148 [August, 



The death of the Rt. Rev. Bishop Alonzo Potter, of Penn- 

 sylvania, who died at San Francisco on the 4th inst., aged 

 65, was announced by Mr. Chase ; and the Rt. Rev. Bishop 

 Stevens was appointed to prepare an obituary notice of the 

 deceased. 



Prof. Cresson made a communication on four simultaneous 

 rainbows which he observed at Atlantic City on the 7th inst. 



Mr. Chase announced that he had made certain experi- 

 ments on aerial currents as producing magnetical polarity. 



The election for members was postponed. 

 Kew nomination No. 541 was read. 

 And the Society was adjourned. 



Stated Meeting, August 18, 1865. 



Present, four members. 



Prof. Cresson, Vice-President, in the Chair. 



Letters acknowledging the receipt of Proceedings No. 73 

 were received from the Essex Institute, the New Hampshire 

 Historical Society, the Northern Academy at Hanover, 

 N. H., and the U. S. Coast Survey. 



Letters announcing donations for the library were received 

 from the Central Statistical Commission, Bruxelles, July 7th, 

 and Dr. Peters, of Altoona. 



Donations for the library were received from the British 

 Meteorological and Liverpool Philosophical Societies ; Har- 

 vard College ; Mr. Hough, of Albany ; Hon. W. H. Brown, 

 of Chicago ; the Nat. Hist. Lyceum and Rensselaer Poly- 

 technic Institute of New York; the Entomological Society, 

 Franklin Institute, Academy of Natural Sciences, and Dr. 

 Leidy, of Philadelphia ; and the Santa Clara College, Saa 

 Francisco. 



Dr. Ruschenberger announced the death of a member, Mr. 



