I am sorry to bother everyone, but I do not have the listserver's e-mail. I need to unsubscribe for an extended period. Thanks for any help. Am?lie H. Scheltema Woods Hole Oceanographic Institution Department of Biology, MS #34 Woods Hole, MA 02543, USA Tel.: +1-508-289-2337 FAX: +1-508-457-2134 ascheltema at whoi.edu