. Listen!"

She suddenly clutched his arm. They were both silent. There was nothing
to be heard but the wind. She leaned a little closer to him.

"Lucy Price sent me here to-night because she was afraid that it was
to-night they meant to take him from his hiding-place and kill him. The
police have left off searching for Mr. Dunster in Yarmouth and at The
Hague. There is a detective in the neighbourhood and another one on his
way here. They are afraid to keep him alive any longer."

"Where was Mr. Fentolin when you left?" Hamel asked.

"I asked Lucy Price that," she replied. "When she came to my room,
there were no signs of his leaving. She told me to come and tell you
everything. Do you know where Mr. Dunster is?"

Hamel shook his head.

"Within a few yards of here," she went on. "He is in the boat-house,
the place where Miles told you he kept a model of his invention. They
brought him here the night before they put his clothes on Ryan and sent
him off disguised as Mr. Dunster, in the car to Yarmouth."

Hamel started up, but she clutched at his arm and pulled him back. "No,"
she cried, "you can't break in! There are double doors and a wonderful
lock. The boat-house is yours; the building is yours. In the morning you
must demand the keys--if he does not come to-night!"

"And how are we to know," Hamel asked, "if he comes to-night?"

"Go outside," she whispered. "Look towards St. David's Hall and tell me
how many lights you can see."

He drew back the bolt, unlatched the door, and stepped out into the
darkness. The wind and the driving rain beat against his face. A cloud
of spray enveloped and soaked him. Like lamps hung in the sky, the
lights of St. David's Hall shone out through the black gulf. He counted
them carefully; then he stepped back.

"There are seven," he told her, closing the door with an effort.

She counted upon her fingers.

"I must come and see," she muttered. "I must be sure. Help me."

He lifted her to her feet, and they staggered out together.

"Look!" she went on, gripping his arm. "You see that row of lights? If
anything happens, if Mr. Fentolin leaves the Hall to-night to come down
here, a light will appear on the left in the far corner. We must watch
for that light. We must watch--"

The words, whispered hoarsely into his ear, suddenly died away. Even
as they stood there, far away from the other lights, another one shone
suddenly out in the spot towards which she had pointed, and