634 W. T. JAMES 



German shepherd hybrids. Some inherit the bassethoimd 

 form and glands, others the shepherd form and glands, and 

 still others are mixed, having characteristics of both types. 

 The questions asked regarding physical form and glands may 

 also be asked regarding behavior. As the physical form 

 varies, will the behavior type also vary? What is the possible 

 explanation of the physical form-behavior relationship which 

 exists in the bassethound and German shepherd! What will 

 happen to the behavior characteristics when the two types 

 are cross bred? In order to answer these questions, the 

 behaviors of the pure breed and hybrid dogs have been 

 compared in these experiments. 



Since no one specific measurement would give a basis for 

 contrasting the animals physically, a simple index based on 

 two measurements of the thoracic region of the body was 

 devised. This index has proved a convenient method for 

 contrasting the dogs. 



Bassethound-German shepherd F^. When the bassethound, 

 a round type, is crossed with the thin German shepherd, 

 the offspring have two dominant bassethound characters, the 

 short legs and long ears. The texture and color of the coat 

 are more like the shepherd than the bassethound. There is 

 some variation in bodily form among the F x s, but none is 

 as thin as the shepherd nor as round as the bassethound. 



When the F x s are considered in the behavior situation, 

 all fall within the same group, and none is so extremely 

 sluggish as the bassethound nor so active as the shepherd. 

 They are better balanced dogs and make a more satisfactory 

 adjustment in any situation than either the bassethound or 

 shepherd parent. This suggests that there is a blending 

 of the behavior factors, as seems also to be the case in the 

 head and body factors. Although these dogs show minor 

 dissimilarities, there is no wide divergence among them. 



Bassethound-German shepherd F 2 s. When the short legged 

 FjS are crossed inter se, their offspring show a distribution 

 of a number of the contrasted grandparental types. Both 

 the short leffs of the bassethound and the lone; straight thin 



