1915.] Matthew and Granger, Lower Eocene Wasatch and Wind River Faunas. 81 
His “73: 
Fig. 72. Sinopa multicuspis, upper jaw, outer view, and crown view of teeth. natural 
size. No. 15239, lower Gray Bull beds, Big Horn Basin. The third molar is completed from 
another individual. 
Fig. 73. Sinopa multicuspis. Lower jaw, outer view, and crown view of teeth, natural 
size. From fragmentary skeleton No. 16820, upper Gray Bull or Lysite beds, Big Horn 
Basin. 
Fig. 74. Sinopa ? vulpecula, upper teeth, natural size, crown view, No. 16854, Lysite 
beds, Big Horn Basin. 
“i, ! 
No. 15606, type 
Fig. 75. Sinopa vulpecula, lower jaw, external view natural size. 
Lost Cabin horizon, Big Horn Basin. Found in association with type of Oxyena 
specimen. 
pardalis. 
