Document 44594BRRKX6bOE5q5xYe76jBp

* . ' ' f Office of Th e Ch em ical Exam in er So Govern m en t MEDICAL COLLEGE Calcutta, - _thenJBliLikx*-/9 3'Q Dear Dr. Kehoe, ' many- thanks for your letter of the 23rd Janusrr with a few rearints. .vhich I acknowledge with grateful thanks. I enclose a reprint of our paper published last month. The last para in page 942 may he of interest to you. In my last letter which unfortunately did not reach you I suggested that the hair of Indians was perhaps responsible for such a wide difference in the. lead-content of their urine and faeces. The. amount of lead in hair varies from 6 to 500 mgn and so I believe that hair serves the purpose of an organ for elimination where it is dumped as an insoluble compound, If my view is correct, the variation in the amount of lead in the excreta may thus be accounted for. I have examined hair of people of different sects, creeds and nationalities and the result will be published in aue indicates tnat vfitnxn tne ratrior wide variations m dietary lead, o#ly small changes occur In the lead excretion and. in the lead content of the tissues. Consequently I