thing. At least, that would be his train of thought according to those naturalists who insist on ascribing human intelligence to all the forest creatures. But it is true that Woof had learned to recognize a rifle shot, and he feared it worse than anything on earth.
Far away on the ridge top, a pair of wolves sat together with no more evidence of life than two shadows. One of the most effective accomplishments a wolf possesses is its ability to freeze into a motionless thing, so the sharpest eye can scarcely detect him in the thickets. It is an advantage in hunting, and it is an even greater advantage when being hunted. Yet at the same second they sprang up, simply seemed to spin in the dead pine needles, and brought up with sharp noses pointed and ears erect, facing the valley.
A human being likely would have wondered at their action. It is doubtful that human ears could have detected that faint tremor in the air which was all that was left of the rifle report. But of course this is a question that would be extremely difficult to prove; for as a rule the senses of the larger forest creatures, with the great exception of scent, are not as perfectly developed as those of a human being. A wolf can see better than a man in the darkness, but not nearly as far in the daylight. But the
