318 



CHARLES It. STOCKARD AND A. L. JOHNSON 



in an isolated study of skulls as such, we have found that 

 careful investigations of all parts and functions in the living 

 animal, along with a histological study of the endocrine glands 

 in connection with these skull measurements and head types, 



/fo- 

 lic ■ 

 no- 



150-t- 



/Wrr 



120 — 



no— 

 100— 



» 



l\ 



\:1 



BASSETHOUND 



ENGLISH BULLDOG 

 F 



h 



Text-figure 70. Bassethound-English bulldog cross. Comparison of the range 

 in skull measurements and indices for the pure breeds and their second generation 

 hybrids. 



