306 PROCEEDINGS OF [1843. 



From P. A. Browne, Philadelphia, May 15, 1843. 



From Lieut. Cadwalader Ringgold, U. S. Navy, Baltimore, May, 

 16, 1843. 



From George Gibbs, New York, May 17, 1843 : Answering letter 

 respecting the zygodon.and stating that that valuable fossil was bought 

 for the State collection at Albany. 



From J. G. Syz, Consul General of Switzerland, Philadelphia, 

 May 17, 1843. 



From J. A. BoUes, Secretary of the Commonwealth of Massa- 

 chussetts, Washington, May 18, 1843 : Has deposited seven volumes 

 scientific, agricultural, and geological reports of Massachussetts, 

 which he brought on for the Institute. 



From B. Ogle Tayloe, Washington, May 18, 1843 : Stating that 

 two series of rare medals of French and English sovereigns, from 

 William the Conqueror and Pharamond to Queen Victoria and 

 Louis Philippe, electrotyped by Professor Wyatt, have been pur- 

 chased by a club of members, and presented to the Institute. 



From M. Velasquez de la Cadena, New York, INIay 20, 1843. 



From Samuel W. VV^oodhouse, Brandywine, Chester County, 

 Pennsylvania, May 21, 1843. 



From Dr. J. C. Habersham, Savannah, May 22, 1843: Ac- 

 knowledging letter and expressing hope that Dr. Foreman, of Balti- 

 more, will unite with him in presenting the whole collection of the 

 fossil bones of the megatherium, &c., of Georgia, to the Insti- 

 tute. 



From W. B. Hodgson, Savannah, May 23, 1843 : Enclosing let- 

 ter from Dr. Habersham to Dr. Foreman, respecting the megatherium 

 fossils, now in Baltimore. 



From Charles Baldwin, New Haven, Connecticut, May 23, 1343 : 

 Suggesting a plan for the restoration of national exchanges, &ic. 



From W. B. Hodgson, Savannah, May 24, 1843 : Respecting the 

 zygodon. 



From A. Thomas Smith, acting Secretary of the Navy, IMay 26, 

 1843 : Acknowledging letter, enclosing Mr. Upshur's circular, and 

 stating that the box for the Institute lying at the navy yard would be 

 delivered. 



From P. A. Browne, Philadelphia, May 27, 1843: Describing 

 singular marks discovered in the centre of a solid rock of primitive 

 limestone, in 1830, in Montgomery County, Pennsylvania, which 

 rock, if acceptable to the Institute, lie will present. 



From Lieut. S. Jones, U. S. A., Hancock Barracks, May 28, 1843. 



From H. H. Sylvester, Washington, May 29, 1843. 



From J. Dunlap, (assignee of Judati Dobson,) Philadelphia, May, 

 1842: Enclosing bill against the Institute for books, amounting to 

 twenty-one dollars. 



From J. T. Sharpless, M. D., Philadelphia, June 1, 1843. 



From Jacob Porter, Plainfield, Massachussetts, June 1, 1843: 



