which empties the waters of Kor-ul-lul into the valley, forming a small river which runs southwest, eventually entering the valley's largest lake at the City of A-lur, through the center of which the stream passes. An ancient trail, well marked by countless generations of naked feet of man and beast, leads down toward A-lur beside the river, and along this Tarzan guided the gryf. Once clear of the forest which ran below the mouth of the gorge, Tarzan caught occasional glimpses of the city gleaming in the distance far below him.
The country through which he passed was resplendant with the riotous beauties of tropical verdure. Thick, lush grasses grew waist high upon either side of the trail and the way was broken now and again by patches of open park-like forest, or perhaps a little patch of dense jungle where the trees overarched the way and trailing creepers depended in graceful loops from branch to branch.
At times the ape-man had difficulty in commanding obedience upon the part of his unruly beast, but always in the end its fear of the relatively puny goad urged it on to obedience. Late in the afternoon as they approached the confluence of the stream they were skirting and another which appeared to come from the direction of Kor-ul-ja the ape-man, emerging from one of the jungle patches, discovered a consider-
