36 



GENETIC STUDIES OF RABBITS AND RATS. 



TABLE 18. Correlation of weight with humerus. 



Mean weight, 2, 146.5 16.8. S. D. weight, 445.9. 



Mean humerus, 64.26 0.14. S. D. humerus, 3.750. 10. r, 0.8200.012. 



TABLE 19. Correlation of weight with femur. 



Mean weight, 2,143.016.9. S. D. weight, 448.011.9. 



Mean femur, 80.80 0.19. S. D. femur, 5.03 0.13. r, 0.841 0.011. 



