The presence of those clots in the cases of hospital gangrene, while they were absent in the cases in which there was no inflammatory symptoms, sustains the conclusion that hospital gangrene is a species of inflammation, imperfect and irregular though it may be in its progress, in which the fibrous element and coagulation of the blood are increased, even in those who are suffering from such a condition of the blood, and from such diseases as are naturally accompanied with a decrease in the fibrous constituent.
4th.

The fact that hospital Gangrene appeared in the Stockade first, and originated spontaneously without any previous contagion, and occurred sporadically all over the Stockade and prison hospital, was proof positive that this disease will arise whenever the conditions of crowding, filth, foul air, and bad diet are present.

The exhalations from the hospital and Stockade appeared to exert their effects to a considerable distance outside of these localities.

The origin of hospital gangrene among these prisoners appeared clearly to depend in great measure upon the state of the general system induced by diet, and various external noxious influences.

The rapidity of the appearance and action of the gangrene depended upon the powers and state of the constitution, as well as upon the intensity of the poison in the atmosphere, or upon the direct application of poisonous matter to the wounded surface.