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LIST OF ILLUSTRATIONS
PAGE
He Held out this Weight at Arm's Length189
A Warning Sign Appeared, Bearing in Large Black Letters the Word "Danger!"203
For Some Little Time Past, the Doctor had Noticed with Growing Anxiety an Abnormal Fluctuation207
It Gave Way with a Crash, and a Column of Molten Matter Issued forth into the Tube!217
"Make Haste," said the Workman. "Follow Me"229
Magnificent Pageants of Air-Ships Bearing Wonderful Electric Lights were Arranged in Honor of the Intrepid Youth235