III. In the third chapter the human constitution is illustrated by a simile taken from the Indian fig-tree; thus, there are to be considered three roots or trunks, nine stems, forty-seven branches, 224 leaves, two blossoms, and three fruits. The seven fundamental supports of the body are described as those on which life depends, namely: the chyle, the blood, the flesh, the fat, bone, the marrow, and the semen. The excretions are three: fæces, urine, and sweat. The principal causes of disease are these three: lust, anger, and ignorance. The accessory causes are four: a. the seasons, hot or cold; b. evil spirits; c. abuse of food; d. indiscreet or bad conduct. The parts of the body capable of being affected by disease are said to be six: the skin, the flesh, the veins, the bones, the internal viscera, and the alimentary canal. There are three humours: the phlegm, the bile, and the wind. The fourth chapter treats of symptoms of diseases. Examination of the tongue and urine. Feeling of the pulse. Inquiry into the origin of the disease, and its progress; what food has agreed or disagreed? what pain is felt? The physician’s twenty-nine questions, which are to be put to the patient, regarding food, exercise, previous history of the disease, &c., are here detailed. The fifth chapter enumerates the means of curing diseases, and these are to be considered— a. With respect to food. b. The patient’s mode of life, such as exercise, &c. c. The therapeutics adapted to the three offending humours, viz., the phlegm, the bile, and the wind, which are fully discussed. The varieties of medicines are such as assuage pain, or purge the bowels, or cause vomiting. Then there are remedies for flatulence, for anointing the body, embrocations, &c. Against bile, phlebotomy and bathing in cold water; against phlegm, warm applications are prescribed. The sixth chapter contains recapitulation of subjects contained in the last three chapters. Carrying on the metaphor of the Indian fig-tree, the two blossoms are, health and longevity; the three fruits, good morals, wealth, and happiness. B. In the Second Part four things are considered as to treatment of maladies, namely:— 1. What is to be treated? 2. What are the proper remedies? 3. In what manner the remedies are to be applied? 4. By whom are they to be applied? The means of curing disease are enumerated thus: diet, exercise, medicine, and surgical operations. A chapter on the conception and the growth of the embryo is added, one chapter on bones, and another on nerves. Then the humours are fully considered. And the last chapter describes the requisite qualities of a physician, namely, that he should be well acquainted with the theory and practice of medicine, and be an unselfish, an upright, and a good-hearted man. C. The Third Part treats on separate diseases, and the following points are considered under each head:—