Thanks again Jim. I stuck xaxs="i" in the existing par() command and it worked as I wanted it. I haven't looked at the documentation yet, but that's next. Hurr -- View this message in context: http://r.789695.n4.nabble.com/Second-axis-on-bottom-of-graph-tp4690696p4691204.html Sent from the R help mailing list archive at Nabble.com.