To the Editor:
—In The Journal, Dec. 17, 1927, p. 2135, the results of treatment of infestation with Lamblia intestinalis are said to be unsatisfactory. I did quite a little work under the late Dr. Simon at Hopkins, in 1920, on this little beast, and worked with it for several years at Wuchang and at Kiukiang, China. I found that cases of diarrhea in which it could not be proved that Lamblia intestinalis was the cause were often relieved by the use of oil of chenopodium. I have treated several hundred cases of diarrhea in which Lamblia intestinalis was the only thing that could be found, and we had good results with oil of chenopodium. But it will not give good results in all cases.I gave a magnesium sulphate purge, one ounce, in the early morning. A light breakfast, but always something to eat, was taken. At 9, 10