to forward movement on the part of the lion. If Numa hesitated he
was prodded. If he backed up the result was extremely painful and
so, being a wise lion who was learning rapidly, he decided to keep
on going and at the end of the tunnel, emerging into the outer
world, he sensed freedom, raised his head and tail and started off
at a run.

Tarzan, still on his hands and knees just inside the entrance, was
taken unaware with the result that he was sprawled forward upon
his face and dragged a hundred yards across the rocky ground before
Numa was brought to a stand. It was a scratched and angry Tarzan
who scrambled to his feet. At first he was tempted to chastise
Numa; but, as the ape-man seldom permitted his temper to guide him
in any direction not countenanced by reason, he quickly abandoned
the idea.

Having taught Numa the rudiments of being driven, he now urged him
forward and there commenced as strange a journey as the unrecorded
history of the jungle contains. The balance of that day was eventful
both for Tarzan and for Numa. From open rebellion at first the lion
passed through stages of stubborn resistance and grudging obedience
to final surrender. He was a very tired, hungry, and thirsty lion
when night overtook them; but there was to be no food for him that
day or the next--Tarzan did not dare risk removing the head bag,
though he did cut another hole which permitted Numa to quench his
thirst shortly after dark. Then he tied him to a tree, sought food
for himself, and stretched out among the branches above his captive
for a few hours' sleep.

Early the following morning they resumed their journey, winding over