rOEMATION OE ICEBEEGS. 



39 



results, as Tyndall lias shown, from tlie incessant breaking np of tlie 

 rrvstals wHcli compose the mass * . , . a 



mlver pictu/esque beauty there may be in the xce o manne 

 formation constituting this field, it is far -f-or « h.t of h 

 masses which are detached from the glaciers of Greenland, bpitz 

 Wen, and other countries of the North Pole. . Enormous f^g- 

 mefts may he separated from the end of the glacier m two differ- 

 TwayTaccordingto the temperature of the sea -*» whichjey 

 protrude. In Spitzbergen and on the coasts of southern Green 



Hg. 12-- 



-Glacier of La Madeleine, on the coast of Spitzliergen. 



l.nrl the concealed mass, which often projects far into the sea 

 igtiy undermined by the comparatively -rm wave^ wh-h 

 beat a..ainst it, and the remaining fragments over^angmg the water 



* See in Vol. I., tlie chapter entitled, Snoivs and Glaciers. 



