1911 Encyclopædia Britannica, Volume 21… (1911)
“ The pigmentation seems to radiate from the orifices of hair-follicles. The epidermis is in a scaly condition over the patch, and among the débris of the epidermic cell there may be seen minute oval spores due to a vegetable parasite the Microsporon furfur. The disease is mostly one of adult age, found all over the world, and not associated in any special way with poor general health. ”
