20 



THE MERYCOIDODONTID/E 



Metoreodon novomexiccmus, Frick 1929; p. 

 207 } Text figs. 149-151; PI. XXXI, fig. 2. 



M. projectus, Matthew and Cook 1909; p. 

 209; Text figs. 152-153; PI. XXX, PI. 

 XXXI, fig. 1 . 



M. relictus, Matthew and Cook 1909; geno- 

 type; p. 212; Text figs. 5, 154. 



Oreodon, Leidy 1851 = Merycoidodon; p. 45. 



Oreodontoides, Thorpe 1921; p. 2 1 3 ; Table 1 2. 

 O. oregonensis, Thorpe 1921; genotype; p. 

 213; Text figs. 155-159. 



Oreonetes, Loomis 1924; p. 42; Table 1. 

 O. anceps, Douglass 1901; genotype; p. 43; 

 Text fig. 3; PI. I, figs. 6-8, PI. II, figs. 

 1-2. 



Paracotylops, Matthew 1901 = Promeryco- 

 chosrus; p. 104. 



Paroreodon, Thorpe 1921; p. 177; Table 10. 

 P. marshi, Thorpe 1921; genotype; p. 178; 

 Text figs. 129-131. 



Phenacoccelus, Peterson 1906; p. 180; Table 10. 

 P. munroensis, Peterson 1928; p. 181; PI. 



XXXVII, fig. 9. 

 P. typus, Peterson 1906; genotype; p. 182; 



Text figs. 5, 132-136; PI. XLIII, fig. 2. 



Pithecistes, Cope 1878 = Cyclopidius ; p. 241. 



Poatrephes, Douglass 1903; p. 200; Table 10. 



P. paludicola, Douglass 1903; genotype; p. 



200; Text fig. 145; PI. XXVII, figs. 1-2. 



Pr ornery cochaerus, Douglass 1901; p. 104; 



Tables 5-7. 

 P. carrikeri, Peterson 1906; p. 106; Text 



figs. 68-70; PI. X, fig. 1, PI. XLV, fig. 1. 

 P. chelydra, Cope 1884; p. 112; Text figs. 



71-73. 

 P. c. latidem, Thorpe 1921; p. 115; Text 



figs. 74-76. 

 P. curvidens, Thorpe 1921; p. 117; Text 



figs. 77-78. 

 P. erythroceps, Stock 1932; p. 119; PI. XV, 



figs. 1-3. 

 P. gregoryi, Loomis 1924; p. 119; Text fig. 



79; PI. XII, PI. XLVI, fig. 1. 

 P. g. loomisi, Schlaikjer 1934; p. 122; Pi. 



XIII, figs. 1-2, Pi. XLVI, fig. 2. 

 P.hesperus, Stock 1930; p. 123; Text fig. 80. 



Pr ornery cochcerus hollandi, Douglass 1907; p. 



124; Text fig. 81 ; PI. X, fig. 2, PI. XV, 



figs. 4-5. 

 P. h. hatcheri, Douglass 1907; p. 125; Text 



fig. 82; PI. XIV. 

 P. h. minor, Douglass 1903; p. 127; Text fig. 



83; PI. XVI. 

 P. leidyi, Bettany 1876; p. 128; Text fig. 84. 

 P. lulli, Thorpe 1921 ; p. 130; Text figs. 85- 



88. 

 P. macrostegus, Cope 1884; p. 132; Text figs. 



89-90; PI. XIII, fig. 3. 

 P. m. infatus, Thorpe 1921; p. 134; Text 



fig. 91. 

 P. marshi, Thorpe 1921; p. 135; Text figs. 



92-93. 

 P. microceplialus, Thorpe 1921 ; p. 137; Text 



figs. 94-95. 

 P.montanus, Cope 1884; p. 138; PL XVII. 

 P.m. grandis, Douglass 1907; p. 139; Text 



figs. 4, 96; PI. XVIII. 

 P. superbus, Leidy 1870; genotype; p. 141; 



Text figs. 97-102; PI. L, figs. 3-4. 

 P. temporalis, Bettany 1876 = P. superbus; 



p. 145; Text figs. 103-105. 

 P. thomsoni, Loomis 1924; p. 145; Text figs. 



106-107; PI. XIX, PI. XX, fig. 1. 

 P. vantasselensis, Peterson 1906; p. 147; 



Text figs. 108-1 10; PI. XLV, fig. 2. 

 P. v. pygmceus, Loomis 1924; p. 150; Text 



fig. Ill; PI. XX, figs. 2-3. 



Pronomotheriumy Douglass 1907; p. 160; 



Table 8. 

 P. altiramus, Douglass 1901; p. 161; Text 



figs. 4, 114-116. 

 P. elrodiy Douglass 1901; p. 164; Text fig. 



117; PI. XXIV, fig. 4. 

 P. laticeps, Douglass 1900; genotype; p. 165; 



Text fig. 118; PI. XXIV, figs. 1-3. 

 P. madisonium, Douglass 1901; p. 167; Text 



fig. 119; PI. XXIV, fig. 5. 

 P. siouense, Sinclair 1915; p. 168; Text figs. 



120-123. 



Protoreodon, Scott and Osborn 1887; p. 31; 



Table 1. 

 P. medius, Peterson 1919; p. 33; Text figs. 



3, 8; PI. I, fig. 1, PI. XXXIX, fig. 1. 

 P. minor, Scott 1899; p. 34; Text figs. 9-10. 

 P.paradoxicus, Scott 1898; p. 35; Text fig. 



11; PL I, fig. 2. 



