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April 12th,1927. Dr. Frederick B. Flinn, College of Physicians and Surgeons, Columbia University, 437 West 59th St. , N.Y.C. Dear Dr. Flinn: I regret that there was some confusion as to just how you wanted the results from the Dunn case reported,as I was endeavoring to gâve you a more or lese complete pieture on the same basis as I computed that of Dr. Leman, but am now glad to dive you, in accordance with your request, the determinations as made upon the samples you submitted to me. I will first give you the actual weights of the semples which were received: Bone 3.88 Trame Kidney 1.83 # Lungs 1.64 II Liver 8.04 Il Spleen 1.86 II The equivalent Uranium Oxide content of the various specimens is as follows: Bone 698 rams Kidney 0051 a Lungs 0028 n Liver .0128 a Spleen .0018 a The radium determinations as made by the Emanation Method are as follows: Bone 2.37 x 10-8 Kidney 3.02 x 10-9 Lun/s 3.69 x 10-9 Liver 1.28 x 10-8 Spleen 1.17 x 10-8 These values are all expressed in terms of grams of radium element. From the fact that one gram of Uranium Oxide emits 8.1 x 104 alpha particles per second, and that one gram of radium element in equilibrium