288 IOWA GEOLOGICAL SURVEY 



177. Dinichthys tuherculatus Newberry. Chemung group; 

 Warren, Pennsylvania. 



178. Holonema rugosum (Claypole). Franklin, Delaware 

 county, New York; and Pennsylvania. 



179. Holonema horridum Cope. Chemung group; Pennsyl- 

 vania. 



180. Phyllolepis delicatula Newberry. Chemung group; 

 Bradford county, Pennsylvania. 



181. Spenophorus lilleyi Newberry. Chemung group ; Leroy, 

 Bradford county, Pennsylvania. 



CTENODIPTERINES. 



182. Dipterus nelsoni Newberry (including D. alleghanien- 

 sis Williams, and the upper dental plates described as D. fiabel- 

 liformis). Chemung group; Warren, Pennsylvania. Cuba sand- 

 stone; Alleghany county, New York. 



183. Dipterus minutus Newberry. Chemung group ; Warren, 

 Pennsylvania. 



184. Ganorliynchus beecheri Newberry. Chemung group; 

 Warren, Pennsylvania. 



185. Heliodus lesleyi Newberry. Chemung group; northern 

 Pennsylvania. 



CROSSOPTERYGIANS. 



186. Apedodus prisons Leidy. Chemung group; Pennsyl- 

 vania. 



187. Strepsodus sp. (Detached tooth; also fragments of 

 Osteolepis sp., fide Cope.) 



188. Holoptychius americanus Leidy. Chemung group ; Dela- 

 ware county, New York ; and Pennsylvania, 



189. Holoptychius filosus Cope. Chemung group, Pennsyl- 

 vania. 



190. Holoptychius giganteus Agassiz. Pennsylvania. (Also 

 Upper Devonian of Colorado.) 



191. Holoptychius granulatus Newberry. Chemung group; 

 northern Pennsylvania, 



192. Holoptychius pustulosus Newberry. Chemung group; 

 Warren, Pennsylvania. 



