Black vomit

A fever, with yellow skin and black vomit in some of the cases, appeared among a party of forty men.

Black vomit is nothing but a hœmorrhage from the stomach, and may exist in any degree, from a few particles of blood mixed, as it were, into a quantity of light glairy fluid, presenting the appearance of floating dark specks or flocculi, to that of a rapid and profuse discharge of pure red blood.

On the third or fourth day, or later, the vomited matters..begin to contain blood..and they soon assume..a coffee-ground character, constituting the so-called black vomit.