The toll taken of the German armies increases, as Bapaume and the Scarpe swiftly follow Amiens.
THE VITAL LINE .-- Now the PRISONERS line has become vital.

Consider the position in December before what is, perhaps, the decisive battle of the world war, the breaking of the Hindenburg line.

GUNS are ever increasing, LINE has fallen somewhat, but lower even than in the dark days of spring has fallen the line of FIGHTING STRENGTH.

To the General, studying this line alone, attack upon a position vaunted as impregnable would seem sheer madness.

But he sees the Chart as a whole, with the PRISONERS line dominating everything in its sustained height.