cxii Trans. Acad. Sci. of St. Louis. 



Orth (Berlin), :Prof.Wilhelm Oswald (Leipzig), Sir William 

 Ramsay (London), Prof. Ernest Rutherford (Montreal), 

 Prof. J. W. Vau't Hoff (Berlin), Geh. Rath Prof. Dr. Wil- 

 helm Waldeyer (Berlin), Prof. Dr. A. Wassermann (Berlin), 

 Geh. Rath Prof. Dr. L. Wittmack (Berlin), from all of 

 which courteous letters of acceptance were received. 



OFFICERS AND MANAGEMENT. 



The ojQScers, who are chosen from the active members, con- 

 sist of a President, two Vice-Presidents, Recording and Cor- 

 responding Secretaries, Treasurer, Librarian, three Curators, 

 and two Directors. The general business management of the 

 Academy is vested in a Council composed of the OiEcers. 



The office of President has been filled by the following well- 

 known citizens of St. Louis, nearlj^ all of whom have been 

 eminent in some line of scientific work: George Engelmann, 

 Benjamin F. Shumard, Adolphus Wislizenus, Hiram A. 

 Prout, John B. Johnson, James B. Eads, William T. Harris, 

 Charles V. Riley, Francis E. Nipher, Henry S. Pritchett, 

 John Green, Melvin L. Gray, Edmund A. Engler, Robert 

 Moore, Henry W. Eliot, Edwin Harrison, and Adolf Alt. 



MEETINGS. 



The regular meetings of the Academy are held at its build- 

 ing, 3817 Olive Street, at 8 o'clock, on the first and third 

 Monday evenings of each month, a^recess being taken between 

 the meeting on the first Monday in June and the meeting on 

 the third Monday in October. These meetings, to which 

 interested persons are always welcome, are devoted in part to 

 the reading of technical papers designed for publication in the 

 Academy's Transactions, and in part to the presentation of 

 more popular abstracts of recent investigation or progress. 

 From time to time public lectures, calculated to interest a 

 larger audience, are provided for in some suitable hall. 



The following dates for regular meeting for the year 1907 

 have been fixed bv the Council: — 



