296 



Annals of the Carnegie Museum. 



than in Oxydactylus, and the fossa below the popliteal notch is con- 

 sequently very much shallower and more nearly like that found in the 

 llama and the camel. The external face has a deeper fossa, which is 



Fig. 9. Anterior and tibial views of femur 

 of Stenomylus gracilis. Type No. 16 10. 



'I/, 



Fig. 10. Fibular view of 

 tibia of Stenomylus gracilis. 

 Type No. 1610. |nat. size. 



bounded above by the overhanging border of the head, posteriorly by 

 the external border, and anteriorly by the cnemial crest ; distally the 



