XXvi 
FIG. 
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234, 
ILLUSTRATIONS 
Imitation mountain folds ; 3 ‘ ‘ = 
Wrinkled surface of apple. ae i ey Sea 
Cone at summit of Vesuvius . ; t : 4 
Map showing distribution of volcanoes . 
Cone of Popocatepetl, Mexico . 
Map of island of Hawaii . 
A lava flow in Hawaii 
Rough aa surface of lava 
Pahoehoe lava, Hawaii 
Vesuvius in eruption, 1872 
Profiles of volcanic cones 
Mts. Shasta and Shastina 
Vulcano, Lipari Islands . 
The crater of Kilauea 
Krakatoa after the eruption 
Pompeii and Vesuvius 
Dykes of diabase in granite 
Diagram illustrating intruded sheet 
Diagram of bosse 
Diagram of laccolite - 
Diagram to illustrate history of voles 
Mato Tepee, a volcanic neck 
Diagram illustrating earthquake wave 
Map of Japanese earthquake . 3 
Destruction caused by Japanese pacthon ake ; 
Fault-plane which caused Japanese earthquake 
Giant geyser, Yellowstone Park 
Crater of geyser, Yellowstone Park 
Diagram illustrating cause of geysers 
Diagram illustrating cause of geysers 
Diagram illustrating enlargement of sand grain 
Crumpling of metamorphosed limestone 
Flattening of pebble during metamorphism 
Slaty cleavage crossing beds of folded rock 
A crumpled gneiss 
Diagram to illustrate vein TEEN: soe 
Cross-section of vein 
Petrified trees . 
Diagram illustrating replacement of eee by iron. 
Diagram illustrating superposition of rocks of various ages . 
Diagram illustrating division of strata into ages 
