PLATE XX^I. 



ODONTOENITHES. 

 Restoration of Ichthyornis dispar Marsh. 



Page 



Natural Size. 



In this restoration, the shaded portions represent the parts preserved of the type specimen, 

 (N"o. 1450, Tale College Museum). The portions in outline are taken in part from other specimens 

 but mainly from the skeleton of a Tern, (Sterna regia Gambel.) - 177 



