DIlSrOCERATA. 

 Atlas of DiNOCEUAS mirabile, Marsh. 



One-fourth Natural Size. p.,,,,. 



Fig. 1. — Atlas; lateral view, seen from the left, OO 



Fig. 2. — The same ; superior view, .... gf) 



Fig. .3. — The same ; anterior view, gf) 



Fig. 4. — The same; inferior view, .. __ GO 



Fig. !}. — The s.ame; posterior view, 69 



