Bui. 1090, U. S. Dept. of Agriculture. 



Plate III. 



Fig. I.— 



Male of Family 32, Belonging to the Seventeenth Generation 

 of Inbreeding. 



Fig. 2. — Female of Family 32, Full Sister of the Male Shown above. 



This family is below the average in most respects. It contrasts with Family 13 in its light 

 average weight and small litters, but resembles that family in the large amount of white in 

 the coat and in its only very slightly greater resistance to tuberculosis. 



