He shook himself to be rid of his unwelcome thoughts, and at the
same instant he felt eyes upon him. With the instinct that was his
by virtue of training he looked up squarely into the eyes that were
looking at him, to find that they were shining from the smiling
face of Olga, Countess de Coude. As Tarzan returned her bow he was
positive that there was an invitation in her look, almost a plea.
The next intermission found him beside her in her box.

"I have so much wished to see you," she was saying. "It has troubled
me not a little to think that after the service you rendered to
both my husband and myself no adequate explanation was ever made
you of what must have seemed ingratitude on our part in not taking
the necessary steps to prevent a repetition of the attacks upon us
by those two men."

"You wrong me," replied Tarzan. "My thoughts of you have been only
the most pleasant. You must not feel that any explanation is due
me. Have they annoyed you further?"

"They never cease," she replied sadly. "I feel that I must tell
some one, and I do not know another who so deserves an explanation
as you. You must permit me to do so. It may be of service to you,
for I know Nikolas Rokoff quite well enough to be positive that
you have not seen the last of him. He will find some means to be
revenged upon you. What I wish to tell you may be of aid to you
in combating any scheme of revenge he may harbor. I cannot tell
you here, but tomorrow I shall be at home to Monsieur Tarzan at
five."

"It will be an eternity until tomorrow at five," he said, as he bade