AUCTION. 



\ v Clou.!?, Hair,s. and Rivers S t 



:{. Too Waves of Li?.ht SO 



i. The Wavej cf He it which produce the 

 VapLi- of our Atmosphere and ineit 



our Glaciers 80 



5. Experiments to prove the foregoing 



statements 88 



6 Oceanic 1 UstiUation tf9 



7. Tropical Rains 90 



8. Mountain Condensers 91 



9. Architecture of Snow 92 



10. Atomic Poles , 92 



1 1. Architecture of Lake Ice 94 



li'i. The Source of the Arveiron. Ice Pin- 

 nacles, Towers, and Chasms of the 

 Glacier des Bois. Passage to the 

 Montanvert 91 



13. The Mer de Glace and its Sources. 



Our First Climb to the Cleft Station.. . 93 



1 1. Ice-cascade and Snows of the Col du 



Geant 90 



15. Questioning tue Glaciers 97 



1(3. Branches and Medial Moraines of the 

 Mer de Glace from, the Cleft Station. . . 7 



1". The Talefre and the Jardin. Work 

 among the Crevasses 98 



1.1 First Questions regarding Glacier Mo- 

 tion. Drifting of Bodies Buried in 

 Crevassa 93 



19. Tho Motion of Glaciers. Measurements 

 by Hugi and AgaseLf. Drifting of 

 Huts on the Ico 100 



i.0. Precise Measurements of Agassiz and 

 Forbes. Motion of a Glacier proved 

 to resemble the Motion of a River 100 



1\. The Theodolite and its Use. Our own 



Measurements 101 



22. Motion of the Mer de Glace 101 



23. Unequal Motiou of the- two feides of 

 the Mer de Glace .103 



24. Suggestion of a new Likene-ss of Gla- 

 cier Motiou to Biver Motion. Con- 

 jecture tested ... 104 



25. New Law of Glacier Motion 106 



26. Motion of Ax>a of Mer de Glace 106 



27. Motion of Tributary Q-laxjiens IQn 



2*. Motion ot Top r.nd Bottom of Glacier. .1^5 

 29. Lateral Compression of a Gi-iccer 106 



SECTJ.ON. TAGS. 



u'). Longitudinal Compression, of a Glacier IOC 

 ol. Sliding and Flowing. Hard Ice and 



Soft l^e 107 



3>. Winter ou the Mer d 3 Glace 107 



33. Winter Motion of the Mer do Glace . . . . 108 

 84. Motion of th3 Grindelwaid and Aletsch 



Glacier Kh 



35. Motion of Morteratsch Glacier 109 



36. Birth of a Crevasse: .Reflections lv>9 



37. Icicles 110 



38. The Bergscnrund 110 



;-9. TransvfcToO Crevasses Ill 



40. Marginal Crevasses Ill 



41. Longitudinal Crevasses 112 



42. Crevasses in relation, to Curvature of 

 Glacier 112 



43. Mor nine-ridge>, Glacier Tablc-s, and 

 Sand Conej . , 113 



4 4 The Glacier Mills or Moulins 114 



4') Tne Changes of Volume of Water l.y 



Heat and Cold 115 



43. Consequences flowing from the fore- 

 gning f roperties of Water. Correction 



of Errors " 116 



47- The Molecular Mechanism of Water- 

 Congelation 11 f> 



4S. The Dirt Bands of the Mer de Glace. . .117 



al) Sea-ice and Icebergs 119 



50. The JEggischhorn, the MurgelLa See 



and its icebergs , 119 



01. The Bel Alp 121 



r>2. The Kitfelherg and Gorner Glacier.. .. 121 



;~>3. Ancient Glaciers of Switzerland 122 



54. Erratic Block* 123 



f>5. Ancient Glaciers of Engkmd, Ireland, 



Scotland, acd Wales 123 



56. The Glacier Epoch 1 24 



57. Glacial Theories 125 



58. Dilation and Sliding Theories 125 



59. Plastic Theory 12 " 



00. Viscous Theory 1 -(> 



61. Regelation Theory 127 



02. Cause of Ke^eiatkm 12* 



63. Faraday's View of Regelation ... 129 



64. The Uluc Veins of Glaciers ISO 



05 Relation of Mructur^ io Pressure 132 



0<5. Slate Cleavage and Glacier Lamination 133 

 07. Conclusion ,, ....13 



ivi300S91 



