I shall soon be back." With the help of a long line I lowered myself deep down into the sea until I was enabled to ascertain, approximately at any rate, our longitude.

A fierce thrill went through me at the thought that this longitude was our longitude, hers and mine.

On the way up, hand over hand, I observed a long shark looking at me.

Realizing that the fellow if voracious might prove dangerous, I lost but little time--indeed, I may say I lost absolutely no time--in coming up the rope.
The girl was waiting for me.
"Oh, I am so glad you have come back," she exclaimed, clasping her hands.
"It was nothing," I said, wiping the water from my ears, and speaking as melodiously as I could.
"Have you found our whereabouts ?" she asked.
"Yes," I answered.

"Our latitude is normal, but our longitude is, I fear, at least three degrees out of the plumb.