6 SCHOOL OF MINES LIBRARY. 



LARIYIERE, A. E. Description Geognostique du Grand Duche de 

 Luxembourg. 4to. 157pp. Brussels, 1828. 



LAUR, J. A. Yereinfachte und vervollkommende practische Geo- 

 dasie. 2 vols. 8vo. Leipsig, 1857. 



M. P. De la Production des Metaux Precieux en Californie. 



8vo. 132 pp. Paris, 1862. 



LAURE, G. C. Die Echinoiden der Oesterreichische Ungarischen 

 Oberen Tertiarablagerungen. 4to. 75 pp. Vienna, 1871. 



LAURENT, Auguste. Precis de Cristallographie. 



12mo. 104pp. Paris, 1847. 



Methode de Chimie. 8vo. 464 pp. Paris, 1854. 



LAVOISIER, Antoine Laurent. Elements of Chemistry in a New 



Systematic Order, &c. Translated from the French by Rob- 

 ert Karr. 2 vols. in 1. 8vo. New-York, 1806. 



Traite Elementaire de Chemie. Second edition. 



2 vols. in 1. 8vo. Paris, 1793. 



LAW, Henry. The Elements of Euclid, with many additional pro- 

 positions and explanatory notes; to which is prefixed an 

 Introductory Essay on Logic. 



12mo. 348 pp. London, 1870. 



A Treatise on Logarithms and Trigonometrical and other 



Mathematical Tables. 16mo. 327pp. London, 1867. 



LAW Relating to the Regulation of Mines in Nova Scotia. Vol. in., 



Pamphlets. Octavo series. 8VO. 27pp. Halifax, 1873. 



LEA, Carpenter, Stimpson, Binney and Prime. Check Lists of the 

 Shells of North America. /Smith. Misc. Coll. 



8vo. Washington, 1860. 

 LEAVITT, T. H. Facts About Peat, as an Article of Fuel. 



8vo. 168 pp. Boston, 1866. 

 LE BEUF. L'Amelioration des Liquides. 



24mo. 261 pp. Paris, 1862. 



LE BLANC. Nouveau Systeme complet de Filature de Coton usite 



en Angleterre. 4to. 156 pp. Paris, 1828. 



LECOUTE, John L. Classification of the Coleoptera of North 



America. Prepared for the Smithsonian Institution. Smith. 



Misc. Coll. Parts 1 and 2. 



8vo. 348pp. Washington, 1861-1873. 



New Species of North America Coleoptera. Prepared for the 



Smithsonian Institution. Smith. Misc. Coll. Parts 1 and 2. 



8vo. 240 pp. Washington, 1863-1873. 



LEDEBUR, A. Das Roheisen in bezug auf seine Verwendung zur 



EiseilgieSSerei. Vol. VIII., Pamphlets. Octavo series. 



8vo. 81 pp., II. plates. Leipsig, 1872. 



LEE, Thomas, J. Tables and Formulae useful in Surveying, Geo- 

 desy and Practical Astronomy, including Elements tor the 

 Projection of Maps, and Instruction for Field Magnetic Sur- 

 veying. Third edition. Prof. Pap. Corp. ofEny. U. A., 

 No. 12. 8vo. 310 pp. Washington, 1873. 



LEEDS, Albert R. See Wurtz, Henry, and Leeds, Albert. 



LEGENDRE, Adrien Marie. Elements de Geometrie, avec additions 

 et modifications par A. Blanchet. 8vo. 280pp. Paris, 1859. 



LE GENIE Industrielle. See under Journals. 



