246 
PLATE Ved: 
DINICHTHYS MINOR, Newb. (p. 149). 
. Dorsal shield from above. 
. Dorsal shield side view. 
. Supra-occipital bone, outside. 
. Supra-occipital bone, inside. 
. Mandible, outside. 
. Mandible, inside. 
. Premaxillary tooth, front and side views. 
All natural size. Cleveland shale, Lorain County, Ohio. 
