March of Dimes volunteer, Mrs. Arthur S. Hotch of Boston and Littleton Common, shown with Mary Lou Graves, 5, Flint, Michigan, 1964 National March of Dimes Girl, victim of birth defect known as open spine. They recently attended a planning meeting at New York City for the campaign to be held January 2 through 31 to fight birth defects and arthritis. Mrs. Hotch serves as State Advisor on Women's activities for the National Foundation-March of Dimes which is the largest single national source of private support for research and patient care in these two disease areas.