840

Miscellaneous physiological observations.

There are four Powers: memory and intellect, desire and covetousness. The two first are mental and the others sensual. The three senses: sight, hearing and smell cannot well be prevented; touch and taste not at all. Smell is connected with taste in dogs and other gluttonous animals.

Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.

Notebooks of Leonoardo da Vinci

XIV: Anatomy, Zoology and Physiology.

. . .

820,

muscles.

822,

823,

824,

825,

Comparative study of the organs of sense in men and animals.

Advantages in the structure of the eye in certain animals.

828,

829,

830,

Remarks on the organs of speech.

832,

On the conditions of sight.

834,

The seat of the common sense.

On the origin of the soul.

On the relations of the soul to the organs of sense.

On involuntary muscular action.

Miscellaneous physiological observations.

840,

841,

The laws of nutrition and the support of life.

843,

844,

845,

846,

On the circulation of the blood.

848,

849,

Some notes on medicine.

851,

852,

853,

854,

855,

The earth’s place in the universe.

857,

The fundamental laws of the solar system.

859,

. . .