262 



INDEX, 



Orcinus, genus, 23 



orca, 23 

 orientalis, Teleopternus, 240 

 orthostichus, Mephitis, 230 

 Oryctotherium inissouriense, 249 

 Oryzomys, genus, 81 



palustris, 81 

 Osmotherian Skunk, 230 

 Osmotherium spelaeum, 230 

 osphyia, Megaptera, 14 

 Otter, 5, 156, 229 



American Fossil, 231 



Northeastern, 156 



Southeastera, 162 

 Ovibos (Bootherium) appalachicolus, 



239 

 moschatus, 239 

 Ovis aries, 217 

 Oxen, 5 

 Ox, Musk, 6, 239 



palatinum, Lagomys, 246 



Praotherium, 246 

 palatinus, Ochotona, 246 

 palustris albibarbis, Sorex, 191 



Mus, 8r 



Oryzomys, 81 

 Panther, 5, 127 



AUeghenian Cougar or, 127 

 Parascalops, genus, 204. 



breweri, 204 

 parva, Blarina, 196 

 parvus, Sorex, 196 

 Peccary, 5, 6, 238 



Cope's Fossil, 238 



Long-snouted Fossil, 238 



Marsh's Fossil, 238 



Pennsylvania Fossil, 238 



Leidy's Platygone, 239 

 pectinatus, Equus, 237 



" fraternus, 237 

 Pekan, 179 



Pelycictis lobulatus, 231 

 pennanti, Mustek, 179 

 Pennant's Marten, 179 

 Pennsylvania Meadow Vole, 97 

 pennsylvanicus, Dicotyles, 238 



Microtus, 97, 244 



Mus, 97 



pennsylvanicus Mylohyus, 238 

 pennsylvanica, Neotoma, 85, 86 

 Perchoerus antiquus, 239 

 Peromyscus, genus, 7 7 



canadensis, 77 



" nubiterrae, 79 



gossypinus, 80 



leucopus, 79, 243 



" noveboracensis, 80, 81 

 " nubiterrae, 79 



nuttali, 79, 225 

 personatus, Sorex, 189 



lesueuri, Sorex, 226 

 Phoca, genus, 123 



cristata, 126 



groenlandica, 125 



vitulina, 123 

 Phocsena, genus, 20 



communis, 21 



lineata, 20 



phocfena, 20 

 phocgena Delphinus, 20 



Phocsena, 20 

 Phocidse, 123, 233 

 Physeter, genus, 14, 248 



antiquus, 248 



" vetus, 248 



bidens, 17 



breviceps, 15 



macrocephalus, 14 



vetus, 248 

 Physeteridse, 14 

 Pig, Leidy's Fossil, 237 

 Pigmy Sperm Whale, 15 

 Pika, 5, 246 



Cope's Fossil, 246 

 Piked Whale, 11 

 Pilot Whale, 21 

 Pine Squirrel, 56 



pinetorum scalopsoides, Microtus, loi 

 Pinnipedia, 123, 233 

 Pinnipeds, 5, 123, 233 

 Pipistrellus, genus, 210 



subflavus, 210, 21 1 



" obscurus, 211 

 plagiodon, Prodelphinus, 19 

 Plantanistidae, 247 

 Platigonus vetus, 239 

 Pleistocene, 6 



Porcate Sword Dolphin, 247 

 porcatus, Agabelus, 247 



