RUMINANTIA—CAVICoRNIA-OVIBOS MOsCHATUS. 
681 
Fig. 33. Ovibos moschatus. End of muzzle, from above and in front. (The figure is a mere diagram.) 
on the northwest coast; and a fossil skull has recently been brought to light in a railroad 
cutting in England. Some fossil remains of oxen, found in various parts of the United States, 
approximate in many respects to the musk ox, and have received from Dr. Leidy the generic 
name of Bootherium. 
86 L 
