Eee 
Report from the secretary of the thesaury of scientific investiga- 
tions in relation 10 sugar and Hydrometre, by prof. M. Cul- 
loch. Washington, 1848: 1 vol. 8». 
Report of the secretary of war in formation to the geology and 
topography of California. Washington, 1850; 4 vol. 8°. 
Letter of the Secretary of the treasury, report of tables to be used 
with the hydrometer recently adopted for use in the United- 
States Custom-haus: 4 vol. 8°. 
Report of hon T. Builer King ou California. Washington, 1850; 
A cab. 8°. 
Report of the Secretary of Staate. The report of the Rev. R.-R. 
Gurley whowas recently sent ont by the governement to 
obtain information in respect 10 Liberia; 4 cah. 8. 
Report of the Secr. of war. The report of en exploration of the 
Territory of Minnesota, by Brevet Capit Pope; 4 cah. 8. 
Report id.; in compliance with a resolution of the Senata, of the 
21 February 4849 a copy of the official journal of Lieutenant- 
Colonel Philip Saint-George Cooke, from Santa-Fé to San- 
Diego. 
Cryptocephalinarum Boreali Americæ. Haldemann. Broch. 4°. 
On Platygonus compressus a new fossil. Pachyderm. LeConte. 
Broch. 4°. 
Of Hippotamus Liberiensis by S.-Q. Morton ; broch. 4°. 
Monograph of the Fossil Squalidæ 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 the North American Tailed Batrachia, by Spencer Fr. 
Baird; broch. 4°. 
Fresenius. Chemische Untersuchung der wichtigsten Mmeralwas- 
ser des Herzogthums Nassau ; 1 broch. 8°. 
H. Brauns. Uber die Existenz des lodes in der Heilquelle von 
Saxon ; 1 broch. 8°. 
L. Agassiz. Contemplations of God in the Kosmos; 1 broch. 8°. 
Christophe Puggaard. Ubersicht der Geologie der Insel Môen; 
À broch. 8°. 
