On Mon, 4 Dec 1995, Michael Edward Purvis wrote: > >I think Bob Bakker may have done an illustration of this > already: two > >fighting _Diplodoci_, maybe? But of course I can't find it > right now among my > >references... Try E.O. Wilson, SOCIOBIOLOGY, 1976; fighting Diplodoci by Sarah Landry, in "Cold-Blooded Vertebrates" chapter.