The laugh did not merely come from the mouth, it was also exuded, pouring out through every pore.

It was rolling, unctuous, and so strong that Petty not only shook with it, but his horse seemed to shake also.
It was mellow, too, with an organ note that comes of a mighty lung and throat, and of pure air breathed all the year around.
"Thought I'd git the joke on you," he said, when he stopped laughing.
"The road's been slantin' into the mountains, without you knowin' it, and Townsville is cut off by the cliffs.

You'll find it gettin' wilder now 'till we start down the slope on the other side.

Lucky our hosses are strong, 'cause the mud is deeper than I thought it would be." It was not really a road that they were following, merely a path, and the going was painful.

Under Petty's instructions they stopped their mounts now and then for a rest, and a mile further on they began to feel a rising wind.
"It's the wind that I told you of," said Petty.