He knew Buck was big, but he didn't know he was so wild. Francois was surprised too, and guessed why Buck was angry. Go on Buck!' he shouted. Fight him, the dirty thief!' Spitz was also ready to fight, and the two dogs circled one another, looking for the chance to jump in. But suddenly there was a shout from Perrault, and they saw eighty or a hundred dogs around the sledge. The dogs came from an Indian village, and they were searching for the food that they could small on the sledge.