Petitions containing additional nominations for Senior class Secretary, and members of the Class Committee, Class Day Committee, and Photograph Committee must be placed in the box marked "Senior Petitions" in the CRIMSON office this evening before 7 o'clock. These petitions must be made to the Nominating Committee, and must be signed by 25 eligible voters. The final list of nominations will be published in tomorrow's CRIMSON and the election of these officers will be held by the Australian ballot system in the Lodge of the Class of '77 Gate next Monday