136 



ANTHROPOID APES. 



On the femur of several mammals, especially in 

 the horse, ass, rhinoceros, and tapii-, and more slightly 

 indicated in the carnivora 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 band, back view, a, Scaplioid bone. 6, Semi-lnnar 

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

 o, Ob magnum, h. Unciform bone. M , Metacarpal bones, m-m* and nn. 

 Phalanges. 



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 Anthropologie, p. 463 : 1880. 



