SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE 



VOL. 35, NO. 3. PL. 16 



Fig. 250 



Right femur of Castor canadensis 



(beaver) 



Fio. 253 

 Left femur of Equus caballus Oiorse) 



Right 



Fio. 254 

 femur of Ovis (sheep) 



Fig. 2.55 



Right femur of Bison ameri- 



canus (bison) 



Fig. 256 



Right femur of a mule. 



No. 227, C. M. C. 



Fig. 257 

 Left femur of a mule. No. 

 C. M. C. 



Fig. 258 



Left femur of a mule. No. 235, 



C. M. C. 



Fig. 259 



Left femur of a mule. No. 236, 



C. M. C. 



MAMMALS 



