OF THE HUMAN SKIN, 



37 



CHAPTER III. 



Our 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. 4:. iTCH-iCiTE. — Male. 



in the skin of man it produces the disease known 

 as itch. To understand how to treat this trouble- 

 some afiection intelligibly, we must first study the 

 natural history of the animal, its habits and hab- 



I 



