238 THE ORIGIN OF SPECIES 



making slaves, the larvae of ichneumonidae feeding within the live 

 bodies of caterpillars, not as specially endowed or created instincts, 

 but as small consequences of one general law leading to the ad- 

 vancement of all organic beings — namely, multiply, vary, let the 

 strongest live and weakest die. 



{Continued in Volume II) 



37 7 



