Page:Popular Science Monthly Volume 77.djvu/613

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ACTIVE VOLCANOES OF THE SOUTH SEAS
607

Fig. 7. Mauna Loa, Hawaii, viewed from the Sea.
The even slopes, bearing secondary cones, rise slowly and grandly to a high summit.

Fig. 8. Lava-field of the Main Crater Basin of Kilauea.
The jet of vapor marks the fire-pit of incandescent lava