386 DONATIONS. 



Goeppert, H. R., M.D. Auszug aus der Uebersicht der Arbeiten 

 mid Veranderungen der Schlesiscben Gesellschaft filr vater- 

 landische Kultur im Jahre 1839, 1843, 1845 und 1847. 



Humboldt, Alexander von. Cosmos. A Sketch of a Physical De- 

 scription of the Universe, 2 vols. From Dr. G. A. Mantel!^ 

 F.P.G.S. 



Joberty A. C. G. Ideas, or Outlines of a New System of Philosophy. 

 Essay the 2nd and last. 



Leonhard, Dr. K. C. von, und Dr. H. G. Bronn. Neues Jahrbuch 

 fiir Mineralogie, Geognosie, Geologic und Petrefaktenkunde, 

 1840-43. From Sir Roderick Impey Murchison, V.P.G.S. 



Logan, W. E. Geological Survey of Canada. Report on the north 

 shore of Lake Huron, 1849. 



Lubbock, Sir J. W. On the Theory of the Moon. Part 7. 



Lyell, Sir Charles. A Second Visit to the United States of North 

 America. 2 vols. 



Nattali, M. A. Catalogue of Books for 1849. 



Nicol, James. Manual of Mineralogy. 



Petermann, Augustus. On the Depression of the Dead Sea, and on 

 the Fall of the Jordan, as compared with that of British Rivers. 



Pissis, M. Memoire sur les Rapports qui existent entre la configu- 

 ration des Continents et la direction des Chaines de Montagues. 



