373.21  IMPOUNDING OF BICYCLES WITHOUT TAGS OR SERIAL NUMBERS.
   If any bicycle is found within the limits of the City, without a license identification tag, as above set forth, or with a mutilated or altered serial or no serial number stamped on the frame of the bicycle it shall be prima-facie evidence that the bicycle is being operated without proper registration and shall be impounded, as hereinafter set forth.
(R.O. 1946, C. 6, Sec. 11.)