A DECADE OF PROGRESS IN EUGENICS 



PLATE 15 



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Migration of Negroes, 1910-1920. 

 each line shows origin and destination of croup, 

 heavy lines represent thousanos. each light line 

 represents 500. 



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Migration of Negroes, 1910-1920 

 Exhibited by Professor Samuel J. Holmes, Berkeley, California 



