Propositiones medicae

VI.
In black jaundice, along with an abundance of melancholic humor, there is also present some intemperance of the spleen, or obstructions.

VII.
When a more serious affection is coupled in either viscus, liver or spleen, or an abundance of both humors is gathered, μελάγχλωρος black-green jaundice arises.

VIII.
The procatarctic preceding or external causes likewise differ according to the variety of the effect. For in yellow jaundice, those are observed which increase the heat of the liver, leading to a more abundant production of bile: such as a constitution of the air tending toward heat, exercises agitating the body beyond the laws of nature, a hotter diet, immoderation of vigils and emotions, and the suppression of biliary evacuations.

IX.
By the excess of all these, the aforementioned diseases can easily be generated in the liver, bladder, and body habit, and matter and opportunity for producing bile can be supplied.

X.
In black jaundice, likewise, those causes are considered which promote a spring of melancholic humor: such as dry and cold air, diet and frequent use of coarse and earthy foods, inhibition of melancholic evacuations, a way of life tending toward sadness, and cessation from exercise. A longer duration of all these is most accustomed to causing the aforementioned diseases of the spleen.

XI.
Thus, in μελαγχλώρῳ black-green jaundice, those causes must be observed which can create mixed humors and sprinkle a blemish on either viscus, especially the liver and spleen. Knowledge of these is consistent with the aforementioned.

XII.