372 



INDEX 



Ctenodipterini, 69 



characters of order, 207 



list of, 212, 279, 282, 285 286, 288, 

 289 



relations of, 165 



relations to Lung-fishes, 208 



Ctenodontidae, characters of family, 

 210 



Ctenodus, relations of, 211 



Ctenodus fleischeri, 225 

 sherwoodi, 226 

 ivagneri, 212, 213, 285 



Cuba sandstone, New York, fish re- 

 mains from, 288 



"Cuboides zone" of Devonian, Mani- 

 toba, fish remains from, 277,*279 



Culm beds, Thuringia, phosphatic con- 

 cretions from, 266 



Cumberland, Maryland, fish remains 

 from, 150 



Curbing, production of, 23, 24 



Cuyahoga county, Ohio, fish remains 

 from, 283-285 



Cyathaspis, 72, 73 



Cyathaspis acadica, 72 



Cyclostomes, 69 

 characters of, 70 

 occurrence of, 71 



Cyrtacanthus, 119 



Cyrtacanthiis dentatus, 149, 278 

 D 



"Dakotan" sea, 45, 94, 215, 225, 235 



Darwin, C, cited, 39, 44 



Dasyatis say ?, 218 



Davenport beds, 47 



Davis, J. W., cited, 129, 151 



Dawson, J. W., cited, 261, 262, 263, 266 



De Koninck, L., cited, 111 



De la Beche, mentioned, 150 



Dean, B., acknowledgments, 291 



cited, 61, 73, 98-100, 113, 118, 119, 

 121, 123, 127, 129, 134, 135, 149, 

 159, 165, 169, 177-180, 183, 189, 

 190, 194, 209, 217, 247, 265, 266, 

 271 



Delaware, Ohio, fish remains from, 278, 

 283, 285 



Delaware county, New York, fish re- 

 mains in, 92-94, 151, 212, 226, 241, 

 287-289 



Delaware limestone, Ohio, fish remains 

 in, 114, 124, 143, 146, 175. 203. 240. 

 277-279 

 Delhi, New York, fish remains from, 



239, 240 

 Delphi, New York, fish remains from. 



198 

 Dendrodus arisaigensis, 276 

 Derbyshire, England, fish remains 



from, 228 

 Dermal armor, Arthrodiran, 286 

 Dermal armor, Dinichthyid, 281 

 Dermal plates, tuberculated, i-4.9 

 Des Moines, Iowa, topographic map- 

 ping near, 4 

 Devon Point, Colorado, fish remains 



from, 94, 286, 287 

 Devonian age, fishes in, 61, 62 

 Lung-fishes of, 157 

 Ostracophores in, 171 

 Devonian Ctenodipterines, list of, 212 

 Devonian fishes, systematic account of, 



70 

 Devonian fishes of Iowa, 33 

 Devonian land, 45, 94 

 Devonian system, fish remains in, 48, 

 72, 74, 83, 91, 92, 94, 97, 100, 104- 

 107, 110, 111, 114, 117, 119, 132, 135. 

 143, 150, 152, 167, 175, 176, 186, 200, 

 207, 212, 220, 225, 227, 231, 236. 

 238-240, 242, 247, 255, 275 

 Devonian system of Iowa, stratigraphy 

 of, 45 

 fish-remains in, 48 

 Dictyorhabdis priscus, 119 

 Dinichthyid, dermal armor of. 281 

 Dinichthys, 158 



characters of genus, 188 

 comparison with Dinomylostoma. 



178 

 dentition of, 189 

 development of, 164 

 homologies with modern Lung- 

 fishes, 189 

 in Wapsipinicon beds, 4S 

 mandible of, 191 

 relations to Coccosteus, 188 

 relations to Mylostoma. 179 

 relations to Titanichthys, 203 



