesuve de 1631. 



8vo. Brussels, 1865. 



. See KoNiNCK (L. de). 



Leibnitz (Gottfried Wilhelm von). Summa Polyhistoris Protogaea, . . . 



in lucem edita a Christian Ludowic Schiedius. 4to. Gbttingen, 1749, 

 Leichhardt (Ludwig). Notes on the Geology of parts of New South 



Wales and Queensland, made in 1842-43, edited by W. B. Clarke. 



(Tract.) 8vo. Sydney, 1866. 



Leidy (Joseph). On a new genus and species of fossil Euminantia : 



Poehrotlierium Wilsoni. (Tract.) 8vo. Philadelphia, 1847. 

 . On a new fossil genus and species of Euminantoid Pachydermata : 



Merycoidodon Cidhertsonii. (Tract.) 8vo. Philadelphia, 1848. 

 . On Bathygnathus borealis, an extinct Saurian of the New Eed 



Sandstone of Prince Edward's Island. (Tract.) 2 copies. 



4to. Philadelphia, 1850-54. 

 . (On Mammalian and Chelonian Eossils from the Mauvaises Terres 



of Nebraska.) (Tract.) 8vo. Washington ?, 1852. 

 . (On the remains of Extinct Cetacea from the Greensand of New 



Jersey.) (Tract.) 8vo. Philadelphia?, 1852-53. 



. The Ancient Eauna of Nebraska. (Tract.) 4to. lVas7iington,1853. 



. A Memoir on the extinct Sloth Tribe of North America. (Tract.) 



4to. Washington, 1855. 



. Descriptions of some Eemains of Eishes from the Carboniferous 



and Devonian Formations of the United States, (and) Descriptions of 

 some Extract Mammalia. (Tract.) 4to. Philadelphia, 1856. 



. Notice of the Eemains of the Walrus discovered on the coast of 



the United States ; Description of remains of Eishes from the Car- 

 boniferous Limestone of Illinois and Missouri ; Eemarks on Sauro- 

 cephalus and its Allies ; Observations on the Extinct Peccary of 

 North America ; (and) Eemarks on the Structure of the Eeet of 

 Megalonyx. (Tract.) 4to. Philadelphia, 1857. 



. Extinct Yertebrata from the Judith Eiver and Great Lignite For- 

 mations of Nebraska. (Tract.) 2 copies. 4to. Philadelphia, 1859. 

 See also Hatden (F. Y.). 



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