aT. 
EY « 
II. 
CONTENTS. 
SEcULAR UPHEAVAL AND DEPRESSION 
Upheaval, 276—Subsidence, 281. 
HypoGENe CAUSES OF CHANGES IN THE TEXTURE, STRUCTURE, AND 
PaePGSHETONT OH EOCIES ff) eta ght oat be. bi eek Cea ws eas 
1. Effects of Heat 
Rise of Temperature by see 289—Rise of quant ie ieee 
crushing, 290—Rise of Temperature by Intrusion of Erupted Rock, 
291—Expansion, 291—Crystallization (Marble), 291—Production of 
Prismatic Structure, 292—Fusion, 292—Contraction of Rocks in 
passing from a Glassy to a Stony State, 294—Difference between the 
Products of Artificial Fusion and Natural Layas, 295—Sublimation, 
297. 
2. Influence of Heated Water—Metamorphism 
Presence of Water in all Rocks, 298—Solvent Power of Water among 
Rocks, 299—This Power increased by Heat, 300—Co-operation of 
Pressure, 300—Experiments in Metamorphism, 300—Application of 
Experimental Results to the Theory of the Metamorphism of Rocks, 
302—Production of Marble from Limestone, 304—Dolomitization, 
304—Conversion of Vegetable Substance into Coal, 305—Production 
of the Schistose Structure, 306, 
3. Effects of Pressure 
Minor Ruptures and Noi 309— Bieivaes, Bie Deinadion 311— 
Plication, 314—Jointing and Dislocation, 315. 
Part IJ.—Epicgene on Surrace Action, 316. 
. AIR Ee 
I. Pedlos a aionk on iiaad $e 
a ooaeave Action, 318—Reproductive ation” CHE of Dust, 301. 
2. athe esipe on Water 
Ocean Currents, 327—Waves, Be ai aaa of Water-level, 328. 
WATER Up peas neon Sat ee, Saath meee SARL eet ak cane 
1. Rain ee sg ua b as 
Chemical Action, 330-—Weathering, 333-—F ormation Ge Soil, 339—Mecha- 
nical Action, 340. 
2. Underground Water 
Springs, 344—Chemical Action, 347—Mechanical cae 357. 
a ? Brooks and Rivers 
Sources of Supply, Sepia 360—Flow, 362—Geological one 
364: (1) Chemical, 364; (2) Mechanical, 366—Transporting Power, 
367—Excavating Power, 37 {—Reproductive Power, 379. 
4, Lakes é 
Fresh-water, 391—Saline, 395. 
5. Terrestrial Ice Prepress Bey ae 
Frost, 401—Frozen Rivers aa Lakes, 401—Hail, A09-—=Stibee, “402— 
Glaciers, 403—Work of Glaciers (a) Transport, 408—(b) Erosion, 
413. 
298 
309 
ol7 
318 
O27 
400 
