found speculation. They baffled him because he thought that he knew his jungle so well that there could be nothing within it unfamiliar to him. Sometimes he thought that as colors and forms appeared to differ by night from their familiar daylight aspects, so sounds altered with the passage of Kudu and the coming of Goro, and these thoughts roused within his brain a vague conjecture that perhaps Goro and Kudu influenced these changes. And what more natural that eventually he came to attribute to

the sun and the moon personalities as real as his own? The sun was a living creature and ruled the day. The moon, endowed with brains and miraculous powers, ruled the night.

Thus functioned the untrained man-mind groping through the dark night of ignorance for an explanation of the things he could not touch or smell or hear and of the great, unknown powers of nature which he could not see.

As Tarzan swung north again upon his wide circle the scent of the Gomangani came to his nostrils, mixed with the acrid odor of wood smoke. The ape-man moved quickly in the direction from which the scent was borne down to him upon the gentle night wind. Presently the ruddy sheen of a great fire filtered through the foliage to him ahead, and when Tarzan came to a halt in the trees near it, he saw a party of half a dozen black warriors huddled close to the blaze. It was evidently a hunting party