162 VETERINARY MEDICINE AND SURGERY. 



the itch mites have been killed, and in most cases the hair will grow- 

 again. 



Brush of dry all the loose incrustations and scurf, and wash thor- 

 oughly with soap and warm water in which a little bicarbonate of sodium 

 has been dissolved. Dry, and apply tliorougJily any one of the following, 

 viz.: 



Oil of turpentine , § i. 



Soft soap § iij. 



Or, 



Ammoniated mercury | i. 



Fresh lard |iij. 



Or, 



Flowers of sulphur §ij. 



Ointment of carbolic acid § vij. 



PRURIGO. 



Synonyms. — Pruritus; Surfeit. 



Definition. — A disordered condition of the skin characterized by in- 

 tense itching. 



Etiology. — It is usually ascribed to over-feeding with highly nutri- 

 tious food and too little work. 



Fig. 76. 

 Sign of Prurigo. 



Symptoms. — Patches of pimples on those parts of the body covered 

 by harness, especially under the collar, which itch intolerably and cause 

 the horse to scratch and bite the affected parts. Fig. 76 is a common 

 symptom of the disorder. 



Treatment. — Feed more moderately and give steady work. Mix and 

 apply to the affected parts: 



