GENETIC STUDIES OF RABBITS AND RATS. 



TABLE 24. Correlation of femur with humerus, all group* included. 



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Mean femur, 80.69 0.18. S. D. femur, 5.08dh0.13. 



Mean humerus, 64. 17 0.13. S. D. humorus, 3.78 0.09. r, 0.906 0.006. 



TABLE 25. Correlation of femur with humerus, pure races only. 



Mean femur, 76.95. S. D. femur, 8.06. 



Mean humenis, 60.95. S. D. humerus, 5.60. r, 0.980 0.004. 



