INDEX. 



ALLUVIUM, mapping, 23, 27 

 Animal kingdom, re view of, 126 

 Arrangement of collections, 149 



BAROMETER, aneroid, 64 

 Bench-marks, 63 

 Blow-pipe, 98 



Books of reference, 117, 146 

 Boundaries, tracing, 13 



, examples of, 17 



Boundary lines, 13 

 Breaking stones, 91 

 Breccia, 90 

 Brick-earth, 90 



CABINET specimens, 121 

 Casts of fossils, 131 

 Chain, 76 

 Characteristic fossils, 157 



1 H s t of, 159 



, species, 152 



Chemical analysis, 117 



Clay, 89 



Clinometer, 40 



Collecting fossils, method of, 133 



Collections, arrangement of, 149 



Compass, pocket, 7 



, prismatic, 8 



, use of, 8 



Concretions, 118 

 Conglomerate, 90 

 Contour lines, 6, 15 

 maps, 6 



DATUM-LEVEL, 62 

 Denudation, remarks on, 35 

 Determination of rocks, 94 



, table of 



tests for, 100 

 Dip, 38 



, to ascertain, 41 



, to find amount of, 45, 49 



, to find direction of, 42, 49 



Dip, apparent, 42, 84 



, example of, 210 



, to find, 84 



, depth and thickness, table 



of, 50 



Downthrow, 209 

 Drift deposits, 34, 36, 37 

 , mapping, 35 



EFFERVESCENCE, 94 

 Eruptive rocks, 213 



FALSE-BEDDING, 89 

 Fault, mapping, 207 

 Fossils, casts, 131 



, characteristic, 157 



, list of, 159 



, impressions, 131 



, method of collecting, 133 

 , mode of occurrence, 129 



, naming of, 145 



, nature of, 125 



, preservation of, 144 



, replaced, 130 



, unchanged, 130 



Fracture, 93 



GENERALISATION, 214 

 General propositions, 14 

 Geological mapping, 5 



sections, 38 



Geology, filling in to sections, 84 

 Glacial deposits, 34 



, mapping, 35 



Gravel, 36, 90 



, pipes of, 56 

 Grit, 90 



HAMMER, 10 

 Hardness, 94 



, scale of, 95 



Height of cliff, to ascertain, 79 

 Heights above the sea, 62 



