226 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



vol.. XXX. 



chanter is absent and the shaft much 

 it is much stronger and situate about 

 EnproUxjoirht, in which it is higher 

 has a moderate lateral expansion 

 Hycvnodon and the Condylarthra, the 

 gate, l)ut not extending so fur up on 



straighter. In the Cond3^1arthra 

 the middle of the shaft, except in 

 up. The distal end of the bone 

 and great vertical depth, as in 

 rotular trochlea narrow and elon- 

 the anterior surface of the shaft 



j-^.. 



-3"y;, 



Fig. is.— .Sinopa orangeri, femur, anterior and posterior view.s. nat. size. (j. /., (ireater 

 trochanter: I. t.. i.e.sser trochanter; S'-dt., third trochanter: ;«. /. I., rotular trochlea or 



IJROOVE FOR THE PATELLA. 



as in IIyit)K><lo/i. In J*((tri(>ffU.'< the femur ha.s a much more massive 

 shaft, the di.stal end is not so deep, the third trochanter is somewhat 

 similar in development, and the curvature of the shaft about the same. 

 O.nj-.fnn has a weaker third trochanter, thicker shaft, and distal end 

 more like the normal Carnivora type. 



