OCR: NH Im by Wayne Rasband(wayne@helix .nih .gov) National Institutes of Health, USA :MMM http://rsb. .info.nih. goy /nih -image/ FTP zippy .nimh.nih gov 'pub/ /nih -ima lge Mailing list: nih- -ima ge@ soils. umn edu On -line help: Show Balloons in menu NIH Image is in the public domain Nationa Imeg ippy