232 THE HOUSE FLY—DISEASE CARRIER 
any portion of the premises other than the bin or pit 
described, nor shall he allow any such bin or pit to be 
overfilled or needlessly uncovered. Horse manure may 
be kept tightly rammed into well-covered barrels for 
the purpose of removal in such barrels. Every person 
keeping manure in any of the more densely populated 
parts of the District shall cause all such manure to be 
removed from the premises at least twice every week 
between June ist and October 31st, and at least once 
every week between November ist and May 31st of the 
following year. No person shall remove or transport 
any manure over any public highway in any of the 
more densely populated parts of the District except in 
a tight vehicle, which, if not inclosed, must be effectu¬ 
ally covered with canvas, so as to prevent the manure 
from being dropped. No person shall deposit manure 
removed from the bins or pits within any of the more 
densely populated parts of the District without a per¬ 
mit from the health officer. Any person violating any 
of these provisions shall, upon conviction thereof, be 
punished by a fine of not more than forty dollars for 
each offense. 
In addition to this excellent ordinance, others have 
been issued from the health department of the District 
of Columbia which provide against the contamination 
of exposed food by flies and by dust. The ordinances 
are excellently worded so as to cover all possible cases. 
They provide for the registration of all stores, markets, 
cafes, lunch rooms, or of any other place where food 
or beverage is manufactured or prepared for sale, 
