PuatTe 21.—(X100, H&E) Epidermis: Extensive transepidermal damage (with slightly less involved zones on Puiate 22.—(X100, H&E) Epidermis: Arcades of minimal damage occur in relation to excretory ducts of sweat glands. Stratum granulosum of good width and shows séant alteration. Underlying stratum malpighti shows decrease in pigment. In the deeper portion of the overlying, loosely laminated stratum corneum moderate Perivascular cellular infiltrate (lymphocytes and mono- arcade of more severe transepidermal damageat the left of the photomicrograph showsalteration of the stratum granulosum with intercellular edema, pyknosis, swollen nuclei, and pigment scattered throughout. The latter ts especially dense in the contiguous parakeratotic material. Dermis: A moderate cellular infiltrate, either side). Loose lamination of stratum corneum, absence of stratum granulosum. Parakeratinization with exfoliation of pigment containing cells. Dtsorganization of the malpighian layer. Dermis: Mild edema of pars papillaris with indistinct capillary loops. nuclear phagocytes), in superficial corium with telangiectasis. Case 26. amounts of pigment, however, are present. One narrow chiefly perivascular, is most pronounced in the super- ficial pars reticularis where there is a mild telangiectasis. Case 26. saguiis3