OP THE HUMAN SKIN. 



37 



CHAPTEE III. 



Otjk chapter is headed by a magnified drawing 

 of the little animal we are to describe. It is 

 about one-sixtieth to one-seventieth of an inch in 

 length, just visible to the naked eye. By living 



Fig.i. iTOB-MiTE.— Male. 



in the skin of man it produces the disease known 

 as itch. To understand how to treat this trouble- 

 sdme aflfection intelligibly, we must first study the 

 natural histoiy of the animal, its habits and hab- 



