1 6 NEW YORK STATE MUSEUM 



Dinichthys sp. Hamilton limestone ; Milwaukee, Wis. 



Sphenophorus sp. 



Aspidichthys (?) notabilis IVJiitcavcs. Hamilton limestone ; Ontario. 



" Cuboides zone " of the Devonic ; Manitoba. 

 Onychodus sigmoides Newberry. Hamilton limestone; Milwaukee, Wis. 



Cedar Valley limestone ; Iowa. 

 Onychodus sp. ind. "Cuboides zone" of the Devonic; Manitoba. 



Erian stage (Cedar Valley limestone) ; Iowa and Illinois 



Ptyctodus calceolus Neivberry & Worthen. 

 Ptyctodus ferox EastDian. 

 Rhynchodus sp. 



Rhynchodus excavatus Xcivberry. 

 Heteracanthus politus iVczvbcrry. 

 Heteracanthus uddeni Lindahl. 

 Labial cartilages of Dipterus (?). 

 Dipterus calvini Eastman. Fairport, la. 

 Dipterus uddeni Eastman. Buffalo, la. 

 Dinichthys pustulosus Eastman. Rock Island, 111. 

 Dinichthys tuberculatus .Wezobcrry. Waterloo, la. 

 Onychodus sigmoides iVczvbcrry. Waverly, la. 



UPPER DEVONIC 



Upper Devonic of the Quebec province 



Class AGNATHA 



Cephalaspis laticeps Traqnair. Upper Devonic; Scaumenac bay, Quebec. 

 Euphanerops longaevus Woodward. " " 



Bothriolepis canadensis Whiteaves. " '* 



Class PISCES 



Diplacanthus striatus y^^^i-^/^. Upper Devonic ; Scaumenac bay, Quebec. 

 Diplacanthus horridus Woodzvard. " " 



Acanthodes affinis Whiteaves. " " 



Acanthodes concinnus W/iitcavcs. " " 



