On Black Expectoration, and the Deposition of Black Matter in the Lungs, Particularly as Occurring in Coal Miners, Etc.

Abstract

THE Society are aware that the peculiar form of morbid animal production now so familiarly known to medical men under the name of melanosis, was first particularly pointed out to the attention of the profession, about the beginning of the present cen- tury, by the pathological anatomists of Paris.The inquiries that have since been instituted with regard to this singular substance-its relation to other ani- mal productions---and the causes of its characteristic colour, have tended to direct the attention of medical men in an especial manner to various black matters- some of a solid and others of a fluid naturewhichi * A drawing of the lungs in this case was made at the time for my father, by Dr. Carswell, and portions of the lungs have beeii preserved in the Museum of the Royal Mledical Society of this place.