IOWA ACADEMY OF SCIENCES. 
5 
signed by the president or vice-president and the secretary, and the signa- 
ture of these officers shall be conclusive evidence that the execution of the 
instrument was by authority of the corporation. 
ARTICLE VII. 
The private property of the members of this corporation shall not be 
liable for any of its debts or obligations. 
ARTICLE VIII. 
By-laws, rules and regulations, not inconsistent with these articles, may 
be enacted by the Academy. 
ARTICLE IX. 
These articles may be amended at any meeting of the Academy called 
for the purpose by assenting vote of two-thirds of the members present. 
