PLATE XXVI. 

 Cbetaceotjs Birds. — Odontoknithes. 



Page. 

 Fig. I. — Restoration <>!' Iehthyornia victor Marsh . -. 509 



i ini'-hiili' natural size. 

 Fi<;. 2. — Restoration or Heaperornia regalia Marsh 509 



One-eight li natural size. 

 ( Iretaoeous, Kansas. 



540 



