MOULDS 



187 



usually of the mouth, in unclean or illy nourished 

 children. It may be found in the vagina. It has been 

 known to spread throughout the body. 



FIG. 56 







Oidium albicans: g, conidia; e, pus cells. (From Plaut in Kolle and 

 Wassermann.) 



Pityriasis Versicolor. This is a disease chiefly of 

 unclean persons produced by the development of 

 Microsporon furfur in the superficial layers of the 

 epithelium. It may appear anywhere on the body, 

 but chiefly affects the short-haired skin. It is very 

 slightly contagious. 



Diagnosis. The diagnosis of these conditions depends 

 upon finding the particular fungus. Some of the pus 



