The conclusions following in this paper are from an experience with amebic dysentery in the Department of Sanitation of the Canal Zone in Panama, covering the period from 1904 to 1913 inclusive. During that time various therapeutic measures were tried: First, the treatment with quinin irrigations, a measure carried over from the Philippine service; later, treatment by large doses of bismuth subnitrate, a measure instituted by Dr. W. E. Deeks, and finally, the use of ipecac after its reintroduction by Rogers in India and Dock in this country, to which I subsequently added bismuth as. a correlative treatment for thepurpose of hastening the process of healing the ulcerations present in the intestine, left only partly healed after ipecac had served the purpose of eradicating the amebas.
Deeks1 has also pointed out the advisability of using bismuth as an after treatment following ipecac or emetin, but so far I have