CATALOGUE OF BOOKS AND PAMPHLETS. 65 



HUMBOLDT, Alexander von. Essai Geognostique sur le Gissement 

 des Roches dans les Deux Hemispheres. 



8vo. 379 pp. Paris, 1823. 



Essai Politique sur le Royaume de la Nouvelle-Espagne. 



Second edition. 4 vols. 8vo. Paris, 1825-1827. 



Fragmens de Geologic et de Climatologie Asiatique. 



8vo. 2 vols. in 1. 640 ppt Paris, 1831. 



Kosmos. Entvvurf einer physischen Weltbeschreibung. 



4 vols. 24mo. Stuttgart and Augsburg, 1845, 1847, 1850, 



. 1858. 



Voyage aux Regions Equinoxiales $u Nouveau Continent 



fait en 1799, 1800, 1801, 1802, 1803 et 1804, par Al. de Hum- 

 boldt et A. Bonpland avec une Atlas, Geographique et Phy- 

 sique. 13 vols. 8vo. Paris, 1816-1831. 



HUMPHREYS, A. A. See under Geographical and Geological Ex- 

 plorations and Surveys West of the One Hundredth Meridian. 



See, also, under Journals, Report of the Chief of Engineers. 



and Abbot, H. L. Report upon the Physics and Hydraulics 



of the Mississippi River. 



4to. 602 pp., XX. plates. Philadelphia, 1861. 



HUNRICHS, J. W. A. Practische Anleitung zura Deich-Siel-und 

 Schlengen-Bau. 2 vols. 12mo. Bremen, 1770. 



HUNT, Robert A. A Descriptive Guide to the Museum of Practical 

 Geology, with notices of the Geological Survey of the United 

 Kingdom, the Government School of Mines, and the Mining 

 Record Office. 12mo. 298 pp. London, 1859. 



Mineral Statistics of the United Kingdom of Great Britain 



and Ireland, for the year 1858. Part I. 



8vo. 190 pp. London, 1859. 



T. Sterry. Bitumens and Pyrosehists. 8vo. 15 pp. 



Chemical Geology. Replies to the Criticisms of Mr. David 



Forbes. Vol. XX., Pamphlets. Octavo series. 



8vo. 31 pp. Montreal, 1867. 



Contributions to Lithology. Vol. II., Pamphlets. Duodecimo series. 



12mo. 51 pp. Montreal, 1864. 



Contributions to the Chemical and Geological History of 



Bitumens and of Pyrosehists or Bituminous Shales. Vol. xxv., 



Pamphlets. Octavo series. 8VO. 15 pp. 1863. 



Contributions to the Chemistry of Natural Waters. 



Vol. xvii., Pamphlets. Octavo series. 8vo" 54pp. Montreal, 1 865. 



Contributions to the History of Lime and Magnesia Salts. 



Vol. XXIX., Pamphlets. Octavo series. 8VO. 19pp. 1866. 



Esquisse Geologique du Canada suivie d'un Catalogue De- 



scriptif de la Collection de Cartes et Coupes geologiques, 

 Livres imprimes, Roches, Fossiles et Mineraux economiques 

 en voyee a 1'Exposition de 1867. Vol. xni., Pamphlets. Octavo series. 



8 vo. 72 pp. Paris, 1867. 



Note sur Les Sources Acides et les Gypses du Haut Canada. 



Vol. VII., Pamphlets. Quarto peries. 4tO. 4pp. 1855. 



On some Points in Chemical Geology. Vol. xx., Pamphlets. 



Octavo series. 8VO. 15 pp. 



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