172 [October, 



October 12ih. 

 Major John Le Conte in the Chair. 



Letters were read 



From Dr. Martyn Paine, dated New York, Oct. 5th, 1852, present- 

 ing the works announced this evening. 



From the Librarian of the Manchester (England) Free Library and 

 Museum, dated Sept. 6, 1852, acknowledging the receipt of copies of 

 the late " Notice of the Academy by Dr. Ruschenberger.'^ 



From the Secretary of the Leeds Philosophical and Literary Society, 

 dated Sept. 6, containing a similar acknowledgment. 



October 19/^. 

 Major John Le Conte in the Chair. 



Letters were read 



From the Secretary of the Trustees of the New York State Library, 

 acknowledging the receipt of No. 5, Vol. 6, of the Proceedings. 



From the Secretary of the Theological Society, of London, dated 

 Oct. 17th, 1852, acknowledging the receipt of the Proceedings and 

 Journal of the Academy. 



From the Secretary of the ^'Naturwissenschaftliche Yerein in Ham- 

 burg," dated May 28th, 1852, transmitting the volumes announced 

 this evening, and requesting an exchange of publications. 



From M. Lacordaire, Secretary of the Societe Royale des Sci. de 

 Liege,'' dated 9th July, 1852, transmitting the memoirs of that Society, 

 and also requesting an exchange of publications. 



From Dr. T. I. Kirkbride, Superintendent of the Pennsylvania Hos- 

 pital for the Insane, dated Oct. 15, 1852, requesting the loan or gift 

 of duplicate objects of Natural History for the Museum of that Insti- 

 tution. Referred to the Curators with power to act. 



Dr. Hallowell presented a paper designed for publication in the Pro- 

 ceedings, describing some new Reptiles inhabiting North America. 

 Referred to Dr. Leidy, Dr. Le Conte and Dr. Woodhouse. 



Dr. Hallowell presented a second pnper, also for publication, entitled, 

 *' Descriptions of new species of Reptiles from Oregon Territory.'* 

 Referred to the same Committee. 



Mr. Cassin presented a "Catalogue of the Halcyonidse in the Col- 

 lection of the Acad. Nat. Sci. Philadelphia," which being intended for 

 publication in the Proceedings, was referred to the following Committee : 

 Dr. Wilson, Dr. Bridges and Dr. Woodhouse. 



Mr. Cassin presented another paper intended for publication, de- 

 scribing new species of liirds, specimens of which are in the Collec- 

 tion of the Acad. Nat. Sci. of Philadelphia. Referred to same Com- 

 mittee. 



