If I should see water, I should lose my head." She sat down and put her hand before her eyes.

"My brain is dazzled," she said.
"I don't feel strong enough to believe what I have seen." Roland shut off the current and opened the screen.

"Come here, Margaret," he said; "this is the spot upon which the light was shining.
I think it will do you good to look at it.

Tread upon it; it will help to reassure you that the things about us are real." Margaret was silent for a few moments, and then, approaching Roland, she took him by both hands.

"You have succeeded," said she; "you are the greatest discoverer of this age!" "My dear Margaret," he interrupted, quickly, "do not let us talk in that way; we have only just begun to work.