tion, and where consequently bodies have no weight."
"Why, father, what do yon mean?" asked Flora. "Would n't bodies weigh anything at all at the center of the earth?"
"Not an ounce," replied her father. "If you were down there, Flora, you would float around like a feather; is n't that so, doctor?"
"Yes," assented Dr. Giles; "there is not the slightest doubt about it."
"Oh, then, doctor, you'll let me go down in the first car, won't you?" cried the young girl, eagerly.
"My cars won't stop at the center of the earth, Flora," replied Dr. Giles. "As I told you, they will go right through to New York."
"Still," said Mr. Curtis, surprised, "I hardly see how that can make any difference. When the car reaches the center of the earth, even if it does n't stop there, the passengers will have no weight, will they?"
"I am not so sure about that," replied Dr. Giles, thoughtfully. "On the contrary, I feel inclined to think that at the center of the earth my passengers will have weight, though not their normal weight, by any means. Instead of being able to float about like a feather, Miss Flora would probably
