12% ARE THE EFFECTS OF USE INHERITED? 



about advantageous modifications ; and if it can 

 be shown that use-inheritance would often be 

 an evil, it then becomes probable that on the 

 whole natural selection would more strongly dis- 

 courage and eliminate it as a hostile factor than 

 it might occasionally favour such a tendency as a 

 totally unnecessary aid. 



USE-INHERITANCE AN EVIL. 



Use-inheritance would crudely and indiscrimi- 

 nately proportion parts to actual work done or 

 rather to the varying nourishment and growth 

 resulting from a multiplicity of causes and this 

 in its various details would often conflict most 

 seriously with the real necessities of the case, 

 such as occasional passive strength, or appropriate 

 shape, lightness and general adaptation. If its 

 accumulated effects were not corrected by natural 

 or sexual select-ion, \ horns and antlers would 



