The Center for Migration and Development is pleased to announce its Spring 2004 Colloquium Series.  Lectures will be held in 165 Wallace Hall, Princeton University, unless otherwise noted.  Please mark your calendar for the following presentations: Monday, February 9, 12:15pm Miguel Angel Centeno and Alejandro Portes, Princeton University "The Informal Economy in the Shadow of the State" (co-sponsored by the Economic Sociology Workshop) Thursday, February 12, 4:30pm, 290 Wallace Hall Roberto Laserna, Center for the Study of Economic and Social Reality "Structural Heterogeneity and Social Inequality:  Evidence from Bolivia" Thursday March 4, 4:30pm, Robertson Hall, Bowl 1 Juan Pablo Perez Sainz, FLACSO Costa Rica, and Alexander Segovia, Ministry of Foreign Relations, El Salvador "Central America and the Global System:  Implications for Development and Migration" Monday, March 8, 12:15pm Marjorie Orellana, University of California, Los Angeles "Children's Work as Family Translators in Immigrant Households" (co-sponsored by the Bendheim Thoman Center for Research on Child Wellbeing and the Economic Sociology Workshop) Thursday, April 8, 4:30pm Ruben Kaztman, Catholic University, Uruguay "Family and Society in Latin America:  The Emerging Landscape" Thursday, April 29, 4:30pm Peggy Levitt, Wellesley College "Bridging Continents:  Transnational Communities in the New Millennium" Friday, April 30, 4:30pm, Friend Center Nancy Scheper-Hughes, University of California, Berkeley "Parts Unknown:  The Global Traffic in Humans for Organs" The 2004 Melvin Tumin Lecture in Sociology - Co-sponsored by the Bendheim Thoman Center for Research on Child Wellbeing and the Department of Sociology