Abstract of History. 



XXI 



three Curators and two Directors. The general business 

 management of the Academy is vested in a Council com- 

 posed of the officers. 



The office of President has been filled by the following 

 well-known citizens of St. Louis, nearly 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, Wil- 

 liam T. Harris, Charles V. Riley, Francis E. Nipher, 

 Henry S. Pritchett, John Green, Melvin L. Gray, Ed- 

 mund A. Engler, Robert Moore, Henry W. Eliot, Edwin 

 Harrison, Adolf Alt, Calvin M. Woodward, and William 

 Trelease. 



MEETIlSrGS. ' 



The regular meetings of the Academy are held at its 

 building, 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 wel- 

 come, are devoted in part to the reading of technical 

 papers designed for publication in the Academy's Trans- 

 actions, 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 meetings for the year 

 1912 have been fixed by the Council ; 



