PLATE 39 



w* 



•1^1 - 



Second generation dachshund-Boston terrier hybrids showing wide differences in head 

 type .-iinl the structural disharmony between upper and lower jaws. 

 J 296$. 2 294$. 3 353$. 4 780^. 5 620^. 6 782 3'. 7 781$. 



23fi 



