By-Laws. xxiii 



election. Authors of papers shall be entitled to twenty 

 extra copies of their individual papers. 



XVIII. SALE OF EEAL ESTATE. 



The property conveyed to The Academy of Science of 

 St. Louis on the eighteenth day of March, 1903, by Edgar 

 E. Hoadley and Lavinia L. Hoadley, as a gift from Mrs. 

 Eliza McMillan and William N. McMillan, shall not be 

 mortgaged or voluntarily encumbered by the Academy 

 of Science ; and the said property shall not be sold, except 

 with the consent of two-thirds of the members of the 

 Academy of Science, obtained by letter-ballot, in such 

 manner as may be prescribed by the Council ; and, when 

 sold, the proceeds of the sale or so much thereof as may 

 be necessary, shall be used to provide a suitable location 

 and building for the use of The Academy of Science of 

 St. Louis. 



XIX. AUTHORITY. 



On all points of order and procedure, not provided for 

 in the Constitution and By-Laws, Robert's Rules of 

 Order shall be the authority. 



XX. AMENDMENTS. 



These By-Laws may be amended by two-thirds vote 

 of all the members present at any regular meeting, pro- 

 vided notice of the proposed amendment shall have been 

 mailed to every member at least one week before the vote 

 thereon is taken. 



