present at a lecture to be delivered by him on Monday after- 

 noon next, at 4 o'clock. 



The following donations were announced : — 



I, 



FOR THE LIBRARY. 



Astronomical Observations made at the Radcliffe Observatory, Ox- 

 ford, in the year 1849: By Manuel J. Johnson, M.A. Radcliffe 

 Observer. Vol. X. Oxford, 1851. 8vo. — From the Radcliffe 

 Trustees. 



Proceedings of the Academy of Natural Sciences of Philadelphia : 

 Vol. VI. No. 12. Nov. Dec. 1853. Philadelphia. 8vo.— From 

 the Academy. 



Documentary History of the State of New York ; arranged under 

 the direction of the Hon. Christopher Morgan, Secretary of State; 

 By E. B. O'Callaghan, M.D. Vols. III. !V. Albany, 1850. 

 4to. — From the State of Nero York. 



Documents relative to the Colonial History of the State of New- 

 York: procured in Holland, England and France, by John Ro- 

 meyn Brodhead, Esq. Agent, &c. Vol. III. Albany, 1853. 

 4to. — From the same. 



Catalogues of the Maps and Surveys in the Offices of the Secretary 

 of State, of the State Engineer and Surveyor, and in the New 

 York State Library. Albany, 1851. 8vo.— From the same. 



Exploration of the Valley of the Amazon, made under the direction 

 of the Navy Department, by William Lewis Herndon and Lard- 

 ner Gibbon, Lieutenants U. S. N. Part I. by Lieut. Herndon. 

 With a volume of IVIaps. Washington, 1853. 8vo. — From the 

 Hon. James Cooper, U. S. Senate. 



Characteristics of some New Reptiles in the Museum of the Smith- 

 sonian Institution. By Spencer F. Baird and Charles Girard. 

 (Proc. Acad. Nat. Sci. Oct. 1852:) and 



Descriptions of New Species of Reptiles collected by the U. S. Ex- 

 ploring Expedition under the command of Capt. Charles Wilkes, 

 U- S. N. Part 2. By Charles Girard. Svo.— From the Authors. 



Illustrations of the Birds of California, Texas, Oregon, British and 

 Russian America: By John Cassin. Parts 2, 3. Philadelphia, 

 1853. 8vo.— From the Author. 



A Discourse commemorative of the late William E. Horner, M.D. 

 Professor of Anatomy: — delivered before the Faculty and Stu- 

 dents of the University of Pennsylvania, Oct. 10, 1853. By Sam- 



