3. Where, besides being felt, there are peculiar sensations of taste, expressive of the properties of bodies, as salt, sugar, tartaric acid, &c.
4. Where, besides being felt and tasted, there is an odour characteristic of the substance, and essential to the full development of its flavours, as in cloves, lemon-peel, caraway-seed, and aromatic substances generally.
Because there are distributed to various parts of the body fine nervous filaments, which have for their special duty the transmission to the brain of impressions made upon them by contact with substances.
"The works of the Lord are great, sought out of all them that have pleasure therein."—Psalm cxi.
1005. In what parts of the body does the sense of touch more especially reside?
In the points of the fingers and in the tongue. By laying a piece of paper upon a table, and upon the paper a piece of cloth, on the piece of cloth a bit of silk, and on the bit of silk a piece of leather, so that the edge of each would be exposed to the extent of half-an-inch, it would be possible by the touch to tell when the finger passed successively over the leather, silk, cloth, or paper, and arrived on the table.