... Maynard Smith and Sz´athmary(1995), Maynard Smith and Sz´athmary (1999), Kondrashov (1 988 ), May-nard Smith (1 988 ), Ridley (2000), Dyson (1 985 ), Cairns-Smith (1 985 ), and Hopfield (19 78) .19.6 Further ... as ‘x’, and LATEXcommands.1e-050.00010.0010.010.11 10 100 1000 10000tothe and ofIisHarriet information probabilityFigure 18. 4. Fit of theZipf–Mandelbrot distribution( 18. 10) (curve) ... through the species and allows deleterious muta-tions to be more rapidly cleared from the population (Maynard Smith, 19 78; Felsenstein, 1 985 ; Maynard Smith, 1 988 ; Maynard Smith and Sz´athmary,1995)....