44 THE FAMILY AND THE NATION 



more difficult to collect. The theoretical descent of a 

 recessive character should be in accordance with the 

 scheme, 



DD 



m 



m 



m 



r 



® 



DD) 



DD) 



DO) 



OR 



(RD) 



In the other notation, in which the peculiarity when 

 it exists openly is represented by a dark circle, this 

 becomes 



O^ 



0=1=0 



0^0 



— ^ 



o 



o 



o o 



The descent is made clearer if we write the symbol © 

 for a person who possesses the character not visibly but 

 in some of his germ cells. We then get 



