424 



the merycoidodontid^e 



Oreodon — Con/. 



minor = nomen nudum, 56, 5 7 



occidentalis = Eporeodon occidentalis, 81 



friscum = Merycoidodon culbertsonii, 47 



robust um Douglass = Merycoidodon macrorhinus, 58 



robustum Leidy = Merycoidodon culbertsonii, 47 



suferbus = Promerycochoerus superbus, 141, 145 



Oreodontoides, 11, 20, opp. 24, 25, 30, 31, 213 



oregonensis, 5, 11, 16, 20, 213-216; fig'd, 214, 215; 

 meas., 290 



Oreonetes, 11, 20, opp. 24, 25, 26, 28, 31, 42, 45; 

 meas., 279 



anceps, 4, 11, 13, 20, 42, 43; fig'd, 26, 313, 315; 

 meas., 279 



Origin, 1, 22-23 



Orycteropus, 259, 268 



Osborn, H. F., 8, 37, 62, 65 



Ovis, 259, 261 



pacificus (Eporeodon), 5, 10, 15, 16, 18, 63, 64, 67, 68, 



71, 72, 74, 83-84; fig'd, 327; meas., 282 

 facificus (Eucrotafhus jacksoni) = Eporeodon pacificus, 83 

 Packard, E. L., 3 

 Palaeomeryx, 201 

 paludicola (Poatrephes), 5, II, 13, 15, 20, 197, 198, 200- 



201; fig'd, 201, 365; meas., 288 

 faniensis (MerycAyus) = M. elegans paniensis, 227, 228 

 paniensis (Merychyus elegans), 5, 10, 13, 19, 217, 227- 



228, 232; fig'd, 227, 379; meas., 290; skel., 228 

 Paracotylofs = Promerycochoerus, 20, 104, 106, 145 

 suferbus = Promerycochoerus superbus, 141, 145 

 faradoxicum (Agriotherium) = Protoreodon paradoxicus, 



35 

 paradoxicus (Protoreodon), 4, 12, 16, 20, 32, 33, 35-36; 



fig'd, 36, 313; meas., 279 

 pariogonus (Merychyus), 5, 10, 15, 19, 217, 229, 231- 



232; fig'd, 379; meas., 290 

 Paroreodon, 11, 20, opp. 24, 25, 30, 31, 171, 177-178, 



181; meas., 288 



marshi, 5, 11, 16, 20, 177, 178-180; fig'd, 179; 

 meas., 288 

 parvus (Eporeodon), 5, 10, 16, 18, 63, 64, 69, 84-86; 



fig'd, 85; meas., 282 



(Protoreodon), 4, 12, 16, 17, 20, 31, 32, 33, 35, 

 36, 37, 39, 40; fig'd, 36, 313; meas., 279 

 Pawnee Buttes, Colo., 13, 14, 227 

 Pawnee Creek, Colo., 13, 14, 157 

 Pawnee Creek formation, 4, 5, 157, 194, 197, 227 

 perbullatus (Eporeodon longifrons), 5, 10, 16, 18, 63, 64, 



72-74; fig'd, 73; meas., 281 

 periculorum (Merycoidodon culbertsonii), 5, 11, 13, 15, 



17, 19, 46, 55-56, 59; fig'd, 317; meas., 280 

 fericulorum (Oreodon culbertsonii) = Merycoidodon cul- 

 bertsonii periculorum, 55 

 Peterson, O. A., 1, 2, 34, 35, 39, 108, 109, 111, 112, 



155, 156, 180, 181, 185, 193, 207, 221, 222, 230, 



274 

 petersoni (Ticholeptus), 5, 6, 12, 15, 17, 21, 187, 188, 



191, 193-194; fig'd, 28, 193, 405; meas., 287; skel., 



194, 405 



Phenacoccelus, 11, 20, opp. 24, 25, 31, 171, 177, 180- 

 181, 221, 222, 235; meas., 288; skel, opp. 24, 180 

 munroensis, 5, 11, 15, 20, 181-182; fig'd, 385; 



