[R] Male and female symbols?

[George W. Gilchrist]

Does anyone have an idea of how one might plot male and female  
symbols on a graph using R? Thanks!

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George W. Gilchrist                        Email #1: gwgilc at wm.edu
Department of Biology, Box 8795          Email #2: kitesci at cox.net
College of William & Mary                    Phone: (757) 221-7751
Williamsburg, VA 23187-8795                    Fax: (757) 221-6483
http://gwgilc.people.wm.edu/