200 ^ 



Trustees of the Clinton Hall Association. New York. 8vo. — 

 From the Trustees. 



The African Repository. Vol. XXXII. No. 6. June, 1856. Wash- 

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



Message from the President of the Urited States to the two Houses of 

 Congress, at the commencement of the First Session of the Thirty- 

 fourth Congress: — With accompanying Documents. Part 3. 

 Washington, 1855.. 8vo. — From the Hon. J. R. Tyson. 



Professor William Chauvenet's Great Circle Protractor, — with De- 

 scription and Application. Annapolis. 1854. — Fro7n the Au- 

 thor. 



Eulogy on the Life and Character of Theodric Romeyn Beck, M.D. 

 L.L.D. Delivered before the Medical Society of the State of New 

 York, by Frank Hastings Hamilton, M.D. Albany, 1856. 8vo — 

 From Mr. John H. Hickox. 



A Discourse on the Necessity of Revelation to the Knowledge of the 

 Existence of God, Spirit and Immortality. By C. F. H. Crockett, 

 M.D. Richmond, 1856. 8vo. — Donor itnknow?i. 



The Astronomical Journal. Nos. 93, 94. (Vol. IV. Nos. 21, 22). 

 Cambridge. 4to. — From Dr. B. A. Gould, jr. Editor. 



On the New Red Sandstone Formation of Pennsylvania. — Descrip- 

 tion of a new Sub-Genus of Naiades. — Description of a New Spe- 

 cies of Triquetra. — Description of New Fresh Water Shells from 

 California. — Description of Twenty-five New Species of Exotic 

 Uniones. By Isaac Lea, L.L.D. &c. &c. (Proc. Acad. Nat. Sci.) 

 Philadelphia, 1856. 8vo. — From the Author. 



The Medical News and Library. Vol. XIV. No. 162. June, 1856. 

 Philadelphia. 8vo. — From Blanchard <S^ Lea. 



FOK THE CABINET. 



Two Medals, one of silver and one of bronze, in memory of Dr. 

 Charles Frederick Gauss, struck by order of H. M. the King of 

 Hanover, and presented through the Royal Society of Sciences 

 at Gottingen. 



Dr. Hallowell presented a paper entitled '^ Notice of some 

 New and Rare Species of Scincidae, in the Collection of the 

 Academy of Natural Sciences of Philadelphia/' which was 

 referred to a Committee, consisting of Dr. Le Conte, Dr. 

 Bridges and Mr. Lea. 



