||12 health of the inhabitants; to declare what shall be nuisances, and to prevent and remove the same. Sec. 15. To provide the City with water; to dig wells, lay pump logs, and pipes and erect pumps in the streets, for the extinguishment of fires, and convenience of the inhabitants. Sec. 16. To open, alter, widen, extend, establish, grade, pave, or otherwise improve, and keep in repair, streets, avenues, lanes and alleys; and to establish, erect and keep in repair aqueducts and bridges. Sec. 17. To provide for the lighting of the streets, and erecting lamp-posts; and establish, support and regulate night watches; to erect market houses, establish markets and market places, and provide for the government and regulations thereof. Sec. 18. To provide for erecting all needful buildings for the use of the City; and for enclosing, improving, and regulating all public grounds, belonging to the City. Sec. 19. To license, tax and regulate auctioneers, merchants, and retailers, grocers and taverns, ordinaries, hawkers, peddlers, brokers, pawn-brokers, and money-changers. . Sec. 20. To license, tax and regulate hacking, carriages, wagons, carts and drays; and fix the rates to be charged for the carriage of persons, and for wagonage, cartage and drayage of property; as also to license and regulate porters, and fix. the rates of porterage. Sec. 21. To license, tax and regulate theatricals, and other exhibitions, shows and amusements. Sec. 22. To tax, restrain, prohibit, and suppress tippling houses, dram-shops, gaming houses, bawdy, and other disorderly houses. Sec. 23. To provide for the prevention and extinguishment of fires; to regulate the fixing of chimneys, and the flues thereof, and stove pipes, and to organize and establish fire companies. Sec. 24. To regulate the storage of gunpowder, tar, pitch, rosin, and other combustible materials.