PROCEEDINGS 



AMERICAN PHILOSOPHICAL SOCIETY. 



Vol. II. MAY, JUNE & JULY, 1842. No. 22. 



Stated Meeting, May 6. 

 Present, thirty-seven members. 



Dr. Chapman, Vice-President, in the Chair. 



Mr. Nicollet, a member elect, was presented to the presiding 

 officer, and signed the Laws. 



Letters were read: — 



From the Academy of Sciences of Paris, dated 11th Oct. 

 1841, — the Museum of Natural History of Paris, dated 16th 

 Nov. 1841, — the Royal Institution of London, dated 29th Nov. 

 1841, and 22d Jan. 1842, — the Geological Society, dated 20th 

 Jan. 1842, — the Zoological Society, dated 14th Jan. 1842, — the 

 Linnean Society, dated 20th Jan. 1842, — the Society of Arts 

 of London, dated 22d Jan. 1842, — the Boston Natural History 

 Society, dated 6th April, 1842, — the Lyceum of Natural His- 

 tory of New York, dated 12th April, 1842, severally acknow- 

 ledging the receipt of copies of the Society's Transactions and 

 Proceedings: — 



From the Museum of Natural History of Paris, dated 28th 

 Feb. 1842, in relation to the transmission to this Society of the 

 Archives of the Museum: — 



From the London Electrical Society, dated 31st Dec. 1841, 

 stating that Part III. of their Proceedings had been forwarded 

 to this Society: — 



From Mr. Samuel Bailey, dated Sheffield, 15th Dec. 1841, 

 presenting a copy of his treatise on Berkley's Theory of Vi- 

 sion : — 



From Messrs. R. Murchison and Edward Sabine, General 

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