PLATE V. 



Ovibos. 



Fig. 



1 . Coronal view of skull of female Musk Sheep, Ovibos moschafus, from the Pleistocene 



gravel of Freshford, near Bath, Somerset. In the Collection of Charles Moore, 



Esq., F.G.S. 



g. Horncore. 



h. Coronal interspace. 



2. Coronal view of skull of Ovibos cavifrons, Leidy ; old male, from gravel near Fort 



Gibson, Arkansas. After Leidy, ' Smithsonian Contributions,' September, 1852, 

 pi. iii, fig. 1 . 



3. Coronal view of skull of Ovibos cavifrons, Bootherium bombifrons, Leidy ; adult 



female, from Big-bone Lick. After Leidy, op. cit., pi. iv, fig. 2. 



4. Lateral view of skull of Ovibos cavifrons; adult female, from Big-bone Lick. 



After Leidy, op. cit., pi. iv, fig. 1. 



