CONTENTS XV 



CHAPTER XVII 

 REPEATING PATTERNS IN THE EARTH RELIEF 



PAGE 



The weathering processes under control of the fracture system The 

 fracture control of the drainage lines The repeating pattern in drain- 

 age networks The dividing lines of the relief patterns : lineaments 



The composite repeating patterns of the higher orders Reading 

 references 223 



CHAPTER XVIII 

 THE FORMS CARVED AND MOLDED BY WAVES 



The motion of a water wave Free waves and breakers Effect of the 

 breaking wave upon a steep, rocky shore : the notched cliff Coves, 

 sea arches, and stacks The cut rock terrace The cut and built 

 terrace on a steep shore of loose materials The work of the shore 

 current The sand beach The shingle beach Bar, spit, and bar- 

 rier The land-tied island A barrier series Character profiles 

 Reading references 231 



CHAPTER XIX 



COAST RECORDS OF THE RISE OR FALL OF THE LAND 



The characters in which the record has been preserved Even coast line 

 the mark of uplift A ragged coast line the mark of subsidence Slow 

 uplift of the coasts ; the coastal plain and cuesta The sudden uplifts 

 of the coast The upraised cliff The uplifted barrier beach Coast 

 terraces The sunk or embayed coast Submerged river channels v 

 Records of an oscillation of movement Simultaneous contrary move- 

 ments upon a coast The contrasted islands of San Clemente and 

 Santa Catalina The Blue Grotto of Capri Character profiles 

 Reading references 245 



CHAPTER XX 

 THE GLACIERS OF MOUNTAIN AND CONTINENT 



Conditions essential to glaciation The snow-line Importance of moun- 

 tain barriers in initiating glaciers Sensitiveness of glaciers to tem- 

 perature changes The cycle of glaciation The advancing hemicycle 



Continental and mountain glaciers contrasted The nourishment 



of glaciers The upper and lower cloud zones of the atmosphere . 261 



CHAPTER XXI 

 THE CONTINENTAL GLACIERS OF POLAR REGIONS 



The inland ice of Greenland The mountain rampart and its portals 

 The marginal rock islands Rock fragments which travel with the 



