4590. CONCERNING THE HELL FROM WHENCE COMES FEBRILE HEAT. DISEASE. ((There appeared a great quadrangular opening, inclining obliquely downwards; and, there, at a great depth, appeared a round hole, which was then open, but was immediately closed. It was said, that thence exhales the dangerous heat which is collected there from various hells - being derived from such things as induce heats, as, for example, from adulteries, strifes, revenges, cruelties, and many other such things. Hence exhales the heat which infests the body when it falls into a febrile disease; but with much variety.