VI. EXPLANATION OF THE PLATES 



(All Photographs and Diagrams by /lie Author) 



PLATE I 



Figure 1 . — A winter moonlight view of Green Lake from near High Peak, looking West ; 

 the Lake nestling below the figures ; the frozen sea in the distance extending to the 

 horizon. 



Figure 2. — Showing a pebbly slope near Green Lake. In the lee of the pebbles white 

 accumulations of saline matter resembling snow are visible. 



PLATE II 



Figure 1. — Coralloidal ice, Clear Lake. A photograph looking down upon it from 



three feet above. 

 Figure 2. — The same showing a centric development. 

 Figure 3. — Vertical bubbles in the ice of Blue Lake ; ten feet below the surface. 



(Enlarged.) 

 Figure 4. — Photograph of ice from 100 feet below the surface of a glacier near Cape 



Barne illustrating the bubbles. (About natural size. ) 



PLATE III 



Stratified bubbly ice from the surface zone of Coast Lake. The top of the block was 

 the actual surface. The white triangular patch on one side is "scar tissue," 

 which formed in a crack from vapour from below. In this way the crack was 

 eventually closed up. (Reduced in size. ) 



PLATE IV 



Figure 1. — Stalactites draping a cave in a tilted " snow-berg " near Cape Barne. 

 Figure 2. — Stalactites which have assumed grotesque forms owing to snow additions, 

 in a cavern under the ice-foot at Cape Royds. 



PLATE V 



Figure 1. — Fern-like skeleton crystals adhering to a piece of string in the pony stables. 



The "" fronds " were up to two inches in length. 

 Figure 2. — Ice-flowers on the newly frozen sea, Back-Door Bay. The bunches were 



about two inches in diameter. 



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