THE ORGANS OF SPECIAL SENSE. 



235 



tion of litter periodically, alterative tonics after a cathartic 

 dose, careful cleaning and thorough dressing of the skin 

 with a suitable acaricide application, and the adoption of 

 measures to prevent contagion are the methods to be 

 resorted to in treatment of true mange. 



Follicular Mange is less contagious, less amenable to 

 treatment, and less irritable than the sarcoptic form. It 

 originates in patches especially about the head and over 

 Fia. 70. Fig. 71. 



Pros. 70, 71. — Parasites in skin follicles of dog, Follicular Scabies (Williams). 

 (After Gbuby.) 



the cheeks and lips, but invades the whole body, especially 

 the legs, belly, and sides, rendering the patient a loath- 

 some object. There is more suppuration in this disorder 

 than in true mange ; the sebaceous glands and hair-follicles 

 are the habitat of the parasite, and the latter is charac- 

 terised by a large abdomen, very short legs, and great 

 powers of proliferation. It resembles the familiar Bemodex 

 folliculornm of the skin of man, and possibly the two are 



