[35] 16. Every person who rolls any barrow or hand-cart, or carries any cask, case. ladder, plank, pole, timber, log of wood, or other bulky matter or thing upon any sidewalk except for the purpose of loading or unloading or of crossing said sidewalk, shall subject themselves to the penalties of this By— law b 17. Every person who wilfully and wantonly Ringing door disturbs any inhabitant by pulling or ringing any bells door-bell, or by knocking at any door, house, porch, fence or outbuilding. shall subject them- selves to the penalties of this By-law. 18. No person shall put or place any quantity of snow or ice on any of the streets, squares, lanes, wharves or thoroughfares to the river, so as to form an obstruction or nuisance to travellers or other persons. ‘ Snow or ice 19. Any person defacing, altering or de- Public Tm. stroying any public notice issuing from the we“ Dominion or Provincial Governments, or from the Mayor or Corporation, or any private notices placed by the authority of the city on public property before the time mentioned in such notice for the happening of any event stated _therein, shall be subject to the penalties of this By-law. 20. Any person or persons who shall write, Obscene cut, or make any inscripyon of an obscene or Immpt‘o'” other nature, or in any other way deface or injure any public building or fence or any private building or fence, shall, on conviction thereof, be subject to the penalties of this By—law. 21. No person shall allow- any gates to open