INDEX 



149 



N 



Ligumia *1 25 



Lima retifera *1 14 



Lingula *81 



Lingula carbonaria *110 



Lingula me lie *98 



Lingulodiscina newberryi *98 



Linoproductus cora *112 



Lophophyllidium profundum *107 



Lophospira bowdeni *52 



Loxonema *87 



Loxonema (?) parva *121 



Loxonema pikensis *103 



Loxonema scitulum *117 



Lyellia 59 



Lymnaea stagnalis *130 



M 



Macrocheilus 87 



Maculae 46, *47 



Mammalia, Pleistocene 43, 134 



Mammoths *135 



Man, Pleistocene 136 



Marginifera *112 



Marsipocrinus 73 



Marsupiocrinus praematurus *73 



Mastodons *135 



Megacystites greenvillensis *72 



Megalograptus 53 



Megalomus canadensis *66 



Megaphyton *106 



Megastrophia hemisphaerica 82, *83 



Megistocrinus 94 



Melocrinites onondaga 94 



Meristella *81 



Meristina maTia *64 



Mesodon *131 



Mesolobus mesolobus *1 1 1 



Mesomphix *132 



Mesozoic history 26 



Michelinoceras icaius *103 



Mississippian fossils 96 



Mississippian history 21 



Mississippian rocks in Ohio 22 



Modiolopsis modiolaris *52 



Modiomorpha concentrica *85 



Mollusca, Pleistocene 36, 122 



Monotrypella consimilis 61 



Monticules 46 



Monticulipora mammulata 47 



Monticulipora molesta 47 



Mosses 30 



Mourlonia lucina *88 



Mourlonia stellaeformis *103 



Murchisonia *87 



Muscle scars, of pelecypods 37 



Musculium *126 



Myalina *114 



Naming of fossils 3 



Nassauoceras seminodosus *90 



Naticonema lineata *89 



Naticopsis *87 



Naticopsis (?) diminuta *1 21 



Nautiloidea 38 



Necturus maculosus 134 



Nemathelminthes 35 



Neospirifer cameratus *111 



Neostrabops martini 53 



Nephriticerina metula *91 



Neuropteris *106, 120 



Naiadites *114 



Nucleocrinus verneuilli *93 



Nucleospira *64 



Nucula *115 



Nuculana *102, *115 



Nuculites triqueter *85 



Obovaria *126 



Odontocephalus *92 



Onychophora 38 



Operculum 37 



Opisthoptera 51 



Orbiculoidea *81, 110 



Orbiculoidea newberryi *98 



Ordovician fossils 44 



Ordovician history . 14 



Ordovician rocks of Ohio 15 



Ormoceras winchelli *90 



Orthis flabellites 65 



Orthoceras dyeri 52 



"Orthoceras" rushense .; *118 



Orthoceras simulator *69 



Othonema 87 



Orthonema newberryi 87 



Orthonema subtaeniatum *117 



Orthothetes 101 



Ossicles, of crinoids 4° 



Osteichthyes 42 



Ostracoda, general 39 



Devonian 91 



Ordovician 53 



Pennsylvanian 119 



Pleistocene 134 



Silurian 70 



P 



Palaeoneilo *102 



Palaeotrochus kearneyi *87 



Paracyclas elliptica *85 



Parallelodon *115 



Parallelodon depressus *102 



Parmorthis *66 



