PLATE XXIV. 



ODONTOKNITHES. 

 Wing bones of Ichthyornis dispae Marsh. 



All Figures twice Natural Size. Page, 



Fig. 1. — Left humerus ; inner, or posterior, view, 149 



Fig. 2. — Left humerus ; radial side,. - . ... ._ 149 



Fig. 3. — Left humerus ; outer, or anterior, view, -^o 



re — Radial crest. 

 3« — Proximal end. 

 35 — Distal end. 



Fig. 4. — Lefthumerus; ulnar side, r-,-- -- 149 



Fig. 5. — Left ulna; outer, or posterior, view, 152 



Fig. G. — Left ulna ; superior view, ^52 



Qa — Proximal end. 



Fig. 7. — Left ulna ; inner, or rad ial, surface, 152 



Fig. 8. — Left ulna ; inferior view 150 



8a — Distal end. 



Fig. 9. — Right radius ; distal third, superior view, 151 



Fig. 10. — Right radius ; distal third, inner view, 151 



10a — Distal end. 



Fig. 11. — Left metacarpal ; distal portion, ulnar surface, 154 



Fig. 12. — Left metacarpal; distal end, exterior surface, 154 



a — Distal end of third metacarpal coossified with second. 

 125 — Distal articular surface. 



Note. — The positions assigned to the wing bones figured separately here and in Plates XV x and XXXI are those 

 seen when the wing is at rest, as in Plate XXVI. 



