OF A CERTAIN PENNSYLVANIA FAMILY. 99 



It is evident that such purification of the incoming strains of their 

 most undesirable elements as effected by present methods goes 

 far as a eugenic measure, but it seems clear, too, that to have the 

 sifting-out process attempted at the ports of entry thoroughly effec- 

 tive, it will need to be supplemented by studies both here and abroad. 

 Studies abroad in order to prevent the transplanting of notoriously 

 defective strains, and studies here which shall secure the location and 

 registration of those that threaten to become increasingly unfit. Such 

 registration could then be followed by appropriate action on the part 

 of the State to prevent their further propagation. 



