"Cooly Itch." A purulent folliculitis due to the Trichophyton violaceum variety Indicum

designate a type of pustular folliculitis affecting the lower classes (Indians), viz., coolies, etc., and is seen commonly on the thigh and legs. Unfortunately the use of this term has been extended to any form of purulent dermatitis, including scabies, because few attempts have been made to find the causative organism. Castellani employs the term " cooly itch " in a more restricted sense to an extremely irritative dermatitis that commonly attacks the lower classes, and is rarely seen amongst Europeans. He has not been able to find any causative agent, either fungi or in-