THE PROBLEM OF INBREEDING 



r,99 



1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 in ii II i 



^r^ij:':^2N III IIIIIIIIIMIIIIII.il 









\ s i i i i i i i i i i i i i 



| B ^ - M 1 II 1 1 1 1 1 1 1 





Mil 





1 i 1 1 



•• x . x 





I 





in iw>*n 





IPX >!N j 





