CHAP. IV.] INVALIDS. 197 



near the shore had opened out a little, and that some 

 holes of water, besides one extensive lane, were 

 clearly visible from the hills, for which informa- 

 tion I was quite prepared, not only by the hint 

 of grinding ice to seaward, but also by the near 

 approach of the full moon. It would have been 

 satisfactory to ascertain the true rise and fall of 

 the tide at the full and change respectively, but 

 this the under layers of ice effectually prevented, 

 though by a rough estimate of the depression of 

 the ice on the sides of the rocks, without, how- 

 ever, knowing the thickness of that ice, or 

 whether it touched the bottom, a difference of 

 between seven and ten feet was repeatedly re- 

 marked. In one instance, indeed, Mr. Fisher's 

 party were obliged to return by a different route 

 from that taken in the morning, in consequence 

 of the ice adjoining the land having sunk to 

 a level too deep for a jump. 



Our new funnel was put up and the deck 

 somewhat improved, but still close. The tem- 

 perature was 73° + , the dew point 65°, and the 

 degree of saturation, as shown by the hygro- 

 meter, 7§6. 



The invalids did not recover as I could have 

 wished, nor did the two worst evince any decided 

 or even encouraging change for the better. One 

 man, who had been afflicted for upwards of a 

 month with the prevalent complaint of a dis- 



o 3 



