CONTENTS XIX 



PAGE 



Mixed nature of the English bulldog is emphasized in the second 



generation bulldog-bassethound hybrids 621 



English bulldog-bassethound F 2 s 621 



Behavior of English bulldog-bassethound F.,s 621 



Summary 623 



Bassethound-German shepherd F, by English bulldog-bassethound F, 624 



The significance of size and its relation to behavioral type 625 



Dachshund 625 



Boston terrier 626 



Dachshund-Boston terrier hybrids 628 



Member of a pure type B with physical abnormalities 629 



Contrast of the behavior of the pure and hybrid dogs under kennel 



conditions 630 



Summary and discussion of behavior and its relation to physical type 632 



Bassethound-German shepherd F,s 634 



Bassethound-German shepherd F 2 s 634 



SECTION VII 

 0. 1). Anderson 



The Role of the Glands of Internal Secretion in the 

 Production of Behavioral Types in the Dog 



The problem 647 



The method 649 



Behavior during the training or control period 658 



The influence of the thyroid and the parathyroids upon the reflex behavior 063 



The effect of thyroid extract administration in the normal dog 6(>4 



Dog 814 J, bassethound X Saluki F, 664 



Dog 868 J 1 , bassethound X shepherd F 2 666 



Dog 881 <j>, bassethound X Saluki F 2 672 



Summary of the thyroid effects 675 



The effect of thyroidectomy 677 



Dog 866 J, bassethound X shepherd F. 677 



Dog 869 <j>, bassethound X shepherd F, 680 



Dog 864 <$, bassethound X shepherd Fa 683 



Dog 1030 <$, bassethound X Saluki F 2 687 



