PLATE XX. 



ODONTOENITHES. 

 Restoration of Hespeboenis eegalis Marsh. 



One-Half Natural Size. Page. 



This restoration represents what is at present known of the skeleton of this species. The 

 portions figured are taken mainly from a single individual (No. 1206, Yale College Museum). The 

 only important parts wanting are the atlas, the extremity of the coccyx, and two terminal phalanges, 

 which are restored in outline Ill 



