We notice the human brain is capable of being, and is, acted upon daily by much less subtle influences than mental impressions. We can appreciate light impinged upon our cerebral centres at the rate of millions of undulations, and sound as the result of 20,000 to 30,000 vibrations per second. So sensitives, when in the mesmeric or psychic states, are readily acted upon, and respond as in thought-transference to our thoughts and sensations, and veritably read our minds, because of the _rapport_ or sympathy thus established. Whether they become percipients of the nerve-vibrations which escape from our own sensoriums or not, what does it matter _if they can, as they frequently do_, read our minds? “Professor Wheaton,” says Hudson Tuttle, “devised a means of illustrating sympathy. If a sounding board is placed so as to resound to all instruments of the orchestra, and connected by a metallic rod of considerable length with the sounding board of a harp or piano, the instrument will accurately repeat the notes transmitted. “The nervous system, in its two-fold relation to the physical and spiritual being, is inconceivably more finely organised than the most perfect musical instrument, and is possessed of finer sensitiveness. “It must not be inferred that all minds are equally receptive. Light falls on all substances alike, but is very differently affected by each substance. One class of bodies absorb all but the yellow rays, another all but the blue, another all but the red, because these substances are so organised that they respond only to the waves of the colours reflected.” All persons do not hear alike. They receive certain sounds and are deaf to all others, although the sound-waves strike all tympanums alike. All persons do not see alike. Some perceive colours, others cannot distinguish between one colour and another, or can only see the more striking colours--fineness of shade they do not perceive. So there are individuals who cannot receive mental impressions, unless, indeed, they are conveyed in the baldest and most esoteric manner. In a word to convey and receive impressions they must be sent along the line of the least resistance, that of _true sympathy_. There must be one mind adequate to the projection, and another mind sufficiently sensitive to receive and record the thoughts projected. TRANSFERENCE OF TASTE IN THE MESMERIC STATE.