||45 City officers, and remove them from office at pleasure. Sec. 9. The City council shall have power to require of all officers, appointed in pursuance of this ordinance, bonds with penalty and security for the faithful performance of their respective duties, such as may be deemed expedient; and also to require all officers appointed as aforesaid, to take an oath for the faithful performance of the duties of their respective offices. Sec. 10. The City council shall have power and authority to make, ordain, establish, and execute all such ordinances, not repugnant to the Constitution of the United States, or of this State, as they may deem necessary for the peace, benefit, good order, regulation, convenience, and cleanliness of said City,-for the protection of property therein, from destruction by fire or otherwise; and for the health and happiness thereof. They shall have power to fill all vacancies that may happen by death, resignation, or removal, in any of the offices herein made elective; to fix and establish all the fees of the officers of said corporation, not herein established; to impose such fines, not exceeding one hundred dollars for each offence, as they may deem just, for refusing to accept of any office in or under the corporation, or for misconduct therein; to divide the City into wards, and specify the boundaries thereof, and create additional wards; to add to the number of aldermen and counsellors, and apportion them among the several wards, as may be just, and most conducive to the interest of the City. Sec. 11. To establish, support, and regulate common schools; to borrow money on the credit of the City,-provided 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 introduction 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.