172 _ {OcroBEr, 
October 12th. 
Major Joun LE Conve 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 (Kngland) 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, 1852, containing a similar acknowledgment. 
October 19th. 
Major JoHN LECoNTE in the Chair. 
Letters were read 
From the Secretary of the Trustees of the New York State ring” 
acknowledging the receipt of No. 4, 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 Verein in Ham- 
burg,’ dated 28th May, 1852, transmitting the volumes announced 
this evening, and requesting an exchange of publications. 
From M. Lacordaire, Secretary of the ‘ Sociéte 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. Re- 
ferred to Dr. Leidy, Dr. Le Conte and Dr. Woodhouse. 
Dr. Hallowell presented a second paper, 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 Haleyonidee 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 Birds, specimens of which are in the Collec- 
tion of the Acad. Nat. Sei. of Philadelphia. Referred to same Com- 
mittee. 
