GENETIC TYPE AXD THE ENDOCKINKS 247 



PLATE 44 



Hybrids derived from backcrossing the F, dachshund-Boston terrier with the pure Boston 

 terrier stock showing the great variation in size, skull type and other physical characters. 



1 525$ (L) and 524^ (E). 4 634^. 



2 (LtoR) 636$, 634 J\ 635 £. 5 Litter 828-S31. 



3 525 $. 



