left by those single impulses of taste; though here the memory of them certainly has not been preserved by repetition. It is clear I must have seen as well as tasted those things; and I am decided that I remember the tastes with more precision than I do the visual sensations.
“I remember having once, and only once, eat Kangaroo in New Holland; and having once smelled a baker’s shop having a peculiar odour in the city of Bassorah. Now both these gross ideas remain with me quite as vivid as any visual ideas of those places; and this could not be from repetition, but really from interest in the sensation.
“Twenty-eight years ago, in the island of Jamaica, I partook (perhaps twice) of a certain fruit, of the taste of which I have now a very fresh idea; and I could add other instances of that period.
“I have had repeated proofs of having lost retention of visual objects, at various distances of time, though they had once been familiar. I have not, during thirty years, forgot the delicate, and in itself most trifling sensation that the palm of my hand used to convey, when I was a boy, trying the different effects of what boys call light and heavy tops; but I cannot remember within several shades of the brown
