By-Laws. xxi 



issued subsequent to their election. Authors of papers 

 shall be entitled to twenty extra copies of their individual 

 papers. 



XVIII. SALE OF REAL ESTATE. 



The property conveyed to The Academy of Science of St. 

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

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

 McMillan and William N. McMillan, shall not be mortgaged 

 or voluntarily incumbered 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 pre- 

 scribed 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, Roherfs Rules of Order shall 

 be the authority. 



XX. AMENDMENTS. 



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

 all the members present at any regular meeting, provided 

 notice of the proposed amendment shall have been mailed to 

 everv member at least one week before the vote thereon is 

 taken. 



