328 

 The following donations were announced :— 



FOK THE LIERASY. 



Abhandlungen der Koniglichen Akademie der Wissenschaften zu Ber= 

 lin, aus dem Jahre 1851. Berlin. 4to. — From the Royal Aca- 

 . demy of Sciences, Berlin. 



Monatsbericht der Konigl. Preuss. Akademie der Wissenschaften 

 zu Berlin. Jul. Aug. Sept. Oct. 1852. Berlin. 8vo. — Fro7n the 

 same. 



Monthly Notices of the Royal Astronomical Society: Vol. XIIL 

 Nos. 4, 5. Feb. March, 1853. London. 8vo. — From the So- 

 ciety. 



Journal of the Franklin Institute. Sd Series. Vol. XXV. No. 5. 

 May, 1853. Philadelphia. 8vo. — From the Institute. 



The African Repository: Vol. XXIX. No. 4. April, 1853. Wash- 

 ington. 8vo. — From the American Colonization Society. 



The American Journal of Science and Arts. 2d Series. Vol. XV. 

 No. 45. May, 1853. New Haven. S\o.—From Profs. Silli- 

 man and Dana, Editors. 



Ueber das Katoptrische und Dioptrische Beleuchtungssystem fiir 

 Leuchtthurme. Von Johann August Grunert, Prof zu Greifs- 

 wald. Greifswald, 1852. 8vo. — From the Author. 



On the probable number of the Native Indian Population of British 

 America. (From the- Proceedings of the Canadian Institute). By 

 Capt. J. H. Lefroy, R. A. Toronto. 8vo. — From the Author. 



A Digest of the Acts of Assembly and of the Ordinances of the In- 

 habitants and Commissioners of the District of Spring Garden, 

 for the Government of that District. By Robert Bethell, Solicitor 

 of the Corporation. Philadelphia, 1852. 8vo. — From the Au" 

 thor. 



The Astronomical Journal. Nos. 56, 57. April 19, 25, 1853. Cam- 

 bridge. 4to. — From Dr. B. A. Goidd,jr., Editor. 



The Medical Examiner and Record of Medical Science. New Series. 

 Vol. IX. No. 5. May, 1853. Philadelphia. 8\o.— From Drs. 

 Smith and Biddle, Editors. 



The Medical News and Library. Vol. XI. No. 125. May, 1853. 

 Philadelphia. 8vo. — Fr^om Blanchard <^ Lea. 



On a New Apparatus for the determination of Carbonic Acid, and on 

 Kemp's Thermostat. By Charles M. Wetherill, Ph. D. M.D.— 

 From the Avthor. 



