With this issue, Charles B. Metz will retire from the editorship of The Biological Bulletin after a successful 10-year tenure. Marine Biological Laboratory President and Director Harlyn O. Halvorson is pleased to announce that Michael J. Greenberg has agreed to serve a five-year term as Editor-in-Chief of the journal. Dr. Greenberg is currently the director of the University of Florida's Whitney Laboratory in St. Augustine, Florida. Please note that all manuscript correspondence should still be sent to the Managing Editor at the Marine Biological Laboratory, Woods Hole, Massachusetts 02543.