Some Experiments of I^uther Burbank 



4. Crossing with other races or other species, 

 to increase the range of variation or to add or 

 combine certain desirable quahties or to ehminate 

 others which are not desirable. This must be 

 accompanied by segregation or isolation, and it 

 must be followed by conscious selection which 

 must be directed towards definite end. On this 

 last series of processes all animal breeding and all 

 plant breeding as a fine art must depend. 



In the beginning men were satisfied with 

 strawberries as strawberries. If they transplanted 

 them, they took what they found. Later the 

 best strains were kept together, and at last through 

 purposeful crossing, the fine art of making new 

 kinds of strawberries was developed. The same 

 method applies to any plant or animal. It might 

 apply to man if selection and segregation were 

 part of our scheme of society. Unfortunately for 

 this plan, the best cannot be selected or segre- 

 gated, fortunately, perhaps, as the control of one's 

 own afFairs develops man's best quality, personal 

 initiative. In that regard, freedom may be a 



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