286 THE HOUSE FLY—DISEASE CARRIER 
any such substance to remain or stand in or along any 
railroad, street, or highway within the limits of said 
cities or their suburbs within 300 feet of any inhabited 
dwelling, and who shall fail, after notice duly served 
by this board, to remove the same, shall, upon convic¬ 
tion thereof, be fined not less than five nor more than 
twenty-five dollars for every such offense. 
* * * * * * * 
Sec. 18 A. No person owning, occupying or hav¬ 
ing use of any stable, shed, pen, stall, or other place 
within any of the more densely populated parts of the 
District of Columbia, where animals of any kind are 
kept shall permit such stable, shed, pen, stall, or place 
to become or to remain filthy or unwholesome. 
Sec. 18 B. No person shall use any stable, nor 
shall any person having the power and authority to 
prevent permit any person to use any stable, within 
any of the more densely populated parts of the District 
of Columbia, after the first day of July, 1907, unless the 
surface of the ground beneath every stall and for a 
distance of four feet from the rear thereof be covered 
with a water-tight floor laid with such grades as will 
cause all fluids that fall upon it to flow as promptly as 
possible, if a public sewer be available, into the public 
sewer, and, if a public sewer be not available, to that 
portion of the premises where they will cause the least 
possible nuisance. 
Sec. 18 C. Every person owning or occupying any 
building or part of a building within any of the more 
densely populated parts of the District of Columbia, 
