INDEX 



381 



Ostraccderms, advent of, 71 



characters of. 72 



in Silurian, 53 



list of, 275, 276, 280, 285, 287, 289 



relations of, 165 



skeleton of, 57 

 Ostracophores, 69, 157 



advent of, 71 



character of, 54, 72 



classification of, 55, 72 



habits of, 54 



history of, 54 



relations of, 160 



skeleton of, 57 



see Ostracoderms 

 Otis limestone, Iowa, 47 

 Ouray limestone, Colorado, fish re- 

 mains in, 110, 286 

 Owen, Norwood and, cited, 168 

 Owen beds, Iowa, 47 

 Oxford, New York, fish remains from, 

 198, 281 



P 

 Palaeaspis, 72 

 Palaeaspis americana, 18 



bitruneata, 73 



sericea, 73 

 Palaeomylus, 119, 120 



fin spines accompanying, 142 

 Palaeomylus crassus, 128, 144, 277 



frangens, 144, 277 



greenei, 128, 144, 178, 277 

 Palaeoniscidae, characters of family, 

 256 



history of, 255 



Palaeozoic, absence of ossified centra 

 in, 147 

 Palaeoniscus alberti, 261 



antiquvs, occurrence of, 257 



cairnsii, 261 



carinatus, 258 



devonicus, 258 

 occurrence of, 257 



modulus, 262 



ornatissimus, 258 



reticulatus, occurrence of, 257 



wardi, 258 

 Palaeontology, character of, 33 

 Palaeophichthys, characters of genus, 

 252 

 26 



Palaeophichthys parvulus, 253 



Palasospondylus, 70 



Palaeozoic system. Lung-fishes of, 157 



Pander, C. H., cited, 79, 120, 147, 1S4, 

 208, 211, 226-228, 237 



Parasphenoid of Dipnoans, 174 



Parker, G. H., cited, 271 



Special description of auditory or- 

 gans and other soft parts of Rha- 

 dinichthys deani, 272 



Parker, Balfour and, mentioned, 208 



Parrish limestone, New York, list of 

 fossil fishes from, 281 



Pascal, cited, 43 



Passage beds of France, vertebrate life 

 in, 53 



Patten, Wm, cited, 55, 71, 74, 76, 84- 

 87, 89, 166, 271 



Paving brick, production of, 19 



Paving stone, production of. 23. 24 



Peabody Museum of Natural History, 

 155, 178, 224, 234, 236 



Peat, Iowa, investigation of, 1 

 production of, 28 



Pelm, Germany, fish remains from, 177 



Pennsylvania, fish remains from, 73, 

 92, 94, 109, 112, 114, 117, 152, 154, 

 155, 187, 2C0, 201, 20G, 212, 214, 

 224-226, 239, 260, 279, 284, 287-290 



Peplorhina, occurrence of, 250 



Permian system, fish remains from, 61. 

 104, 163, 211, 242 

 Sturgeons in, 63 



Perry county, Pennsylvania, fish re- 

 mains in, 73 



Phaneropleuron, 165 

 fins of, 210 

 form of, 254 



Phlyctaenacanthus, 142 

 characters of genus, 143 



Phlyctaenacanthus telleri, 141, US, 277 



Phlyctaenaspis acaclica, 188, 276 



Phoebodus, characters of genus, 105 



Phocbodus macisaacsii, 106 

 politus, 106, 2S2 



Pholidophorus, characters of, 64 



Pholidosteus, 178 



Pholidosteus friedelii, 188 



Phosphate nodules, Kentucky, fish re- 

 mains in, 265 



