The annual meeting of said corporation for the election of officers and transaction of any other business specified in the warning of said meeting shall be held within the corporate limits on the fourth Tuesday of May of each year and shall be called by the Clerk, or in case of the Clerk's neglect, by the trustees by publishing and posting a warning therefor in at least four public places within the corporate limits not less than 10 days or more than 20 days before the time set for such annual meeting.