LIST OF ILLUSTRATIONS,

INCLUDING NINE DRAWINGS BY MR. DAN. BEARD,
AND A DIAGRAM.
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The Callisto and the Comet
The Callisto was going straight up
The Signals from the Arctic Circle
Diagram of the Comparative Sizes of the Planets
The Ride on the Giant Tortoise
A Battle Royal on Jupiter
The Combat with the Dragons
Ayrault's Vision
They look into the Future
The Return


BOOK I.

A JOURNEY IN OTHER WORLDS.
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CHAPTER 1.