PLATE VII. 



ODONTORKETHES. 

 Sternum, Coracoid and Clavicle of Hesperornis crassipes Marsh. 



All Figures Natural Size. Page 



Fig. 1. — Sternum ; lateral view, seen from the left, 60 



Fig. 2. — Sternum ; anterior view, 60 



Fig. 3. — Sternum ; inferior view, showing entire ahsence of keel, 60 



Fig. 4. — Right coracoid; inner surface, 59 



Fig. 5. — Right clavicle ; seen from above, ... 61 



