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to every round there is one obscuration we are told. There is another difficulty here because some fifth rounders being here already it is not clear when the obscuration comes on. Will it be behind the avant couriers of the fifth round, who will not count as commencing the fifth, that epoch only really beginning after the existing race has totally decayed out — but this idea will not work. (5)

Having got so far in my reflections yesterday, I went up to Hume to see