— 93 — 



Report fiom llie sccrotary of llie lliesaury of scienliHc invesliga- 

 tions in relatTon lo siigar and Hydrometre, by prof. M. C.iil- 

 locli. Wasliinglon, 1848. 1 vol. 8°. 

 Report of ihe secretary of war in formation lo tlie geology and 



lopograpliy of California. Washington, 18o0; i vol. 8^. 

 Letter of tlie Secretary of the treasury , report of tables to be used 

 witli tlie hydrometer recently adopted for use in the Uniied- 

 Stales Cuslom-haus : 1 vol. 8". 

 Report of lion T. Bialer King on California. Washington, 1850; 



1 cah. 8°. 

 Report of the Secretary of Siaate. The report of the Rev. R.-R. 

 Gurley whowas recently sent ont by the governement to 

 obtain information in respect lo Libéria: 1 cah. 8°. 

 Report of the Secr. of war. The report of en exploration of ihe 



Territory of Minnesota, by Brevet Capil Pope: i cah. 8°. 

 Report id.: in compliance with a resolution of the Senata, ofthe 

 21 February 1 849 a copy of the officiai journal of Lieutenant- 

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 Cryptocephalinarum Boreali America?. Haldemann. Broch. 4°. 

 On Platygonus compressus a new fossil. Pachyderm. LeConte. 



Broch. 4^ 

 Of Hippolamus Liberiensis by S.-Q. Morton; broch. 4". 

 Monograph of the Fossil Squalidae of the United States. R.-W. 



Gibbes. 1. 2. Broch. 4°. 

 New-species of Myliobata from the Eocene by R.-W. Gibbes; 



broch. 4". 

 Abstract of the Swenth Census of the United States: broch. 4°. 

 Revision of ihe North American Tailed Batrachia, by Spencer Fr. 



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 Fresenius. Chemische Untersuchung der wichtigsten Mineralwas- 



ser des Herzogthums Nassau ; 1 broch. 8". 

 H. Brauns. Uber die Exislenz des Fodes in der Heilquelle von 



Saxon: 1 broch. S". 

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 Christophe Puggaard. Ubersichi der Géologie der Insel Moen: 

 1 broch. S". 



