On a cold morning a cow-horse does not like to be very tightly cinched or girthed up.

He resents it by at once beginning to buck furiously as soon as his rider gets into his saddle.
[Illustration: CHANGING HORSES.] Even staid old horses will do it on a very cold morning.

But the "young uns," the broncos, are then perfect fiends.

Thus there is nearly always some sport to begin the day with.

By noon the round-up has been completed and a large herd of cattle collected.