Wickets continued to fall - Clarke taking 3-26 - and the Windies were barely helped when a rain shower reduced their over allowance to 41, with only nine runs ticked off.
Peter Clarke, an historian, makes the case for Keynes's continued relevance by combining an absorbing narrative of his life with perceptive comments on how that life shaped his views.
Watson, dropped by Jonathan Trott at mid-on off Chris Tremlett at 48, continued to play the aggressor when out-of-form captain Michael Clarke came to the crease.
Hughes's wretched performances in Ashes cricket continued when he nicked a good delivery from Bresnan to Prior, whereupon Michael Clarke came out to join Usman Khawaja in the middle.