316 



CHARLES R. STOCKARD AND A. L. JOHNSON 



true in all cases where the two parent skulls are widely 

 separated. 



The average indices for the F 2 hybrid skulls shown by 

 the dotted curve follow the F! curve very closely. This il- 

 lustrates again the importance of individual records rather 



ENGLISH BULLDOG 



H 



^^ ta 



m* 



Text-figure 69. Basscthound-English bulldog cross. Comparison of average 

 skull measurements and indices for the pure breeds and their first and second 

 generation hybrids. 



