NO. 8 UPPER EOCENE ARTIODACTYLA — GAZIN 95 



Plate 4 



Protoreodon pumilus (Marsh) : Skull and mandible (U.S.N.M. No. 20590), 

 lateral view. Natural size. Leland Bench draw, Uinta Basin, Utah. 



Plate 5 



Protoreodon pumilus (Marsh) : Above, skull and mandible (U.S.N.M. No. 

 20590), dorsal and lateral views. Approximately two-thirds natural size. 

 Leland Bench draw, Uinta Basin, Utah. Below, upper and lower dentitions 

 (U.S.N.M. No. 20352), occlusal view. Natural size. Myton pocket, Uinta 

 Basin, Utah. 



Plate 6 



Fig. I. Protoreodon minor Scott: Right upper cheek tooth series (U.S.N.M. 



No. 20674), occlusal view. Approximately two times natural size. Devil's 



Playground, Uinta Basin, Utah. 

 Fig. 2. Protoreodon pumilus (Marsh) : Right lower molars and left Ma 



(Y.P.M. No. 1 1890), type specimen, occlusal view. Approximately three 



times natural size. Near White River, Uinta Basin, Utah. 

 Fig. 3. Protoreodon parvus Scott: Left ramus of mandible (U.S.N.M. No. 



20383), occlusal and lateral views. Approximately two times natural size. 



Uinta Basin, Utah. 



Plate 7 



Protoreodon petersoni, new species : Above, lateral view of skull and mandible 

 (P.U. No. 14404), type specimen. Below, ventral view of skull and dorsal 

 view of mandible (P.U. No. 14404), type specimen. Natural size. Myton 

 pocket, Uinta Basin, Utah. 



Plate S" 



Diplobunops vanhouteni, new species: Skull (P.U. No. 14251), type specimen, 

 ventral view. Natural size. White River pocket, Uinta Basin, Utah. 



Plate 9 



Diplobunops vanhouteni, new species: Mandible (P.U. No. 14251), type speci- 

 men, occlusal view. Natural size. White River pocket, Uinta Basin, Utah. 



Plate 10 



Diplobunops, of. matthewi Peterson: Skull (U.S.N.M. No. 20303), dorsal view. 

 Natural size. Badwater upper Eocene, Wind River Basin, Wyoming. 



Plate ii 



Diplobunops, cf. matthewi Peterson: Skull (U.S.N.M. No. 20303), lateral view. 

 Natural size. Badwater upper Eocene, Wind River Basin, Wyoming. 



Plate 12 



Diplobunops, cf. matthewi Peterson: Skull (U.S.N.M. No. 20303), ventral 

 view. Natural size. Badwater upper Eocene, Wind River Basin, Wyoming. 



