Descendants of the horses that the Spaniards brought to Mexico two or three hundreds ago." "And which have been spreading northward ever since," continued Paul, alive with interest.

"Let's try to get a near look at them, Henry." "I'm with you," said Henry.
Full of boyish curiosity they went around the prairie, keeping in the edge of the woods until they came much nearer to the herd of wild horses, which numbered about thirty.

As a considerable wind was blowing their odor away from the animals, they could approach very closely without their presence being suspected.
The horses were clean limbed and well-shaped, and all except one were small and dark of color.

But that one was a noticeable exception.

He was almost pure white, far larger than the others, and he had a great flowing white mane and tail.
The herd grazed in a bunch, but the magnificent white stallion stood apart on the side next to the woods.