For many years ethyl chlorid has been known as a local anesthetic, and to some few as having properties of a general one through inhalation. Its use has never been very general, however, and information concerning it has been very meager until recently. Almost all physicians have used the drug as a local anesthetic, some more and some less extensively. In this manner, it has never compared with cocain, and can never supersede that drug. I do not propose to go into the literature of kelene anesthesia, but during the discussion of general anesthesia, it might be well to make public some experiments I have been making for the past three months with ethyl chlorid as an adjuvant to ether anesthesia.
After reading the report of Army Surgeon Weisner, in November last, I determined to give kelene a trial as a general anesthetic. Accordingly, having obtained a graduated tube, with