PLATE CXCI 



Skull of Male Beontotherium ramosum 

 One-sixth natural size. (See p. 577) 



Am. Mus. 1447, tj'pe, Quinn Draw, Big Badlands, S. Dali., Chadron formation, upper levels. Ai, Side view; A2, front view. The 

 specific name refers to the branching character of the horn tips. The horns are extremely broad, resembling those of the Field 

 Museum specimen shown in Plate CLXXXI. Vertical crushing has flattened the skull and zygomata. The lower jaw (Am. 

 Mus. 1062; Cheyenne River badlands, S. Dak., Chadron formation) does not belong with this skull. 



