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DIFFERENTIATION OF GASTRULAS AND FEATHER GERMS
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Fig. 8—Results of the reassociation of normal dermis with irradiated {51,000 R)
epidermis. Magnification, 180%,
Fig. 9—Results of the reassoctation of irradiated (1000 R) dermis with normal
epidermis. No feather germs. Magnification, 180%.