DEVONIAN FISHES OF IOWA 289 



193. Eoloptychius tuberculatus Newberry. Leroy, Bradford 

 county, Pennsylvania. Also Upper Devonian of southwestern 

 Colorado. 



Catskill Beds. 



OSTRACODERMS. 



194. Bothriolepis nitida (Leidy). Tioga county, Pennsyl- 

 vania, and Delaware county, New York. 



195. Bothriolepis minor Newberry. Leroy, Bradford county, 

 Pennsylvania, and Delaware county, New York. 



ELASMOBRANCHS. 



196. Onchus rectus Eastman. Delaware county, New York. 



197. Gyr acanthus shericoodi Newberry. Mansfield, Tioga 

 county, Pennsylvania. 



ARTHRODIRES. 



198. Dinichthys sp. Franklin, Delaware county, New York. 



199. Holonema rugosum (Claypole). Bradford county, 

 Pennsylvania. 



CTENODIPTERINES. 



200. Dipterus angustus-TSewberry. Pennsylvania. 



201. Dipterus contraversus Hay. Tioga county, Pennsyl- 

 vania. 



202. Dipterus fleischeri Newberry. Tioga county, Pennsyl- 

 vania, and Franklin, Delaware county. New York. 



203. Dipterus shericoodi Newberry. Tioga county, Pennsyl- 

 vania. 



204. Ganorhynchus beecheri Newberry. Warren, Pennsyl- 

 vania. 



19 



