||187 schools; to borrow money on the credit of the city: /yo.Furth3rpower* vided, That no sum or sums of money be borrowed on a greater interest than six per cent, per annum; nor shall the interest on the aggregate of all the sums borrowed, and outstanding, ever exceed one half of the city revenue, arising from taxes assessed on real estate, within this corporation. Sec. 12. To make regulations to prevent the introduc-tion of contagious diseases into the city; to make quarantine.laws for that purpose, and enforce the same. Sec. 13. To appropriate and provide for the payment of the expenses and debts .of the city. Debt, of city Sec. 14. To establish hospitals, and make regulations for the government of the same; .to make regulations toHospltals' secure the general 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,Water the eiij for the extinguishment of fires, and convenience of the inhabitants. Sec. 16. To open, alter, widen, extend, establish, grade,Repair tii« pave, or otherwise improve and keep in repair, streets,stieets 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,Lightingth» and erecting lamp posts, and establish., support and regu-Ni|£twatcii#*. late night watches; to erect market houses; establish markets and market places, and to 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, andpub}icgf0Un,K regulating all public grounds belonging to the city. Sec. 19. To license, tax, and regulate auctioneers,Taxiagpower merchants, and retailers, grocers and taverns, ordinaries, hawkers, pedlers, brokers, pawn-brokers, and money changers.