Mim oteee 8 seme armenia bs Aertel FIGURE 4b.—Same case six months later. Damage healed with normal pigmentation except for small spots marking the areas of more severe damage. skin). A similar result from X-rays would require less radiation dose. At somewhat higher doses from beta particles emitted by fallout debris epilation (loss of hair) may occur. At still higher doses more serious skin damage may be ex- pected with such symptoms as ulceration. The Data Skin damage from beta burns wasfirst observed on some cattle grazing near the Alamogordo, New Mexico Test Site following the first nuclear detonation on July 16, 1945. Enpila- Dana 2 enn pf2 hpi emit tion was observed in patches where the fallout debris had supposedly remained in place. The hair grew back, white in color, and no other adverse effects have been observed in the cattle or their offspring. Other “beta burns” have been observed on a few cattle in 1952, on horses in 1953, and one horse in 1955 in Nevada. All of these, as well as the Alamogordo cattle were grazing within 9