228 
TYPHOID FEVER IX DISTRICT OF COLUMBIA. 
sedimentation to take place, and the amoimt of pollution of the 
water, and its turhiditv.'' 
The following resolution was passed bv the society and acted upon 
by the president : 
Resolved, That the president of the'society be authorized to appoint a committee 
of five for the pmpose of inquiring into the efficiency of the city vater-filtration plant, 
and to make such recommendations as may be deemed necessary* to secure a clear 
and wholesome water supply. 
