INDEX 



385 



Tioga county, Pennsylvania, fish re- 

 mains from, 92, 212, 226, 289, 290- 

 Titanichthys, characters of genus, 203 

 development of, 164 

 relations to Dinichthys, 203 

 Titanichthys agassizii, 284 

 attenuatus, 284 

 brevis, 284 

 clarki, 285 

 rectus, 2S5 

 Tornquist, A., cited, 262 

 Trachosteus clarki, 285 

 Traquair, R. H., acknowledgments, 

 291 

 cited, 54-56, 60, 76, 77, 84, 85, 116, 

 117, 145, 147, 159, 173, 184, 188, 

 208, 210; 211, 227, 237, 256, 258, 

 266, 273, 274 

 Tremataspids, relations of, 159 

 Tremataspis, classification of, 56 

 Trenton limestone, fish remains in, 75 



oil rock of, 3 

 Triassic system, fish remains from, 

 104, 211, 242 

 Protospondyli in, 63 

 Troy Mills, Iowa, gravel roads near, 3 

 Truxton Corners, New York, fish re- 

 mains from, 143 

 Tully limestone, list of fossil fishes 

 from, 281 



U 



Udden, J. A., acknowledgments, 291 



cited, 49, 218-220, 233 

 Ulsterian group, fish remains in, 107, 



108, 133, 143, 203, 204 

 Undina, characters of, 245 



geological position of, 242 

 United States, fish remains from, 273 

 United States Geological Survey, co- 

 operative topographic work of, 

 in Iowa, 4 

 tests of Iowa coals by, 1 

 United States National Museum, fish 

 remains in, 259 



Upper Devonian, fish remains in, 49, 

 61, 91, 94, 105, 106. 135, 137, 139, 

 147, 180, 200, 201, 204, 206, 213, 

 214, 220, 221, 223, 225, 231, 233, 

 235, 239, 241, 246, 256, 277, 279, 

 280, 288, 289 

 list of fossil fishes from, 280 

 of Iowa, 46 



fish remains in, 48 

 Uronemus, 165 

 form of, 254 



V 



Vanceburgh, Kentucky, fish remains 



from, 260 

 Vermillion river, Ohio, fish remains 



from, 285 

 Vertebral centra of Devonian fish, 147 

 Vertebral column, development of, in 



fishes, 64, 98 

 Von Huene, F., cited, 127 

 Von Koenen, A., cited, 175, 187, 246 

 Von Meyer, H., cited, 175 

 Von Zittel, K., mentioned, 160, 187 



W 



Waldeck, Germany, fish remains from, 

 128 



Walker, Iowa, gravel roads near, 3 



Walker Museum, University of Chi- 

 cago, fish remains in, 252 



Wapsipinicon stage, 45 

 fish remains from, 48 



Warren, Pennsylvania, fish remains 

 from, 152, 154, 200, 213, 260, 279, 

 284, 287-289 



Warren county, Pennsylvania, fish re- 

 mains from, 109, 155, 201, 213, 224, 

 225 



Waterloo, Iowa, fish remains from, 49, 

 107, 126, 137, 139 



Waverly, Iowa, fish remains from, 49, 

 126, 139, 140, 213, 225, 279 



Waverly beds, fish remains in, 100, 

 109, 112, 149, 260, 2G5, 273 



Webster, C. L., mentioned, 50 



