GENERAL EDITORS
Richard C. Boys, University of Michigan
Edward Niles Hooker, University of California, Los Angeles
H. T. Swedenberg, Jr., University of California, Los Angeles
ASSISTANT EDITOR
W. Earl Britton, University of Michigan
ADVISORY EDITORS
Emmett L. Avery, State College of Washington
Benjamin Boyce, University of Nebraska
Louis I. Bredvold, University of Michigan