XVI 



ILLUSTRATIONS 



Figure Page 



45. Left half, superior view of skull of Eporeodon faruus (HT) 85 



46. Skull and jaw of Eporeodon soclalis (CT) 86 



47. Superior view of skull of Eporeodon socialls (CT) 87 



48. Inferior view of skull of Eporeodon socialls (CT) 87 



49. Seventh cervical vertebra of Eporeodon socialls (CT) 89 



50. Atlas of Eporeodon soclalis (CT) 89 



51. Axis of Eporeodon socialls (CT) 89 



52. First dorsal vertebra of Eporeodon socialls (CT) 90 



53. Fifth lumbar vertebra of Eporeodon socialls (CT) 90 



54. Second caudal vertebra of Eporeodon socialls (CT) 90 



55. Thirteenth caudal vertebra of Eporeodon socialls (CT) 90 



56. Scapula of Eporeodon socialls (CT) 91 



57. Humerus of Eporeodon socialls (CT) 91 



58. Head of humerus of Eporeodon socialls (CT) 91 



59. Radius and ulna of Eporeodon socialls (CT) 93 



60. Left manus of Eporeodon socialls (CT) 93 



61. Os innominatum of Eporeodon soclalis (CT) 94 



62. Femur of Eporeodon socialls (CT) 95 



63. Tibia and fibula of Eporeodon socialls (CT) 95 



64. Left pes of Eporeodon socialls (CT) 95 



65. Superior dentition of Mesoreodon chelonyx (GHT) 99 



66. Fragmentary skull and jaw of Mesoreodon megalodon (HT) 103 



67. Mandibular ramus of Mesoreodon megalodon (PT) 103 



68. Superior view of skull of Promerycochcerus carrlkeri (HT) 107 



69. Skull and jaw of Promerycochaerus carrlkeri (PLT) 108 



70. Inferior view of skull of Promerycochaerus carrlkeri (PLT) 110 



71. Skull of Promerycochcerus chelydra (HT) 113 



72. Superior view of skull of Promerycochaerus chelydra (HT) 113 



73. Inferior view of skull of Pro?nerycochcerus chelydra (HT) 114 



74. Skull of Promerycochoerus chelydra latldens (HT) 115 



75. Left half, inferior view of skull of Promerycochaerus chelydra latldens (HT) 116 



76. Right half, superior view of skull of Promerycochoerus chelydra latldens (HT) 116 



77. Skull and jaw of Promerycochoerus curvidens (HT) 117 



78. Left half, inferior view of skull of Promerycochoerus curvidens (HT) 118 



79. Skull and dentition of Promerycochcerus gregoryl (HT) 120 



80. Right mandible with dentition of Promerycochoerus hesperus (HT) 124 



81. Skull and jaw of Promerycochoerus hollandl (HT) 125 



82. Skull and jaw of Promerycochcerus hollandi hatcheri (HT) 126 



83. Fragmentary skull and jaw of Promerycochcerus hollandi minor (HT) 128 



84. Skull and jaw of Promerycochaerus leidyi (HT) 129 



85. Skull and jaw of Promerycochoerus lulll (HT) 130 



86. Right half, superior view of skull of Promerycochoerus lulll (HT) 131 



87. Left half, inferior view of skull of Promerycochoerus lulll (HT) 131 



88. Superior view of right mandible of Promerycochoerus lulll (HT) 131 



89. Skull and jaw of Promerycochoerus macrostegus (HT) 133 



90. Right half, inferior view of skull of Promerycochoerus macrostegus (HT) 133 



91. Skull of Promerycochoerus ?nacrostegus Inflatus (HT) 134 



92. Skull and jaw of Promerycochoerus marshl (HT) 136 



