CHAPTER VII
A SUBMARINE TRIP
"HY, doctor, surely my ears deceive me! You don't actually mean to say that you are thinking of beginning operations at the bottom of the ocean?"
"Most assuredly I am."
"But what reasons have you for such a foolish step? Why do you wish to allow the ocean to run into your tunnel?"
"I think I shall have no difficulty in keeping the ocean out," said Dr. Giles, smiling.
"Well, but what advantage do you see in beginning work under water?"
"To begin with," said Dr. Giles, "there is the advantage you mentioned of having a convenient dumping-place for all the materials excavated."
"And I suppose, too, you will save a few miles
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