Dinichthys sp. indet. 



Page i3q 



Left postero-dorsolateral plate of a large sized Dinichthyid, possibly 

 identical with D. curtus Newb. Tubercular ornament, sensory 

 canals, and marks of overlap by contiguous plates well shown. 

 Natural size 



Oneonta beds ; Franklin, N. Y. 



Original in New York State Museum 



Dinichthys newberryi (Clarke) 



Page 133 



Redrawing of type mandible. Natural size 

 Genundewa limestone ; Canandaigua lake, N. Y. 

 Original in United States National Museum, Washington 

 Remains of the same or closely similar species are also known from 

 the New Albany (--= Genesee) Black slate near Louisville, Ky. 



206 



