PLATE XIII. 



ODONTOBMTHES. 



Femur of Hesperornis eegalis Marsh. 



Natural Size. Pa g e 



Fig. 1. — Left femur; anterior, or superior, view, 



la — Distal articulation. 



Fig. 2. — Left femur; tibial side, 



Fig. 3. — Left femur ; posterior, or inferior, view, 



3a — Proximal end of femur. 

 Fig. 4. — Left femur ; fibular side, 



