GENETIC TYPE AND THE ENDOCRINES 



285 



PLATE 53 



fferenl cross breeds. An 



Structure of the basal portions of the skull in puppies 

 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$ (39 days). 



5 P 2 Bassethound-English bulldog 1970 c? (56 days). 



6 Backcross English bulldog-bassethound-English bulldog 1365 5 (-1 months). 



