32 



SIZE INHERITANCE IN RABBITS. 



The measurements were taken with a pair of calipers provided with 

 a vernier scale reading to tenths of millimeters. Repeated readings of 

 the same measurement gave a constant observational error of 0.1 mm. 



FIGURES 1-8. 

 Explanation of figures (reduced one-fourth from natural size). 



1. Rabbit skull, ventral view. 



2. Dorsal view. 



3. Side view Crosses show ends of 



transverse measurements. 



4. Mandible. 



5. Femur. 



6. Tibia. 



7. Ulna. 



8. Humerus. 



