640 



Dr. Konlg read a paper On tlie occurrence of Perowskite 

 at Magnet Cove, Arkansas. 



Mr. Chase communicated notes on the Signal Service 

 weather maps, and on newly-discovered planetary harmo- 

 nies. 



The minutes of the last meeting of the Board of officers 

 and members in council were read. 



Nominations jSTos. 781 and 783 were read. 



Mr. Fraley announced that he had received the quarterly 

 interest on the Michaux legacy, due July 1st, last. 



The meeting was then adjourned. 



Stated Meeting^ September 17th, 1875. 



Present, 15 members. 



Vice-President, Mr. Fraley, in the Chair. 



Letters accepting membership were received from Dr. 

 Thomas M. Drown, Lafayette College, Easton, Pa., July 23d, 

 and Prof. J. L. Campbell, Centennial rooms, Philadelphia, 

 July 31st, and a carte-de-visite from Mr. Birch, in a letter 

 from the British Museum, London. 



Letters of acknowledgment were received from the R. A. 

 d. Lincei, Rome, Dec. 8 (XV, i, 90, 91) ; the New York 

 Hist. Soc, June 18th (XA^, ii, 94) ; the U. S. Naval Obs., 

 Washington, July 23d (XV, ii) ; the Victoria Institute, 

 Loudon, July 6th (93) ; the Statistical Society, London, 

 July 19th (93) ; the Leeds Philos. and Lit, Society, July 

 14th (93) ; the Society of Antiquaries, London, August 4th 

 (93) ; the R. A. S., Lisbon, July 22d (XV, i, 90, 91, 93) : the 

 ]Sr. H. S., Northumberland, New-Castle-on-Tyne, August 

 31st (94) ; the R. Geog. Society, London, July 20th (62, 88, 

 93 to complete its set) ; the Verein flir Vaterl. Naturkunde 

 at Stuttgart, Nov. 24th, 1874 (92, 93). Dr. Kraus^ 

 librarian, writes that a complete set can be sent only in ex- 

 change for a complete set. 



