[R] Suppresing default text in pairs.lmList() in package = nlme

[Michael Kubovy]

I would like to suppress the text 'Scatter Plot Matrix' that appears  
under the plot. Could someone please suggest how?
_____________________________
Professor Michael Kubovy
University of Virginia
Department of Psychology
USPS:     P.O.Box 400400    Charlottesville, VA 22904-4400
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