Memoir opon the geological action of the tidal and other currents 

 the Ocean, by Charles Henry Davis, A. M. A. A. S. Cam- 

 bridge 1849. 4. 

 (From the memoirs of the American Academy of arts and scien- 

 ces, new series, Vol. IV). 



Die Universitats-Sternwarte in Christiania. Christiania 1849. 4. 



Cours el^mentaire de Chimie par M. V. Regnault, Ingenieur en 

 chef des Mines etc. Deuxiemc edition. Vol. 1— IV. Paris 

 1849-50. 



Memoir geographical, political and commercial on the present 

 state, productive resources and capability for commerce of 

 Siberia, Manchuria and the Asiatic Islands of the Northern 

 Pacific Ocean etc. by Aron H. Palmer, councelor of the su- 

 preme court of the united Stales. 



Proceedings of the Academy of natural sciences of Philadelphia. 

 (Titelblad og Register til 4de Bind 1848. 1849 og Text Side 

 245-270 og S. 1—20 for 1850.) 



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