CLOUDS AND RIVERS. ICE AXD GLACIERS. 



183 



464. We do nothing rashly ; but, scanning the ledges 

 and selecting a point of attack, we conclude that the 

 danger is not too great to be incurred. We advance 

 to the wall, remove the surface, and are rewarded by 

 the discovery underneath it of the true blue veins. 

 They, moreover, are vertical, while the bedding is hori- 

 zontal. Bruce, as you know, was defeated in many a 

 battle, but he persisted and won at last. Here, upon 

 the Furgge glacier, you also have fought and won 

 your little Bannockburn. 



STRUCTURE AND BEDDING 0>' FURGGE GLACIER. 



465. But let us not use the langmao-e of victory too 

 soon. The stratification theory has been removed out 

 of the field of explanation, but nothing has as yet been 

 offered in its place. 



§ 65. Relation of Structure to Pressure. 



466. This veined structure was first described by the 

 distinguished Swiss naturalist, Guyot, now a resident in 



