1876, The Poultry World, Hartford, Connecticut: H.H. Stoddard, Volume V, No. 5, May, 1876, p. 129, The “scales” are occasioned by myriads of small insects, invisible to the naked eye, but clearly made out by the use of the microscope. They huddle in scales, or whitish-gray blotches, at first, upon the shanks of the fowl; and if not removed or destroyed early, will increase very rapidly until they form in wartish lumps like the caruncle on the neck of the turkey cock in appearance […]
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