276 



THE FARM DOCTOR. 



but another form of the fungus of ringworm affected by its 

 conditions of growth, and especially by the weak or unhealthy 

 condition of the host. Treat as for common ringworm. 



Fig. 43 —Hair with spores of Achorion Seh nleini. 

 From the Horse. — Megnin. 



DIFFUSE BALDNESS (XINEA DEC.'M.VANS). PARASITIC PITYRIASIS. 



Two other forms are seen in the horse, one attacking any 

 part of the body, and recognised by the agglutination of five or 

 six hairs together in a white crust, and the other attacking the 

 heads of old horses, and characterised mainly by the scurvy 

 product. Both are exceedingly inveterate, though not attended 

 with excessive itching, and demand the persistent use of tincture 

 of iodine or corrosive sublimate lotions in order to effect a 

 cure. 



pjV-T c- o " " * 





Fig 44 - Micrcsporon Adouinii from Parasitic Pityriasis in the horse. — 



Megnin. 



In all those cases the harness, brushes, combs, and wood- 

 work must be washed with a soluticn of caustic potassa or soda 

 and then wet with iodine ointment or a solution of corrosive 

 sublimate, otherwise all treatment may be fruitless. Horse 

 blankets should be boiled for a length of time. 



