150 



OHIO FOSSILS 



Patellostium montfortianum *1 17 



Peccary 135 



Pecopteris *106, 120 



Pelecypoda 37 



Devonian 82 



Mississippian 101 



Ordovician 50 



Pennsylvanian 112 



Permian 120 



Pleistocene 122 



Silurian 66 



Pennsylvanian fossils 105 



Pennsylvanian history 23 



Pentamerus laevis *64 



Pentamerus oblongus 64 



Periechocrinites tennesseensis #73 



Permian fossils 1 20 



Permian history 26 



Peronopora vera 47 



Petrocrania modesta 110 



Phacops rana milleri *Frontispiece, 92 



Phanerotrema gTayvillensis *118 



Phanerotre ma occidens 67, *68 



Pharkidonotus *117 



Phenacocyclas 85 



Philhedra crenistriata 81 



Phillipsia *119 



Pholidops 81 



Phragmoceras parvum 69, #70 



Phricodithyris perplexa #110 



Physa #131 



Pinnatopora whitii #108 



Pisces 41 



Pisidium *126 



Pisocrinus gemmiformis #73 



Placodermi 41 



Planogyra asteriscus #133 



Planorbula *131 



Plants 



Classification 29 



Devonian 74 



Mississippian 97 



Ordovician . 45 



Pennsylvanian 105 



Permian 120 



Pleistocene 122 



Silurian 57 



Platyceras angulatum #68 



Platyceras dumosum #88 



Platyceras hertzeri #103 



Platyceras lodiense #103 



Platyhelminthes 35 



Platyostoma cornutum 67, #68 



Platystrophia #49, 64 



Plectambonites transversalis 64 



Plectodonta transversalis 64 



Plectorthis plicate 11a 50 



Pleistocene fossils 122 



Pleistocene history 26 



Pleurocera #129 



Pleuronotus decewi #88 



Pleurophorella #115 



Pleurophorus #115 



Pleurophorus (?) ohioensis #120 



Pleurotomaria #88,118 



Pleurotomaria adjutor 87 



Pleurotomaria rotalia #87 



Pleurotomaria textiligera #103 



Poleumita scamnata *68 



Polygyra *131 



Polypora fastuosa #109 



Porcellia sciota #88 



Porifera, general 34 



Devonian 75 



Mississippian 97 



Ordovician 45 



Silurian 57 



Posidonia #114 



Pre-Cambrian 13 



Preservation of fossils 3 



Prismatophyllum 77 



Prismopora sereata #108 



Productids, Pennsylvanian Ill 



Proetus rowii *92 



Prolecanites #103 



Promenetus *131 



Proptera #125 



Protarea richmondensis 46 



Protokionoceras #69 



Protomegastrophia 65 



Protozoa, general 33 



Devonian 75 



Mississippian 97 



Pennsylvanian #107 



Silurian •••••• 57 



Psaronius *106 



Pseudorthoceras knoxense *1 18 



Pseudosuccinea *130 



Pteridophyta 30 



Pteridospermophyta *31 



Pterinea 84 



Pterinea brisa *66 



Pterinea demissa *51 



Pterinea flabella 84 



Pteropoda, Devonian 89 



Ptychospira magna *9i> 



Ptychospirina varians *87 



Pugnax utah *111 



Punctospirifer kentuckyensis *111 



Punctum pygmaeum *133 



Pupilla muscorum *132 



Pycnostylus 59 



Pygidium, of trilobites 39 



R 



Radiolaria 34 



Rafinesquina alternata *50 



Rafinesquina alternata fracta 50 



Reptilia 42 



Permian 121 



Pleistocene 134 



