INDEX 



425 



Promerycochcerus — Cont. 



hatcheri — P. hollandi hatcheri, 125 



hesperus, 5, 11, 13, 20, 105, 106, 119, 123-124; 



fig'd, 124; meas., 284 

 hollandi, 5, 11, 15, 20, 105, 106, 112, 120, 124- 

 125, 126, 127, 128, 129, 141; fig'd, 125, 331, 

 341 ; meas., 284; skel., 125 



hatcheri, 5, 11, 15, 20, 105, 106, 123, 125- 



127; fig'd, 126, 339; meas., 284 

 minor, 5, 11, 13, 20, 105, 106, 127-128, 150; 

 fig'd, 128, 343; meas., 284 

 latidens = P. chelydra latidens, 1 1 5 

 leidyi, 5, 11, 16, 20, 105, 106, 119, 127, 128-130; 



fig'd, 129; meas., 284 

 lulli, 5, 11, 16, 20, 105, 106, 130-132, 158; fig'd, 



130, 131; meas., 284; skel., 132 

 macrostegus, 5, 11, 16,20, 105, 106, 112, 115, 116, 

 123, 127, 130, 132-134, 135, 136, 139, 142, 

 144; fig'd, 133, 337; meas., 284 



inflatus, 5, 11, 16, 20, 105, 106, 134-135; fig'd, 

 134; meas., 284 

 marshi, 5, 11, 16, 20, 105, 106, 135-136; fig'd, 



136; meas., 285 

 microcephalus, 5, 11, 16, 20, 105, 106, 122, 137- 



138; fig'd, 137; meas., 285 

 montanus, 5, 11, 15, 20, 105, 106, 111, 112, 127, 

 138-139, 141, 154, 159; fig'd, 345; meas., 285 

 grandis, 5, 11, 15, 20, 105, 106, 122, 123, 125, 

 138, 139-141, 145, 147; fig'd, 27, 140, 

 347; meas., 285; skel., 141 

 fygmyus = P. vantasselensis pygmaius, 1 5 

 superbus, 5, 11, 16, 20, 104, 105, 106, 113, 114, 

 115, 116, 119, 123, 127, 130, 132, 141-145; 

 brain cast, 265-266, 411, fig'd, 141, 142, 143, 

 144, 411; meas., 266, 285; skel., 144 

 temporalis := P. superbus, 20, 143, 144, 145; fig'd, 



143, 144 

 thomsoni, 5, 11, 16, 20, 105, 106, 115, 145-147; 



fig'd, 146, 349, 351; meas., 285 

 vantasselensis, 5, 11, 15, 17, 20, 105, 106, 107, 123, 

 147-150; fig'd, 148, 149, 401; meas., 285; skel., 

 123, 150, 401 



pygmaaus, 5, 11, 16, 20, 105, 106, 127, 128, 

 150-151; fig'd, 150, 351; meas., 285; skel., 

 151 

 sp., 11, 13, 16 

 Pronomotherium, 11, 20, opp. 24, 25, 31, 41, 152, 160- 

 161, 173, 202, 204, 206, 207; meas., 286 

 altiramis = P. altiramus, 161 

 altiramum = P. altiramus, 27, 161 

 altiramus, 5, 11, 13, 20, 161-164, 165, 168, 169, 



170, 204; fig'd, 27, 162, 163; meas., 286 

 elrodi, 5, 11, 13, 20, 161, 164-165; fig'd, 164, 359; 



meas., 286 

 laticeps, 5, 11, 13, 20, 160, 161, 164, 165-167, 168, 

 169, 196, 197, 204; fig'd, 166, 359; meas., 286 

 madisonium, 5, 11, 13, 20, 161, 164, 165, 167; 



