136 



ANTHROPOID APES. 



On the femur of several mammals, especially in 

 the horse, ass, rhinoceros, and tapir, and more slightly 

 indicated in the caruivora and other families, there 

 is, in addition to the two great and small trochanters, 

 a third, termed by Waldeyer trochanter tertius* 



Fig. 42. — Skeleton of human hanri, hark view, n. Scaphoid bone. 6, Semi-lunar 

 bone, c, Cuneiform bone. (/, Pisiform bone, e. Trapezium. /, Trapezoid bone. 

 q, Os magnum, h. Unciform bone. I-i , Metacarpal bones, m-m* and nn, 

 I'balanges. 



Such a formation, low, blunt, and generally placed 

 at the top of the outer ridge of the superior bifurca- 

 tion of the linea aspera, may be observed in human 

 skeletons of all races, but is either absent in anthro- 

 poids or only faintly indicated. Virchow justly 



* Archiv. fur Anthropologic, p. 463 : 1880. 



