southeastern side of the gorge he sought some point at which the trees touched some negotiable portion of the cliff, but though he traveled far both up and down the gorge he discovered no such easy avenue of escape. The ape-man finally commenced to entertain an idea of the hopelessness of his case and to realize to the full why the Kor-ul-gryf had been religiously abjured by the races of Pal-ul-don for all these many ages.
Night was falling and though since early morning he had sought diligently a way out of this cul-de-sac he was no nearer to liberty than at the moment the first bellowing gryf had charged him as he stooped over the carcass of his kill: but with the falling of night came renewed hope for, in common with the great cats, Tarzan was, to a greater or lesser extent, a nocturnal beast. It is true he could not see by night as well as they, but that lack was largely recompensed for by the keenness of his scent and the highly developed sensitiveness of his other organs of perception. As the blind follow and interpret their Braille characters with deft fingers, so Tarzan reads the book of the jungle with feet and hands and eyes and ears and nose; each contributing its share to the quick and accurate translation of the text.
But again he was doomed to be thwarted by one vital weakness—he did not know the gryf, and before the night was over he wondered if the things never slept, for wheresoever he moved they
