SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 72, NO. 10, PL. 4 



Fig. 31. Cross section of the femur of an adult white male, showing the 



structure. 

 32. Tangential section of the same, showing the circulation. 

 33- Tangential section of the femur of an adult white male, showing the 



circulation. 



34. Tangential section of the femur of an adult white male, showing the 



circulation. 



35. Tangential section of the femur of an adult white male, age So, who 



died of pulmonary tuberculosis, showing the circulation. 



36. Cross section of a human frontal bone, showing the- structure. 



37. Longitudinal section of the same, showing the structure. 



38. Tangential section of the outer table of the same bone, showing the 



circulation. 



