36 GENETIC STUDIES OP RABBITS AND RATS. 



Tablb 18. — CorrekUion of teeigM tvith humenu. 



Mean weight, 2, 146.6 ±16.8. S. D. weight, 446.9. 



Mean humerus, 64.26±0.14. S. D. humerus, 3.76±0.10. r, 0.820±0.012. 



Mean weight, 2,143.0±16.9. S. D. weight, 448.0±11.9. 



Mean femur, 80.80±0.19. S. D. femur, 6.03±0.13. r. 0.841 ±0.011. 



