310 



Index. 



notes on other Agriochoeridae, 

 by Earl Douglass, 84-100 

 Merycochoerus, New Species of, 97 



in Montana, 89, 94- 

 Merycoides cursor, 101 

 Merycoidodon culbertsoni, 38, 84, 99, 



107 

 Merycoidodonts, 89, 98, 102 

 Mesohippus, 58 



bairdi, 270 



brachystylus, 270, 271 



hypostylus, 269 



portentus, 268, 272 

 Mesonauta festivus, 145, 155 

 Mesoreodon, 23, 24 



chelonyx, 25, 26, 102, 103 



latidens, 102 



megalodon, 25 

 Metoptoma dubia, 168, 219 



eubule, 217, 219 



montrealensis, 169, 172, 173, 219 

 Metynnis hypsauchen, 154 



mola, 141, 154 

 Middle Miocene, 18 

 Middle White River Horizon, 99 

 Miocene Beds, 101 

 Miocene of Nebraska, 89 

 Miocene Beds of Western Nebraska 

 and Eastern Wyoming and 

 their Vertebrate Faunae. By 

 O. A. Peterson, 21-72 

 Mississippi River, 11 1 

 Missouri River, 1 1 1 

 Miuroglanis, 118 

 Moenkhausia, 128 



agassizi, 138, 153 



dichrourus, 138, 153 



lepidurus, 153 

 Monroe Creek Beds, 23, 26, 35 

 Montreal, Canada, 169 

 Moodie, Roy L., 5 

 Moropus, 5 



elatus, 46, 56, 60 

 Morphnus guianensis, 302 

 Mosasauridae, 162 



Osteology of the, 162-167 

 Mosasaurus, 161, 163, 164 



lemonnieri, 163, 166 

 Murchisonia abbreviata, 168 



asper, 169, 219 



bicincta, 188, 190 



decurta, 219 



gracilis, 191 



helicteres, 190 



hermione, 217, 219 



hyale, 217, 219 



infrequens, 169, 191, 219 



Murchisonia perangulata, 188, 219 

 subabbreviata, 169, 219 



Murray, Sir John, 160 



Mustelinae, 69 



Myiophobus fasciatus furfurosus, 302 



Myleus asterias, 154 

 levis, 142, 164 



Mylinae, 154 



Mylogaulidae, 98 



Mylogaulus, 72 



Mylossoma albiscopus, 142, 154 

 aureus, 154 



Nanognathus borelli, 124 



Naosaurus, 235 



raymondi, 238 



Narraway, J. E. and Percy E. Ray- 

 mond, Notes on Ordovician 

 Trilobites : Illaenidae from the 

 Black River Limestone near 

 Ottawa, Canada, 242-255 



National Museum, Paris, 160 



Nebraska Beds, 22 



New Chicago, Montana, 89 



New Jersey Cretaceous, 12 



New Vertebrates from the Montana 

 Tertiary, 260 



New York State Museum, 209 



New York State Paleontologist, 211 



Niobrara River, 22, 41, 60, 69 



Niobrara, Sante Fe, and Republican 

 River Basin, 98 



Notes on Ordovician Trilobites : 

 Illaenidae from the Black River 

 Limestone Near Ottawa, Can- 

 ada, 242-255 



Nothocyon annectens, 46, 55 

 (Galecynus) annectens, 53 

 latidens, 53~55 

 lemur, 33, 53, 54 



Odontostilbe paraguayensis, 125, 152 

 trementina, 125, 152 



Ohio Pyle, Pa., 226 



Ohio River, in 



On Further Collections of Fishes 

 from Paraguay, by Carl H. 

 Eigenmann, Waldo Lee Mc- 

 Atee, and David Perkins Ward, 

 110-157 



Oligocene Formation, 23 



Oligocene Lizards, 278-285 



Ophidia, 232 



Opisthoparia, 243 



Orbicula deformata, 171, 219 



(Archinacella) deformata, 168 



Ordovician Trilobites, Notes on, 242- 

 255 



Oreodon, 91, 99 



(Eucrotaphus?) major, 101 



