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Motus Gyratorii Exhibentium. Dorpati, 1849. folio pampli. From 

 the Author. 



Prof. R. S. McCulloh. Report from the Secretary of the Treas- 

 ury, of Scientific Investigations in Relation to Sugar and Hydrometers. 

 Made under the Superintendence of Professor A. D. Bache. Revised 

 Edition. Washington, 1848. 8vo. From the Hon. R. C. Winthrop. 



Patent-Office Report for 1847. Washington, 1848. 8vo. From 

 the Hon. R. C. Winthrop. 



N. D. Wailly. Elements de Paleographie. Paris, 1838. 2 vols, 

 folio. From the French Minister of Public Instruction, through Mr. 

 Alexander Vattemare. 



The Report of the British Association for the Advancement of Sci- 

 ence, for the Year 1848. 8vo. London, 1849. From the British 

 Association. 



Prof. Mitchell. Manner of Observing and Recording the Celestial 

 Phenomena by a Machine. (A newspaper published at Cincinnati, 

 19th Sept., 1849. With a Plate.) From Prof. Mitchell. 



Prof C. B. Adams. Monograph of Stoastoma, a new Genus of new 

 Operculated Land Shells. Amherst, Mass., Sept., 1849. 4to pamph. 

 From the Author. 



Victor Jubien. Poesies, Vaudevilles, &c. Maurice, 1842. From 

 the Author. 



Victor Jubien. Precis de Rhetorique, suivi des Regies auxquelles 

 sont assujettis les difFerents Ouvrages de Litterature. Maurice, 1843. 

 From the Author. 



James D. Dana. Geology of the United States Exploring Expe- 

 dition. 1 vol. 4to. With an Atlas of Plates, folio. Philadelphia, 

 1849. From the Author. 



Prof. C. B. Adams. Contributions to Conchology, Nos. 1, 2, 3, 

 4, 5. 8vo pamph, Amherst, Massachusetts, 1849-50. From the 

 Author. 



Hon. R. C. Winthrop. An Address before the Maine Historical 

 Society, at Bowdoin College. Boston, 1849. 8vo pamph. From the 

 Author. 



Alfred Smee. Elements of Electro-Biology ; or the Voltaic Mech- 

 anism of Man ; of Electro-Pathology, especially of the Nervous Sys- 

 tem ; and of Electro-Therapeutics. 8vo. London, 1849. From the 

 Author. 



Col. Edward Sabine. Directions for the Use of a Small Appa- 



