TOPOGRAPHY OF THE FLOE, MAY 31. 
A. Advance. B B. Shorter diameter, 3J miles. 
R. Rescue. C C. Longer diameter, railo;:. 
Distance between the vessels, 500 yards. 
CHAPTER XLIII. 
'•'■June 1. June opens on us warm. Our mean tem- 
perature to-day lias been above the freezing point, 34° ; 
our lowest only 29° ; and at 11 this morning it rose 
to 40°. The snow-birds increase in numbers and in 
confidence. It is delightful to hear their sweet jar- 
gon. They alight on the decks, and come unhesitat- 
ingly to our very feet. These dear little Fringillides 
have evidently never visited Christian lands. 
June 3. The day misty and obscure: no land in 
sight from aloft ; and no change apparent in the floe. 
But we notice a distinct undulation in the ice trench- 
es alongside, caused probably by some propagated 
swell. 
" I walked out at night between 9 and 11 o'clock in 
