the bay-black side behind the left shoulder.

Frantic were the leaps of Numa--awful his roars of rage and pain;
but the giant upon his back could not be dislodged or brought
within reach of fangs or talons in the brief interval of life that
remained to the lord with the large head. He was quite dead when
Tarzan of the Apes released his hold and arose. Then the daughter
of the desert witnessed a thing that terrified her even more than
had the presence of EL ADREA. The man placed a foot upon the carcass
of his kill, and, with his handsome face raised toward the full
moon, gave voice to the most frightful cry that ever had smote upon
her ears.

With a little cry of fear she shrank away from him--she thought
that the fearful strain of the encounter had driven him mad. As
the last note of that fiendish challenge died out in the diminishing
echoes of the distance the man dropped his eyes until they rested
upon the girl.

Instantly his face was lighted by the kindly smile that was ample
assurance of his sanity, and the girl breathed freely once again,
smiling in response.

"What manner of man are you?" she asked. "The thing you have done
is unheard of. Even now I cannot believe that it is possible for a
lone man armed only with a knife to have fought hand to hand with
EL ADREA and conquered him, unscathed--to have conquered him at
all. And that cry--it was not human. Why did you do that?"

Tarzan flushed. "It is because I forget," he said, "sometimes,