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Mr. Turrell has programmed a quick strobic blast every nine minutes “as a palate cleanser for your eyes.”

To scour these lanes of strobic gloom— Infernal doom by mongrels' wrought!

When carcants gleam like scarlet foam, And hiss of pyres froth at each light In dongas vext as jazels flare From splinter'd tombs of Kings in dust, A straggling mist that cleft Hell's dome, Peers at the gloom and strobic sight Of charnel shard as vypers blare Wrathfully at each Monarch's bust.

Such an interpretation is all the more to be expected, since, as the strobic phenomena show, even discontinuous retinal processes tend to be interpreted as continuously existing objects.

On the other hand, if there were a central anæsthesia during eye-movement, the continuous process in the retina could not produce a continuous sensation, and if the interval were long enough the image might well be referred to two objects; since also, in the strobic appearances, the stimulations must succeed at a certain minimal rate in order to produce the illusion of continuous existence and movement.