ON PSORIASIS IX HORSES. KNOWN IN (.HEENS- 

 LANli AS MANGE. 



By THOS. L. BANCROFT, M.B., Edin. 



]^Hea(l hefoic the Roi/dl Soriitu of (Jui'in.shnul, AwjiiM 7th, 1S91.] 



The importance of the subject is so apparent that no apology 

 need be offered in bringing it under notice of the Society. 



A great deal has from time to time been written in the 

 colonies about horse mange, most of which, however, can only be 

 characterised as absurd. 



Investigations into its pathology have been made in 

 Queensland^'', New South Walesi, and in India:!, unfortunately 

 in each case by men lacking the necessary ability. Their 

 conclusions are not only erroneous but in some particulars very 

 misleading. I have studied the disease since 1884, a time, 

 according to some writers, prior to its introduction into Queens- 

 land. For a long while I was under the impression that the 

 disease in dogs here called "mange," (giggle giggle) ; particularly 



* Preliminary report of the board appointed to make full inquiry into 

 the origin and nature of a prevalent disease affecting stock, commonly 

 known as "mange." — Queensland, 1888. 



f Keport on a contagious animal skin disease, by Edward Stanley, 

 F.R.C.V.S., Government Veterinarian for New South Wales. 



I An investigation into the nature of the common Indian skin disease, 

 by A. J. Haslam, M.R C.V.S., Army Veterinary Department, Karachi, India. 

 — Veterinary Journal, March, 188!t. 



II Giggle giggle is the name given by the blacks to the dog mange. 



