BY FRANK C. WHITMORE AND FRANKLIN JOHNSTON drogen chloride below 20'for ten weeks. The phosphorus trichloride gave only a phosphite. The other methods gave t-amyl chloride with only traces of material which might contain the secondary chloride. The low temp, erature treatment with hydrogen chloride repeatedly gave yields of over 90% of t-amyl chloride. This method was adopted as standard procedure with the other alcohols studied. ...