There is an article about that (in part) here: http://www.coastandocean.org/coast_v25_no1_2009/articles/flotsam_01.htm "Journey through the Floating World: A scientist studies flotsam" Erica ---------------------------------------------------------------------- [log in to unmask] - a forum for informal discussions on molluscs To leave this list, click on the following web link: http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1 Type your email address and name in the appropriate box and click leave the list. ----------------------------------------------------------------------