INDEX 



419 



Hill 66, Wyo., 17, 98, 102 



hollandi (Promerycochcerus), 5, 11, 15, 20, 105, 106, 112, 

 120, 124-125, 126, 127, 128, 129, 141; fig'd, 125, 

 331, 341; mens., 284; skel., 125 



hatched (Promerycochoerus), 5, 11, 15, 20, 105, 106, 



123, 125-127; fig'd, 126, 339; meas., 284 

 minor (Promerycochcerus), 5, 11, 13, 20, 105, 106, 

 127-128, 150; fig'd, 128, 343; meas., 284 

 Horsetail Creek, Colo., 13, 14, 5 5 

 Horsfall, R. B., 3, 5 5 

 Howard, E. B., 2 

 hybridus (Eporeodon major), 5, 10, 13, 15, 16, 64, 77- 



' 78; fig'd, 78; meas., 282 

 hybridus (Oreodon) = Eporeodon major hybridus, 77 

 Hydrochcerus, 260 

 Hydropotes, 261 

 Hyoid bones 

 Bos, 50 



Merycoidodon culbertsonii, 49, 50, 99, 132 

 Mesoreodon chelonyx, 99 

 Promerycochcerus lulli, 132 

 Ticholeptus rusticus, 195 

 Hyomeryx, 10, 18, 25, 26, 31, 36, 40, 41 



breviceps, 4, 10, 16, 18, 40-41; fig'd, 40; meas., 

 279; skel., 40 

 Hyopotamus, 5 1 



Hyfselochcerus = Promerycochcerus, 18, 104, 106, 121 

 hypsodus (Ticholeptus), 6, 12, 15, 21, 187, 188, 191-192; 



fig'd, 192; meas., 287 

 Hyrax, 51 



Idaho, 7 



Imlay, So. Dak., 55 



incisivus (Cyclofidius) = ? C. simus, 15, 18, 242, 249, 



254, 255; fig'd, 387; meas., 291 

 India, 23 



Indian Creek, Wyo., 17 

 infl.itus (Promerycochcerus macrostegus), 5, 11, 16, 20, 



105, 106, 134-135; fig'd, 134; meas., 284 

 intermedius (Mesoreodon), 5, 11, 15, 19, 76, 97, 98, 



102; fig'd, 333; meas., 102; skel., 97, 102 



jacksoni (Eucrotaphus), 5, 10, 17, 18, 61-62, 81; fig'd, 



313 

 jacksoni {Oreodon) = Eucrotaphus jacksoni, 62 

 Jacobsohn, L., 262 

 Jefferson River, Mont., 174 

 Jepsen, G. L., 3 

 John Day formation 



Middle, 4, 5, 8, 30, 64, 65, 66, 70, 72, 81, 83, 84, 



105, 117, 130, 137, 178, 215, 274 

 Upper, 4, 5, 8, 30, 71, 72, 83, 84, 96, 112, 115, 

 128, 132, 134, 135, 141, 213 

 John Day River, Valley, and Basin, Ore., 14, 5 5, 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 



Kansas, 8, 9 



Kay, J. L., 2 



Kennedy's Hole, Utah, 14, 16, 34 



King, C, 7 



Klaauw, C. J. van der, 26 



Krueg, J., 267 



Kyle, So. Dak., 14, 16, 119,222 



Lambe, L. M., 46, 5 5 



Laramie Peak, Wyo., 14, 16, 217, 218, 228 



laticefs (Merycochcerus) = Pronomotherium laticeps, 165 



(Mesoreodon) = Merycoides latidens, 173 

 laticeps (Pronomotherium), 5, 11, 13, 20, 160, 161, 164, 

 165-167, 168, 169, 196, 204; fig'd, 166, 359; meas., 

 286 

 latidens (Merycoides), 5, 11, 15, 19, 171, 173-174, 175, 



176; fig'd, 174, 363; meas., 288; skel., 174 

 latidens (Mesoreodon) = Merycoides latidens, 173 



(Promerycochcerus) = P. chelydra latidens, 1 1 5 

 latidens (Promerycochcerus chelydra), 5, 11, 16, 20, 105, 

 106, 115-117, 132, 133, 145; fig'd, 115, 116; meas., 

 283 

 Lawrence Fork, Nebr., 14, 15, 235 

 Leidy, T-, 2, 23, 47, 54, 57, 61, 62, 63, 74, 128, 145, 



160,196,206,207,235,236,240,262 

 leidyi (Merycochcerus) = Promerycochoerus leidyi, 128 

 leidyi (Promerycochcerus), 5, 11, 16, 20, 105, 106, 119, 



127, 128-130; fig'd, 129; meas., 284 

 Leota Ranch, Utah, 39 

 leptacanthus (Eporeodon), 5, 10, 16, 18, 63, 64, 70-71, 



72, 73, 74; fig'd, 317; meas., 281 

 leftacanthus (Eucrotaphus jacksoni) = Eporeodon leptacan- 

 thus, 70 

 Leptauchenia, 10, 19, opp. 24, 25, 30, 31, 54, 83, 181, 

 182, 183, 221, 224, 225, 234-235, 241, 243, 245, 

 248, 249, 255, 256, 258; meas., 291; skel, opp. 24, 

 235 



californica = Cyclopidius californicus, 242 

 decora, 5, 10, 13, 15, 16, 19, 234, 235-238, 239, 

 240; fig'd, 28, 381, 407; meas., 291; skel., 236, 

 407 

 densa rr Cyclopidius densus, 243 

 major, 5, 10, 15, 16, 19, 226, 235, 237, 238, 239 



240, 249; fig'd, 383, 385 ; meas., 291 

 minora, 5, 10, 17, 19, 235, 238, 239; fig'd, 383 

 nitida, 5, 10, 15, 16, 19, 235, 237, 239-241; fig'd, 



383; meas., 291; skel., 241 

 sp., 10, 15, 16 

 Leptomeryx, 259 



leptorhynchus (Merychyus arenarum), 5, 10, 16, 19, 217, 

 218-219, 220, 221, 222, 231; fig'd, 375; meas., 290 

 Lewis, G. E., 3 



Limnenetes, 10, 19, opp. 24, 25, 26, 28, 30, 31, 42, 43, 

 44, 45, 173, 181, 235; skel., opp. 24 

 ancefs = Oreonetes anceps, 43 

 platyceps, 4, 10, 13, 19, 22, 43, 44-45; fig'd, 27, 



313; meas., 280; skel., 45 

 sp., 4 

 Lines of descent, 1,25 

 Logan, Mont., 13, 14, 164 

 longiceps (Merycoides), 5, 11, 13, 19, 171, 174-177, 188; 



fig'd, 28, 175, 176; meas., 288 

 longicefs (Mesoreodon) = Merycoides longiceps, 174 



