GEXETIC TYPE AND THE ENDOCRINES 



285 



PLATE 53 



Structure of the basal portions of the skull in puppies of different cross breeds, 

 immature human skull is shown for comparison. 



1 F., Bassethound-English bulldog 1358 ^ (newborn). 



2 F, St. Bernard-great Dane 1412^ (newborn). 

 3. Four year old child. 



4 F, Bassethound-Saluki 1913 5 (39 days). 



5 F 2 Bassethound-English bulldog 1970 <^ (56 days). 



6 Backcross English bulldog-bassethound-English bulldog 1365$ (24 months). 



An 



