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READINGS IN BIOLOGICAL SCIENCE 



do in fact exist. It does not imply, scientifically and biologically, a homo- 

 geneity such as demanded by geneticists. When our knowledge of human 

 heredity enables us to classify the peoples of the world genotypically we 

 will gladly accept that classification — we will substitute it for the one 

 we now have. Until then, and with full and complete recognition of all 

 of its many inadecjuacies, we will use the system at hand. 



<fc S '^ ^ ^ ^ 