fig'd, 167, 359; meas., 286 

 siouense, 5, 6, 11, 15, 20, 160, 161, 167, 168-170, 



171; fig'd, 168, 169, 170; meas., 286 

 sp., 6, 11, 16, 161, 170-171 



proprius (Merycochoerus), 5, 10, 13, 15, 17, 19, 151, 

 152, 153, 154, 155, 156, 157, 160, 196, 204, 205, 

 211; brain cast, 266, fig'd, 266, 269; fig'd, 355, 357; 

 meas., 286; skel., 159 

 Protagriochoerus, 39 



Protoreodon, 1, 7, 12, 18, 20, 24, opp. 24, 26, 31-33, 

 36, 39, 40, 41, 42, 43, 52, 54, 101; brain cast, 259; 

 meas., 279; skel., opp. 24, 32 



medius, 4, 12, 16, 20, 32, 33-34, 35, 39; fig'd, 26, 



33, 313, 389; meas., 279; skel., 34, 389 

 minor, 4, 12, 16, 20, 32, 33, 34-35, 36; fig'd, 35; 



meas., 279 

 paradoxicus, 4, 12, 16, 20, 32, 3 3, 35-36; fig'd, 36, 



313; meas., 279 

 parvus, 4, 12, 16, 17, 20, 31, 32, 33, 35, 36, 37, 



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

 pumilus, 4, 12, 13, 16, 20, 32, 33, 34, 35, 36, 



37-39, 40, 41; fig'd, 38; meas., 279; skel., 39 

 sp., 4, 12, 13, 16, 33, 39, 40 

 Protylopus annectens, 39 



pumilus (Agriockczrus) = Protoreodon pumilus, 37 

 fumilus (Eomeryx) — Protoreodon pumilus, 37 

 pumilus (Protoreodon), 4, 12, 13, 16, 20, 32, 33, 34, 

 35, 36, 37-39, 40, 41 ; fig'd, 38; meas., 279; skel., 39 

 Pumpkin Creek, Nebr., 14, 15, 235, 239 

 pygmsus (PromerycochtErus vantasselensis), 5, 11, 16, 20, 

 ' 105, 106, 127, 128, 150-151; fig'd, 150, 351; meas., 



285; skel., 151 

 fygmyus (Promerycochcerus) = P. vantasselensis pygmzeus, 

 ' 150 



Rattlesnake Butte, Nebr., 15, 235, 237 



Redington, Nebr., 15, 243 



Relationships, 23-30 



relictus (Eporeodon major), 5, 10, 16, 18, 63, 64, 76, 



78-79, 81; fig'd, 79, 323; meas., 282; skel., 79 

 relictus (Meryckyus) = Metoreodon relictus, 212 

 relictus (Metoreodon), 6, 11, 15, 20, 202, 204, 205, 210, 



212-213; fig'd, 28, 212; meas., 289 

 Republican River formation, 6 

 Ricardo, Calif., 13, 14, 203 

 Ricardo formation, 6, 203 

 Ridgway, J. L., 2 

 Riggs, E. S., 2 



robustimi Douglass {Merycoidodon) = M. macrorhinus, 19, 

 58 



Leidy {Merycoidodon) =: M. culbertsonii, 19 

 Douglass {Oreodon) = Merycoidodon macrorhinus, 



58 

 Leidy {Oreodon) = Merycoidodon culbertsonii, 47 

 Romer, A. S., 3, 23 

 Rosebud formation 



Lower, 4, 5, 9, 76, 78, 105, 119, 145, 150, 222, 



243, 246 

 Upper, 4, 5, 9, 156, 225 

 Russell, L. S., 39, 40 



rusticus {Brachycrus) r= Ticholeptus rusticus, 194, 196 

 {Meryckyus) = Ticholeptus rusticus, 196 

 {Merycocharus) = Ticholeptus rusticus, 194, 196, 

 197 

 rusticus (Ticholeptus), 5, 12, 13, 17, 21, 187, 194-197; 

 fig'd, 195, 367, 405; meas., 287; skel., 195, 405 



