THE WINTER NIGHT 



401 



away beyond the bear-trap. The thickness of the soHd 

 floe was i\\ feet (345 metres), but, besides this, other 

 ice was packed on to it below. Where it was broken 

 across, the floe showed a marked stratified formation, 

 recalHng the stratification of a glacier. Even the darker 

 and dirtier strata were there, the color in this case pro- 

 duced by the brownish -red organisms that inhabit the 



DIAGRAMS OF ICE WITH LAYERS 



water, specimens of which I found at an earlier date. 

 In several places the strata were bent and broken, ex- 

 actly in the same manner as the geological strata form- 

 ing the earth's crust. This was evidently the result of 

 the horizontal pressure in the ice at the time of pack- 

 ing. It was especially noticeable at one place, near a 

 huge mound formed during the last pressure. Here 



