STANDING RULES. 
XI 
16. Any member who is absent from the District of Colum¬ 
bia for more than twelve consecutive months may be excused 
from payment of dues during the period of his absence, in 
which case he will not be entitled to receive announcements of 
meetings or current numbers of the Bulletin. 
17. Any member not in arrears may, by the payment of one 
hundred dollars at any one time, become a life member, and be 
relieved from all further annual dues and other assessments. 
All moneys received in payment of life membership shall be 
invested as portions of a permanent fund, which shall be 
directed solely to the furtherance of such special scientific work 
as may be ordered by the General Committee. 
