LENIN ON ORGANIZATION “on principle” to the prevailing movement among the workers; they adopt a protective coloring, as the hare turns white in winter. We must recognize this peculiarity of the Mensheviks and know how to reckon with it. And in order to reckon with it we must cleanse the Party of about ninety-nine- hundredths of the Mensheviks who have joined the Party since 1918, i. e. when the victory of the Bol- sheviks began to appear at first probable, and then certain, We must cleanse the Party of criminal elements, of those who have become bureaucratized, of dis- honest persons, of unreliable Communists and of Mensheviks who have re-painted their “facade,” but in their hearts have remained Mensheviks, 92924