Sentence:  ... 'Tis true, when once a "Schirrus" is formed in a glandular Part, no one can tell how it may terminate; becauſe various changes may ariſe from various Cauſes in the Conſtitution of the Perſon; and if the Juices ſhould degenerate into a highly acrid, or what the Ancients termed an <WSD>atrabiliary</WSD> State, the "Schirrus" will be ("cæteris paribus") more liable to become a "Cancer". 
Meaning of the word marked with <WSD> tags:  Of or relating to black bile.