In a recent issue ofThe JournalI1reported on the use of carbon tetrachlorid in the treatment of 20,000 cases of hookworm disease in Fiji. My observations were based on experiments conducted up to June 1, 1922. By the end of October, 1922, we had treated an additional 30,000 cases, making 50,000 in all. The picture presented by the earlier article, while true in the light of experience up to the time of writing, may give the unwarranted impression that carbon tetrachlorid is entirely harmless. I desire, therefore, to submit here the results of our further experience in Fiji with this drug. We continued the exclusive use of carbon tetrachlorid in the treatment of intestinal parasites with good results till we had treated 42,000 cases. The dosage used was 0.2 c.c. (3 minims) of the drug for each year of age up to 15 years. Adults were given