3 i8 SCOTT'S LAST EXPEDITION [Jum 
and afterwards some discussion on an old point — the 
relation to the sea. Why are volcanoes close to sea ? 
Debenham thinks not cause and effect, but two effects 
resulting from same cause. 
Great argument as to whether effect of barometric 
changes on Erebus vapour can be observed. Not much 
was said about the theory of volcanoes, but Debenham 
touched on American theories — the melting out from 
internal magma. 
There was nothing much to catch hold of throughout, 
but discussion of such a subject sorts one's ideas. 
Saturday, June 17.— Northerly wind, temperature 
changeable, dropping to -16. 0 
Wind doubtful in the afternoon. Moon still obscured — 
it is very trying. Feeling dull in spirit to-day, 
Sunday, June 18. — Another blizzard — the weather is 
distressing. It ought to settle down soon, but unfortu- 
nately the moon is passing. 
Held the usual Morning Service. Hymns not quite 
successful to-day. 
To-night Atkinson has taken the usual monthly 
measurement. I don't think there has been much change. 
Monday, June 19. — A pleasant change to find the air 
calm and the sky clear — temperature down to -28 0 . At 
1,30 the moon vanished behind the western mountains, 
after which, in spite of the clear sky, it was very dark on 
the floe. Went out on ski across the bay, then round 
about the cape, and so home, facing a keen northerly 
wind on return. 
Atkinson is making a new fish-trap hole ; from one 
