"That, too, is ready. I shall assist you, Dr. Hess."

"You!"

"Yes, I. I know something about the instruments. I have helped my father more than once."

"But—"

"There need be no objection. I am better qualified than either of these gentlemen."

He looked at me, still hesitating.

"I think you can trust the lady," I said; "she has proved her capability."

"Very well, Miss Barnard," said the doctor, more graciously; "it may try your nerves;" and, taking up some instruments, he turned toward the inner room.

"I shall be equal to it," she replied, as, gathering up some lint, and going across the room for a part of the water, fast heating over the fluid lamp, she followed him.