The recent great abundance of large land mammals in North America, both in individuals and species, is in striking contrast with their scarcity in South America, the difference evidently being due to the long isolation of the southern continent from other land-masses, whence it might have been restocked after the loss of a formerly existing fauna.
Photograph by Charles E. Johnson
THE MOOSE IS A POWERFUL SWIMMER
Photograph by F. O. Seabury
PART OF A HERD OF SIXTY MOUNTAIN SHEEP
They are fed hay and salt daily at the Denver and Rio Grande Railway station at Ouray, Colorado. This picture was taken at a distance of about 10 to 15 feet from the wild animals, which grow quite tame under such friendly ministrations.
From a drawing by Charles R. Knight