Figs. 8-12. 



lo- 



ll 



8 



12 



Figs. 8 and 9. — Pliauchenia ?, sp. Skeletal elements. Fig. 8, carpus, 

 metacarpus and phalanges, No. 23916, anterior view, X ^Aj %• ^j astraga- 

 lus. No. 23929, X y2' Panaca beds, Meadow Valley, Nevada. 



Figs. 10 and 11. — Alticamelus? or Procamelus?, sp. Limb elements. Fig. 

 10, astragalus, No. 23930, X % ; fig- H, carpus, metacarpus and phalanges, 

 anterior view. No. 23917, X 1/4- Muddy Valley beds. Muddy Valley, 

 Nevada. 



Fig. 12. — Merychippus ?, sp. Incisor tooth. No. 24099, X 1- Muddy Val- 

 ley beds, Muddy Valley, Nevada. 



