PLATE XXIX. 



ODONTOENITHES. 



Sternum and Scapular Arch of Apatornis and Ichthyornis. 



All Figures twice Natural Size. Page. 



Fig. 1. — Left scapula of Apato mis celer Marsh ; exterior view, 142 



la — Proximal end. 



Fig. 2. — Left scapula of Apatomis celer; anterior, or superior, view, 142 



Fig. 3. — Left scapula of Apatomis celer; inner view, 142 



Fig. 4. — Left scapula of Apatomis celer; posterior, or inferior, view, ^42 



Fig. 5. — Right coracoid of Apatomis celer; anterior view, 145 



5a — Sternal end. 



Fig. 6. — Right coracoid of Apatomis celer; posterior view, _ 145 



Fig. 7. — Upper portion of clavicle of Apatomis celer; exterior view, 147 



la — Posterior view. 

 lb — Inner view. 

 1c — Anterior view. 



Fig. 8. — Sternum of Apatomis celer; inferior view, 148 



Fig. 9. — Left scapula of Ichthyornis victor Marsh; exterior view, 141 



9a — Proximal end. 



Fig. 10. — Left scapula of Ichthyornis motor ; anterior, or exterior, view, 141. 



Fig. 11. — Left scapula of Ichthyornis victor; inner view, 141 



Fig. 12. — Left scapula of Ichthyornis victor; posterior, or inferior, view, 141 



Fig. 1 3. — Left coracoid of Ichthyornis victor ; posterior view, 144 



Fig. 14. — Left coracoid of Ichthyornis victor; exterior view, 144 



Fig. 15. — Left coracoid of Ichthyornis victor; anterior view, 144 



15a — Scapular end. 



Fig. 16. — Left coracoid of Ichthyornis victor; inner view, 144 



