October 19, 1885. 



The Academy met Monday evening, Oct. 19, 1885, at the Acad- 

 emy rooms, with President Nipher in the chair, and the following 

 members present : Dr. Evers, Dr. Hambach, Mr. Wheeler, Dr. 

 Todd, Mr. Tivy, Dr. Sander, Dr. Pollak, Mr. Seddon, Judge 

 Speck, Dr. Leete, Prof. Pritchelt, and Mr. Engler. 



Upon proper motion, and after examination of their respective 

 publications, the following societies were placed upon the ex- 

 change list of the Academy : '' Universitat und Landes Biblio- 

 thek," Strassburg ; "The Botanical Society of Lanshut," of Ba" 

 varia ; "Scientific Association of Meriden, Conn." ; *' Society of 

 Natural History," Brookville, Franklin Co., Ind. ; "Natural His- 

 tory Society," Sedalia, Mo. 



The receipt was acknowledged, with thanks, of the following 

 donations to the library of the Academy : "Maps of the City of 

 St. Louis, prepared for the 12th Annual Meeting of the American 

 Public Health Association, Oct. 14-18, 1884," presented by Mr. 

 Robert Moore ; "Official Map of the City of St. Louis," presented 

 by Mr. L. Boedicker ; "Proceedings of the American Pharma- 

 ceutical Association, 1S84," presented by Mr. J. M. Good. 



A paper by Prof. G. C. Broadhead on the "Geological History 

 of Missouri," and a paper by Mr. C. J. Reed, of Burlington, Io- 

 wa, on "The Graphical Representation of the Relation between 

 Valence and Atomic Weight," were referred to the Committee 

 on programme. 



Prof. Nipher read a paper on "The Iso-dynamic Surfaces of 

 the Compound Pendulum," which was referred to the Committee 

 on Publication. 



Dr. Hambach exhibited a single garnet crystal, weighing 3 lbs., 

 which he had obtained at Salida, Colorado ; also a beautifully 

 preserved fossil palm-leaf from Fossil Station, Wyoming. 



Adjourned. 



November 2, 1885. 



The Academy met Monday, Nov. 2d, 18S5, at the Academy 

 rooms. President Nipher in the chair and the following members 

 present: Messrs. Leete, Todd, Foote, Tivy, Sander, Adams, Lue- 

 deking, Hambach, Evers, Wheeler, and Engler. 



