The light of a street lamp fell upon them.

She gave a slight start and began to follow him.

When he discovered this and turned around, asking why she was dogging his
footsteps, she gave the above recorded answer.

By her mentioning his name, he realized that she knew him, and he at once
suspected she was La Croix's wife.

He resolved to fathom the mystery of her identity.

Seizing her arm, he exclaimed:

"Hold on a moment."

"Well?" she asked, pausing obediently.

"I want to know who you are that takes such a deep interest in my welfare.
I want to know who it is that knows me--who knows all about the private
business which has brought me to this city. Speak out. Who are you?"

"Your friend," replied the mysterious unknown.

"What is your name?" he persisted.

"I must decline to tell you."

"But I won't take a refusal. You must speak."