r exp 
Dnlight, the air still and crisp, and the thermometer 
io°. Perfect conditions for a winter walk, 
lu the evening I read a paper on 4 The Ice Barrier and 
ind Ice.' I have strung together a good many new 
nts and the interest taken in the discussion was very 
uine — so keen, in fact, that we did not break up till 
e on midnight. I am keeping this paper, which makes 
ery good basis for all future work on these subjects. 
Shuli 
■ 
sketched the above fig .. for Nelson, and found on going 
to the hole that the drift accorded with my sketch. The 
