There is also a shareware program called MACSEE (30 days free use for version 2.2 that I used). Locate with Archie! -- Kay Diederichs email: Kay.Diederichs at uni-konstanz.de Tel: +49 7531 88 4049 Fax: 3183 Fakultaet fuer Biologie, Universitaet Konstanz Postfach 5560 (M656), D-78434 Konstanz, Germany