...ceased to be perceived, vivid ideas passed rapidly through the mind. On one occasion he tells us, he gradually began to lose the perception of external...recollection of some former experiments, passed through his mind, so that he called out, " What an amazing concatenation of ideas !" The following experiment...

...himself, with nitrous oxide. " I gradually began to lose the perception of external things, he observes, and a vivid and intense recollection of some former experiments passed through jny mind, so that I called out, what an amazing concatenation of ideas." The indications of increased...

...different from those I had experienced on former experiments. After the first six or seven respirations, I gradually began to lose the perception of external...passed through my mind, so that I called out, What an amazing concatenation of ideas !" A third experiment by the same philosopher was perhaps attended with...

...different from those I had experienced on former experiments. After the first six or seven respirations, I gradually began to lose the perception of external things, and a vivid and intense recollectionof some former experiments passed through my mind, so that I called out, What an amazing...

...oxide, having been thirty-three days without breathing any. After the first six or seven respirations I gradually began to lose the perception of external...passed through my mind, so that I called out "What an amazing concatenation of ideas !" ' On another occasion, after having hern enclosed in an air-tight...

...oxide, having been thirty-three days without breathing any. 1 After the first SX or seven respirations I gradually began ] to lose the perception of external...intense recollection of some former experiments passed i through my mind, so that I called out " What an amazing 1 concatenation of ideas !" ' On another...

...the moment of its accession is generally marked by the patient's reverting to some incident or object not connected with what is present. Sir Humphrey Davy's...kind of tangible extension highly pleasurable. My visible impressions were dazzling and apparently magnified. By degrees, as the pleasurable sensation...

...least. Sir Humphry Davy thus records his spiritual impressions obtained by the help of Nitrous Gas : " I gradually began to lose the perception of external...of some former experiments passed through my mind" — " I existed in a world of newly-connected and newly-modified ideas" — " as I recovered my former...

...rest of the day,".—The feelings were different from those I had experienced in former experiments. After the first six or seven inspirations, I gradually...and a vivid and intense recollection of some former experiment passed through my mind, so that I called out, " What an amazing concentration of ideas!"...

...of the day,21. — The feelings were different from those I had experienced in former experiments. After the first six or seven inspirations, I gradually...and a vivid and intense recollection of some former experiment passed through my mind, so that I called out, " What an amazing concentration of ideas!"...