CONTENTS 



Page 



I THALES TO LINNAEUS 7 



II LINNAEUS TO LAMARCK 24 



III DARWIN'S "NATURAL SELECTION" 38 



IV WEISMANN'S THEORY OP HEREDITY. GO 



V DE VRIES' "MUTATION" 81 



VI KROPOTKIN'S "MUTUAL AID" 97 



VII A REPLY TO HAECKE^L 115 



VIII SPENCER'S "SOCIAL ORGANISM" 133 



IX SPENCER'S INDIVIDUALISM ..^ 149 



X CIVILIZATION — WARD AND DIETZGEN ... 168 



LOAN STACK 



^TTJ^ 



:ii 



K6 



