Note 29 — Chapter IV

The illusory character of this simple mode of perception is seen best, perhaps, in the curious habit into which we fall of referring a sensation of contact or discomfort to the edge of the teeth, the hair, and the other insentient structures, and even to anything customarily attached to the sentient surface, as dress, a pen, graving tool, etc. On these curious illusions, see Lotze, Mikrokosmus, third edit., vol. ii. p. 202, etc.; Taine, De l'Intelligence, tom. ii. p. 83, et seq.