The Trail Book

"[...] "Wake! Wake!" said the Bull Buffalo, with a roll to it, as though the word had been shouted in a deep voice down an empty barrel. He shook the dust out of his mane and stamped his fore-foot to set the herd in motion. There were thousands of them feeding as far as the eye could reach, across the prairie, yearlings and cows with their calves of that season, and here and there a bull, tossing his heavy head and sending up light puffs of dust under the pawings of his hoof as he took up the leader's signal. "Wake! Wa--ake!" [...]."