INDEX 



423 



Muddy Creek, Wyo., 14, 17, 102, 103, 243, 246 

 munroensis (Phenacocoelus), 5, 11, 15, 20, 181-182; fig'd, 



385; meas., 288; skel., 182 

 Myton, Utah, 14, 16, 33, 34 



Nebraska, 1, 8, 9, 10, 11, 12, 27, 47, 55, 56, 63, 64, 74, 

 106, 154, 156, 191, 212, 219, 222, 228, 232, 246, 

 274 



Bear Creek, 15, 23 5 



Blue Creek, 1 5 



Chadron, 14, 15, 235, 237 



Court House Rock, 14, 15, 235 



Crow Buttes, 14, 15, 70, 235 



Devil's Gulch, 14, 15, 209 



Fort Mitchell, 14, 15, 235, 239 



Harrisburg, 15, 235 



Harrison, 54 



Lawrence Fork, 14, 15, 23 5 



Niobrara River, 14, 15, 46, 153, 157, 205, 206, 226 



Omaha Creek, 235 



Platte River, 14, 81 



Plum Creek, 15, 209 



Pumpkin Creek, 14, 15, 235, 239 



Rattlesnake Butte, 15, 235, 237 



Redington, 15, 243 



Schliegel's Creek, 15, 211 



Scotts Bluff, 14, 15, 46, 59, 81, 86, 235, 239, 263 



Sinclair Draw, 15, 168 



Squaw Butte, 14, 15, 102, 234 



Squaw Creek, 14, 15, 182 



Stonehouse Draw, 15, 170 



Turtle River, 205, 226 



Warbonnet Creek, 14, 1 5, 49, 54, 106, 181 



Warbonnet Ranch, 46 



White River Valley, 14, 15, 23 5, 239 



Wolf Creek, 15, 153 

 Nevada, 10, 12 



Virgin Valley, 14, 15, 199 

 New Chicago, Mont., 13, 14, 165, 197, 200 

 New Mexico, 7 



Espaiiola, 15, 207 



Santa Cruz, 15, 207 



Santa Fe, 11, 14, 15, 207 



Skull Ridge, 207 

 Nichols, Mrs. R. H., 2 

 Niobrara River, Nebr., 14, 15, 46, 153, 157, 205, 206, 



226 

 nitida (Leptauchenia), 5, 10, 15, 16, 19, 235, 237, 239- 



241; fig'd, 383; meas., 291; skel., 241 

 North Dakota, 8, 10, 11,27, 63, 64 



Dickinson, 14, 15, 68 

 North Fork, Ore., 14, 16, 64, 71, 83, 84, 96, 115, 117 

 North Platte River, Wyo., 14, 61, 235 

 novomexicanus {Merychyus medius) = Metoreodon novo- 



mexicanus, 207 

 novomexicanus (Metoreodon), 6, 11, 15, 19, 202, 203, 

 204, 207-209; fig'd, 207, 208, 373; meas., 289 



obliquidens (Merycoc/icerus) = Ticholeptus obliquidens, 



192 

 obliquidens (Ticholeptus), 5, 12, 13, 16, 21, 187, 192; 



fig'd, 369; meas., 287 



occidentalis (Eporeodon), 5, 10, 16, 18, 62, 63, 64, 66, 

 67, 71, 75, 76, 79, 81-83, 84, 123; fig'd, 82; meas., 

 282; skel., 83 

 occidentalis (Oreodoti) = Eporeodon occidentalis, 81 

 O'Harra, C. C, 5 5 



Oligocene, 2, 9, 25, 26, 27, 29, 42, 271, 272, 274, 275 

 Lower 



Chadron, 4, 7, 8, 43, 44, 46, 47 

 Cypress Hills, 1, 4, 5, 7, 47, 5 5 

 Duchesne River, 4, 7, 39 

 Pipestone, 4, 5, 41 

 Middle 



Brule (lower), 5, 8, 46, 47, 54, 55, 56, 58, 59, 63, 

 65, 68, 80 

 Upper 



Brule (upper), 4, 5, 8, 61, 68, 74, 77, 78, 86, 97, 



235, 238, 239 

 John Day (middle), 4, 5, 8, 30, 64, 65, 66, 70, 72, 

 81, 83, 84, 105, 117, 119, 130, 137, 178, 215 

 Martin Canyon, 4, 5, 75, 76 

 Sespe (basal upper), 4, 5, 96 

 Toston, 4, 5, 69 

 Omaha Creek, Nebr., 23 5 



Oregon, 8, 9, 10, 1 1, 12, 27, 30, 55, 63, 74, 76, 243 

 Big Bottom, 15, 64, 66 

 Bridge Creek, 14, 16, 64, 66, 70, 72, 81, 83, 96, 



97, 112, 128, 132, 134, 141 

 Camp Creek, 14, 61, 70 

 Camp Watson, 14, 16, 128 

 Clarno Bottom, 14, 16, 64, 66, 83, 130, 215 

 Cottonwood Creek, 14, 16, 64, 70, 71, 83, 192 

 Crooked River, 14, 15, 83 

 Fossil Horse Beds, 16, 70 

 Great Canyon, 16, 128 

 Harper, 16, 170, 212 

 Haystack Valley, 14, 16, 64, 66, 70, 71, 81, 83, 84, 



130, 135, 178 

 John Day River Basin, 14, 55, 64, 65, 66, 68, 70, 

 71, 72, 73, 75, 81, 83, 84, 96, 112, 115, 117, 

 119, 128, 130, 132, 134, 135, 137, 141, 145, 

 178, 213, 215, 273, 274 

 North Fork, 14, 16, 64, 71, 83, 84, 96, 115, 117 

 Skull Spring, 170, 212 

 Sucker Creek, 1 6 



Turtle Cove, 14, 16, 64, 66, 70, 71, 75, 81, 83, 84, 

 96, 97, 130, 137, 178, 213, 215 

 oregonensis (Oreodontoides), 5, 11, 16, 20, 213-216; 



fig'd, 214, 215; meas., 290 

 Oreodon = Merycoidodon, 20, 23, 45, 46, 47, 61, 75, 

 101, 160, 195, 228, 241 



affinis = Merycoidodon affinis, 46 



bullatus r= Eporeodon bullatus, 26, 62, 63, 65 



culbertsonii = Merycoidodon culbertsonii, 47, 250 



fericulorum = Merycoidodon culbertsonii peri- 

 culorum, 55 

 gracile == Merycoidodon gracilis, 56 

 gracilis Colorado ens is = Merycoidodon gracilis, 56 

 hybridus = Eporeodon major hybridus, 77 

 jacksoni = Eucrotaphus jacksoni, 62 

 macrorhinus = Merycoidodon macrorhinus, 58 

 major r= Eporeodon major, 62, 63, 74, 78 



