280 IOWA GEOLOGICAL SURVEY 



3. SPECIES OF FOSSIL FISHES OCCURRING IN THE 

 UPPER DEVONIAN OF NORTH AMERICA. 



Upper Devonian of the Quebec Province. 



OSTRACODERMS. 



63. Cephalaspis laticeps Traquair. Scaumenac bay, Quebec. 



64. Euphanerops longcevus Woodward. Scaumenac bay, 

 Quebec. 



65. Bothriolepis canadensis Whiteaves. Scaumenac bay, 

 Quebec. 



ELASMOBRANCHS. 



66. Diplacanthus striatus Agassiz. Scaumenac bay, Quebec. 



67. Diplacanthus Jiorridus Woodward. Scaumenac bay, Que- 

 bec. 



68. Acanthodes affinis Whiteaves. Scaumenac bay, Quebec. 



69. Acanthodes concinnus Whiteaves. Scaumenac bay, Que- 

 bec. 



DIPNOANS. 



70. Scaumenacia curt a (Whiteaves). Scaumenac bay, 

 Quebec. 



71. Coccosteus canadensis Woodward. Scaumenac bay, 

 Quebec. 



CROSSOPTERYGIANS. 



72. Holoptychius queoecensis (Whiteaves). Scaumenac bay, 

 Quebec. 



73. Eusthenupteron foordi Whiteaves. Scaumenac bay, 

 Quebec. 



ACTINOPTERYGIANS. 



74. Cheirolepis canadensis Whiteaves. Scaumenac bay, 

 Quebec. 



