Vill CONTENTS. 
PAGE 
TXAMPLES OF GEOLOGICAL REASONING... cscs -s0cessceshevus cecdeescecsesctcseathaeeaee 
Reasoning regarding Rock Sections.......... her ee Pane 147 
Reasoning regarding Surface Phenomena..... vadeedensettacvie ite Onttee en 150 
PER DEEE A CUOR. 2 UL ove ces ir Soc ad ee coe eectia datas tog ome 150 
The Existenge of Glaciers in Britain... ..5....2..050.. otesedsnceee one 151 
Var Rocks. As Reva rey To POE se. ii eee acta oc oes 151 
The Lensth of Geological ‘Periods.:::23; 9204812 24823 than Stee ae 151 
The Relative Ages of Rocks......... Bee eneus sy dog gee teen ee coe eeae ie Ae 
he Order ‘of: thé Rock Formations, :;: 120.05...) 5. 4-2 ee 152 
CLASSIFICATION OF THE RocKS—DESCRIPTION OF THE Rock SYSTEMsS...... 153 
ZABLE OF ROCK FORMATIONS. ¥ 5 00)0005 eo ces veh ecko Oonke sok ee lj4 
GEOLOGICAL Mar or THE BRITISH ISLES,. 005.000.0005.) ccc cacseeees va apieeuee eae 175 
CEOLOGY: COMPARED TO’ HISTORY 1 3:.45..2.0.ss0008s00scsanera ee hataoee Ree e eee 

