Plate 25. (53 days post-exposure). (X100, H&E) (Case * 75) Plate 26. Loose lami- nation of stratum corneum with out— ward papillary projections and re- sultant “rugose’’ appearance. Stratum granulosum of good width. Basal and malpighian layers distinct with pigment present. Shight edema of corium with mild telangiectasis and slight increase in perivascular lymphocytes and pericytes. Smal] somewhat atrophic fair follicle adjacent to sebaceous gland —in mid pars reticularis. (53 days post-exposure). (X400, H&E) (Case #75) Same as 25. Occasional perinuclear cytoplasmic halos in mid stratum granulosum. Loosely laminated stratum corneum. (Pigment laden chromatophores in superficial corium along with oc- casional lymphocytes and mononuclear phagocytes. )} Plate 9% er, (46 days post-exposure). (X100, H&E) (Case *39) Narrow rugose epidermis with papillary extensions downward of stratum mal- prenis. Latter are heavily aden with melanotic prement. Slight telangiectasis of pars papillaris and pars reticularis of dermis. (xcasional pigment laden chromatophores Ln super ficial dermis. 449