meas., 288; skel., 182 

 typus, 5, 11, 15, 20, 180, 181, 182-186; fig'd, 28, 

 183, 184, 397; meas., 288; skel., 185, 397 

 Phvlogeny, 25-30; fig'd, 25 

 Pine Ridge, So. Dak., 16, 78, 145 

 Pipestone formation, 4, 5, 41 

 Pipestone Springs, Mont., 13, 14, 41 

 Pithecistes = Cyclopidius, 20, 241, 251, 252 



brevijacies = ? Cyclopidius simus, 249, 251 

 decedens = ? Cyclopidius simus, 249, 252 

 Platte River, Nebr., 14, 81 

 platycephalus (Merycoidodon), 5, 11, 15, 19, 46, 59-60; 



fig'd, 59, 60; meas., 280; skel., 60 

 platyceps (Limnenetes), 4, 10, 13, 19, 22, 43, 44-45; 



fig'd, 27, 313; meas., 280; skel., 45 

 Pleistocene, 9 



Pliocene, 2, 7, 9, 23, 25, 31, 205, 271, 272 

 Lower 



Devil's Gulch, 6, 209 

 Republican River, 6 

 Ricardo, 6, 203 

 Santa Fe, 6, 207 

 Snake Creek, 6, 191, 209 

 Valentine, 4, 6, 153, 211 

 Plum Creek, Nebr., 15, 209 



Poatrephes, 11,20, opp. 24, 25, 31, 171, 178, 197,200 

 paludicola, 5, 11, 13, 15, 20, 197, 198, 200-201; 

 fig'd, 201, 365; meas., 288 

 Porcupine Butte, So. Dak., 14, 16, 156, 225 

 Porcupine Creek, So. Dak., 16, 119, 145, 150, 222, 225 

 friscutn (Merycoidodon) = M. culbertsonii, 19 

 friscum (Oreodon) = Merycoidodon culbertsonii, 47 

 frofectus (Merychyus) := Metoreodon profectus, 209 

 profectus (Metoreodon), 6, 11, 15, 16, 20, 160, 202, 203, 

 204, 205, 206, 207, 208, 209-212; fig'd, 210, 211, 

 371, 373; meas., 289 

 Promerycochcerus, 11, 18, 20, opp. 24, 25, 30, 31, 64, 

 76, 97, 99, 104-106, 117, 118, 119, 151, 157, 158, 

 159, 186, 194, 196, 221, 243, 274, 275; brain cast, 

 265-266, 267; meas., 266, 283-285; skel., opp. 24, 

 104 



carrikeri, 5, 11, 15, 20, 105, 106-112, 119, 120, 

 121, 122, 123, 147, 148, 150; fig'd, 107, 108, 

 110, 331, 401; meas., 283; skel., 108, 123, 401 

 chelydra, 5, 11, 16, 20, 105, 106, 112-115, 116, 

 M9, 124, 129, 132, 137, 141; fig'd, 113, 114; 

 meas., 283 



latidens, 5, 11, 16, 20, 105, 106, 115-117, 132, 

 133, 145; fig'd, 115, 116; meas., 283 

 curvidens, 5, 11, 16, 20, 105, 106, 117-119, 121, 



128; fig'd, 117, 118; meas., 283 

 erythroceps, 5, 11, 13, 20, 105, 106, 119; fig'd, 



341 ; meas., 283 

 grandis = P. montanus grandis, 27 

 gregoryi, 5, 11, 16, 20, 105, 106, 119-121, 123; 

 fig'd, 120, 335, 403; meas., 283; skel., 121, 123, 

 403 



loomisi, 5, 11, 17, 20, 106, 121, 122-123; fig'd, 

 337, 403; meas., 284; skel., 122, 123, 403 



