CITY OF AURORA:............... APRIL 10.1851.• Q3* Hod. Jakes Whitcomb has sent ua two large volumes President's Messages anJ accompanying Documents, 1849—50; 1850—51. Thanks.O^TJohb Farquhar, Esq., Whig aspirant lor Congress in this District, was in town on Tuesday, on a tour of examination and discovery.City ElectlOB*—Result.On Monday the voters of this city elected the following jfetsona as city officers:CoURClLMER,1st Ward— William Webber.2d “ Asa Shaituck.3d H James Cummings.4th “ F. Wymond.5 th “ Strawder JCheek.Mayor—Solom on P. Tumy.Marshal—Thomas Wright.Clerk— William Conway.Assessor—Isaac H. Carhaugh.Treasurer—Hoary A. Moran.County Convention.The Democrats of this County meet in Convention at Lawrenceburgh, on next Saturday, to form a tick* et to be presented to the Democratic party, at the coming August election, for its sanction. Two con*a