1879.] &b ' 



Stated Mating, November 7, 1879. 



Present, 9 members. 



Vice-President, Mr. E. K. Price, in the Chair. 



A photograph of Mr. Juhlin Dannfelt was received for 

 insertion in the album. 



A letter accepting his appointment to prepare an obituary 

 notice of the late Henry C. Carey was received from Prof. 

 R. E. Thompson, dated October 22. 



Letters of envoy were received from the IT. S. War De- 

 partment Nov. 6, and Smithsonian Institution, Nov. 4. 



Donations for the Library were received from M. Dann- 

 felt, of Stockholm ; the Academies at Copenhagen, Berlin 

 and Brussels ; the Vaudois Society ; the Geographical So- 

 ciety and Political Review of Paris; Annales des Mines, 

 and Museum of Natural History; Commercial Geographical 

 Society at Bordeaux ; Nova Scotia Institute ; Essex Insti- 

 tute; Boston Natural History Society ; Cambridge Museum ; 

 American Antiquarian Society ; American Journal of Sci- 

 ences; American Chemical Society, and Journal of Otology, 

 N. Y. ; Brooklyn Entomological Society ; North American 

 Entomologist ; Pennsylvania Historical Society, Medical 

 News, American Journal of Pharmacy, and Mr. II. Haupt, 

 Jr., of Philadelphia; Second Geological Survey of Pennsyl- 

 vania; Prof. Himes, of Carlisle, Pa. ; the Cincinnati Society 

 of Natural History; Dr. Saml. D. Gross ; Mr. Geo. W. Ranck ; 

 the American Antiquarian, of Chicago ; the Ministerio de 

 Fomento ; and the U. S. War Department. 



The death of Prof. James Clerk Maxwell, of England, 

 Nov. 5, 1879, in the 48th year of his age, was announced by 

 the Secretary. 



Dr. LeConte exhibited a piece of iron pipe much corroded 

 and obstructed by deposit from city water during the last 

 thirty years, as illustrating the formation of brown hematite 

 ore beds. The pipe connected the Juniper street main with 

 the laboratory of the U. S. Mint, and leaked from having 

 spontaneously parted. 



