By-Laws. Xxi 
entitled to one copy of all the publications of the Academy 
issued subsequent to their election. Authors of papers 
shall be entitled to twenty extra copies of their individual 
papers. 
XVII. 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. Robert’s ules 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, provided 
notice of the proposed amendment shall have been mailed 
to every member at least one week before the vote thereon 
is taken. | 
