XX 



Trans. Acad. Sci. of St. Louis. 



three Curators and two Directors. The general business 

 management of the Academy is vested in a Council com- 

 posed of the olTicers. 



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, I\Ielvin L. Gray, Ed- 

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

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

 Trelease. 



MEETINGS. 



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 Vv^hich 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 i^art 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 

 1913 have been fixed by the Council : 



