David Bushnell is a Professor of History at the University of Florida and also Managing Editor of this journal, although the article published in this issue was written and accepted before he assumed the position. He received his Ph.D. at Harvard in 1951 and is a specialist in nineteenth-century Spanish South America. His current research is devoted to comparative political and institutional history.

Benjamin Keen, Professor Emeritus, Northern Illinois University, received the Ph.D. in History from Yale University (1941). A specialist in the colonial period of Latin American history, his publications include Life and Labor in Ancient Mexico: The Brief and Summary Relation of the Lords of New Spain by Alonso de Zorita (1963) and The Aztec Image in Western Thought (1971). His current projects are a work on André Thevet and the sixteenth-century expansion of Europe and a companion volume to his book on the Aztec image, the Inca image in Western thought.

John J. Johnson is Emeritus Professor of History, Stanford University, past Chairman of the Conference on Latin American History, and past President of the Latin American Studies Association. He is currently a fellow at the National Humanities Center, Research Triangle Park, N.C., where he is preparing a manuscript on United States—Latin American relations, with emphasis on the period 1815-30.

A. J. R. Russell-Wood is Professor and Chairman of the Department of History at The Johns Hopkins University. He read modern languages at Oxford, and received (1967) his D. Phil. in modern history under Hugh Trevor-Roper. His research interests lie in the history of colonial Brazil, comparative colonialism in the Americas, institutions of slavery, and the Portuguese seaborne empire. His publications include: Fidalgos and Philanthropists. The Santa Casa da Misericórdia of Bahia, 1550-1755 (Berkeley, 1968; Portuguese language translation, Brasilia, 1981), winner of the Herbert E. Bolton Prize; From Colony to Nation. Essays on the Independence of Brazil (Baltimore, 1975); and The Black Man in Slavery and Freedom in Colonial Brazil (New York, 1982), winner of the Arthur P. Whitaker Prize. He chaired the Maryland Humanities Council from 1980 to 1982, and he is a Fellow of the Royal Geographical Society and a corresponding member of the Instituto Geográfico e Histórico of Bahia.

Gonzalo Sánchez is Professor of History at the Universidad Nacional de Colombia, Bogota. He received his M.A. in Latin American Government and Politics at the University of Essex, England. Director of the Departamento de Historia of the Universidad Nacional de Colombia (1982-84) and Visiting Fellow in the Center for International Studies of Duke University (1985). He is the author of Ensayos de historia social y política del siglo xx (1985), Los días de la revolución: Gaitanismo y el 9 de abril en provincia (1983), and co-author (with Donny Meertens) of Bandoleros, gamonales y campesinos: El caso de la Violencia en Colombia (1983). His current research interests are contemporary agrarian conflicts in Colombia and banditry in Latin America.

Eric Van Young received his Ph.D. in History from the University of California at Berkeley. He is at present Associate Professor of History at the University of California, San Diego. A specialist on the economic and social history of colonial Mexico, he has published Hacienda and Market in Eighteenth-Century Mexico: The Rural Economy of the Guadalajara Region, 1675-1820 (1981). As an NEH Fellow during 1986, he will continue work on his current project, a social history of the independence period in Mexico, 1810-17.