LIST OF ILLUSTRATIONS. 
oi contorted mica schist. (After 
(After 
Heim) 
which 
(After 
Fig. 
i 5 ■ Hand specimen 
Geikie) . 
1 6. Section of rothidolomite. (After Heim) 
17. Piece of stretched verrucano 
18. Stretched and broken belemnites, half size. 
Heim) 
19. A fragment of nummulitic limestone. (After 
20. Section of compressed argillaceous rock in 
cleavage structure has been developed. 
Geikie) 
21. Section of a similar rock which has not undergone 
this modification. (After Geikie) 
22. Carboniferous trough on the Biferten Grat (T6di).' 
(After Rothpletz) ...... 
Pioiile through the gneiss masses between the Rhone 
at Viesch and the Avcrserthal. (After Schmidt) 
Section from the Spitzen across the Ruchen to the 
Maderanerthal. (After Heim) 
Section across the Mont Blanc range. (After Favre) 
26. Section across the Alps. (After Heim) 
27. Diagram showing motion of a glacier. (After Tvndalli 
28. Section of icefall and glacier below it, showing origin 
of veined structure. (After Tyndall) 
29. Diagram showing the flow of glacier ice. (After 
Tyndall) 
30. Sketch map of the Mer de Glace. (After Tyndall) 
31* View of the Grimsel ..... 
32. Scratched boulder 
33 - Diagram showing moraine and fluvio-glacial strata 
(Fiom Le Syst . Glaciairc des Alps) 
34 - Figure representing river terraces and glacial deposits 
in the valley of the Aar a short distance above 
Coblenz. (From Le Syst, Glaciciire des Alps) 
23 - 
24. 
2 5 - 
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1 16 
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118 
131 
132 
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'35 
