the big, serious, old brown bear was delighted to have so quick a pupil, for the young wolves will only learn as much of the law of the jungle as applies to their own pack and tribe, and run away as soon as they can repeat the hunting verse -- " feet that make no noise; eyes that can see in the dark; ears that can hear the winds in their lairs, and sharp white teeth, all these things are the marks of our brothers except tabaqui the jackal and the hyaena whom we hate. "