2426. The signification of the senses is twofold; they are anatomical systems which have become nerves, and on that account also elements that have attained unto sensation.
1. Sense of feeling—vascular, tegumentary, nutritive sense, earth-sense.
2. Gustatory sense—intestinal, digestive sense, water-sense.
3. Olfactory sense—pulmonic, respiratory sense, air-sense.
4. Auditory sense—osseo-muscular, motor sense, æther-sense.
Matter-Sense.
5. Visual sense—nervous, tension-sense, light-sense.
2427. The sensorial organs are not simply combinations of the anatomical systems with the nerves, but also with the bones and muscles. These have been entirely taken up into the signification of the animal body.
2428. Each sense has its own nervous, osseous, and muscular system.
2429. The sense of feeling has its bones and muscles in the limbs.