two-tusked woolly beasts, bigger and fiercer than any elephants and rhinoceroses of today, may have uprooted trees and cropped wild grass on the very pasture where your pretty Jersey cow eats clover.
So there's another thing to help you remember Mr. Nose Horn. He was once an American, and might even feel at home here in some places, the hot swamps of Florida, for instance. Mr. River Horse, who is really a water-pig, is a stranger.
Now do you think you will ever forget "how to say their names, and which is which?"