63, 64; Orlich, ii.

69.] Speaking of defensive Campaigns, says Friedrich didactically, years afterwards, 'If such situations are to answer the purpose intended, the front and flanks must be equally strong, but the rear entirely open.

Such, for instance, are those heights which have an extensive front, and whose flanks are covered by morasses:--as was Prince Karl's Camp at Marschowitz in the year 1744, with its front covered by a stream, and the wings by deep hollows; or that which we ourselves then occupied at Konopischt,--as you well remember.

[_Military Instructions_ (above cited), p.

44.] "OCTOBER 26th-NOVEMBER 1st.