20 NEW YORK STATE MUSEUM 



Upper Devonic of Iowa and Illinois 

 Class PISCES 

 Diplodus priscus Eastman. Upper Devonic ; Elmhurst, 111, 

 Diplodus striatus Eastman. " " 



Diplodus sp. ind. " 



Ptyctodus calceolus Ncwb. & IV. Upper Devonic; Elmhurst, 111. Also 



State Quarry, Lime Creek and Sweetland Creek beds, Iowa. 

 Ptyctodus compressus Eastman. State Quarry beds ; Johnson county, la. 

 Ptyctodus ferox Eastman. State Quarry beds; Johnson county, la 

 Dinichthys pustulosus Eastman. " 



Synthetodus trisulcatus Eastman. " " 



Dipterus costatus Eastman. " " 



Dipterus mordax Eastman. " *' 



Upper Devonic of Colorado 

 Class AGNATHA 

 Bothriolepis coloradensis Eastman. Elbert formation ; Rockwood. 



Class PISCES 

 Holoptychius giganteus Agassiz. Elbert formation ; Devon Point. 

 Holoptychius tuberculatus Ncivbcrry. Elbert formation ; Devon Point. 

 Arthrodire fragments. Elbert formation ; Devon Point. 



Chautauquan stage (Chemung-Catskill) ; New York and Pennsylvania. 

 Chemung group 



Class AGNATHA 



Bothriolepis minor Lcidy. Chemung group ; Bradford county. Pa. Cats- 

 kill ; Delaware county, N. Y. 



Class PISCES 

 Cladodus coniger Hay. Chemung group ; Warren, Pa. 

 Cladodus sp. High Point sandstone ; Naples, N. Y. 

 Helodus gibberulus Agassiz. Chemung group ; Warren, Pa. 

 Rhynchodus pertenuis Eastman. Chemung group ; F"ranklin, N. Y. 



