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LIST OF ILLUSTRATIONS
xiii
PAGE
The Volcano Colima, Mexico, March 24, 1903 |
169 |
Jukes Butte, a Denuded Laccolith, as seen from the Northwest |
170 |
Ideal Section of a Laccolith |
170 |
Earth as seen from above.—Photographed at an Altitude of 5500 Feet |
183 |
Tracks of Sauropus Primævus |
188 |
Adventures of a Heat Ray |
193 |
Polar Caps of Mars at their Maxima and Minima |
198 |
Glacial Map of Eurasia |
200 |
Map showing the Glaciated Area of North America |
201 |
Photograph of the Moon |
205 |
Petrified Bridge, Third Petrified Forest, near Adamana, Arizona |
210 |
Three Views of Venus, showing Agreement at Different Distances |
220 |
Diagram of Libration in Longitude due to Rotation |
222 |
Moon,—Full and Half |
225 |
Diagram illustrating Molecular Motion in a Gas |
227 |
Distribution of Molecular Velocities in a Gas |
229 |