ANIMAL PARASITES 



OF THE HUMAN SKIN. 



CHAPTEE I. 



Man's cutaiieous envelope, like the integument 

 of the lower animals, is subject to be temporarily 

 visited by parasites, or perhaps become a perma- 

 nent abode for them. However unpleasant this 

 idea may seem, only too many of the human family 

 in the most civilized countries are annqypd or ren- 

 dered miserable by the presence of the animal para- 

 sites . Anapng^t fhe poor and dirty, the uiifortunate 

 children suffer a great deal from them, and we have 

 seen serious trouble arise from their ravages. But 

 all classes of the community are liable to be infested 

 by them,-r-the wealthiest and the cleanest. Among 

 the lower classes, prejudice, ignorance, and even 

 superstition, help to fa,vor the production and con- 

 tinued existence pf tl^ese parasites ; and in the upper 



(7^ 



