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After beauty—mischief, a certain lady rose before his imagination, which he related thus—
"The Beauty of that lady was my mischief."
After fire—life, a fireplace rose before his imagination, which he related thus—
"Fire is upon a certain fireplace; round it is Life."
After chalk—mathematics, a slate rose before his imagination, which he related thus—
"Chalk traces upon that slate the symbols of Mathematics,"
and so on to the number of 30. In 29 of them he had a common phantom springing up, or in other words he had a phantom owing its birth to the combined power of both the given notions; and this common phantom was all-sufficient to make out of all the three notions one old notion, of which one extremity being given, the other rises immediately. In one case he failed, viz. in that of India-rubber—small pox. After them, death from small-pox rose before his imagination, but death had for him nothing to do with India-rubber, and therefore did not serve the purpose of agglutinating the two given notions together.
What my pupil did, is what philosophers call the association of ideas; they say that in order to
