||require of all officers appointed -in pursuance of this act, bonds with security for the faithful performance of their respective duties, and also to require of all officers appointed as aforesaid, to take an oath for the faithful performance of § 515. a 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 the laws of this Territory, 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 of the inhabitants thereof; and shall have control of the water and water courses leading to the city: 1'rovidfid, that such control shall not be exercised to the injury of any rights already acquired by actual settlers thereon; and shall have control of the water courses and mill privileges within said city; but in no case shall they interfere with the natural rights of others heretofore acquired in rela- " tion to water. They shall have power, to fill all vacancies, that -may happen by death, resignation, removal or otherwise, of any of the officers herein made elective; to fix and establish the fees of the officers of said corporation. The city council shall have power to divide the city into wards, and specify the boundaries thereof. 5 51t>. s 11. All ordinances passed by the city council oi shall, within ten days after they shall have been passed, be* published in some newspaper printed in said city, or certified copies thereof be posted up in three of the most public places or posted up. s seal of the corporation affixed thereto; and, when 1 or published in book or pamphlet form, purporting to ited or published by the authority of the corporation, ne shall he received in evidence in all courts and places, t further proof.