PURPURA HyEMORRHAGICA 
599 
expectant form of treatment in the last or doubtful case were 
not the animal a valuable one, and, fearing’that by the time I 
would have been enabled to make a positive diagnosis the in¬ 
roads made by the disease would be so severe that the animal 
would be beyond all human aid and succumb. His symptoms 
and condition I will describe later on. In describing the treat¬ 
ment and the results, the writer does not attempt to enter into 
the pathology of the disease, nor into the physiological and 
therapeutical actions and effects of the agents used. He simply 
presents the cases and the clinical results of the agents employed 
as they appeared to him, as clearly and as concisely as possible. 
Four of these cases had the poorest of hygienic surroundings; 
four had some previous disease ; one had a recurrence of the 
oedema, but to no alarming degree. Five cases are living ; one 
I lost track of; he was sold to a dealer; one dropped dead four 
months after he was discharged; I heard of the fact too late to 
determine the cause of death ; his carcass had already been 
carted to the offal dock and disposed of. 
The treatment consists of intratracheal injections of iodine 
crystals and iodide of potassium and one-half ounce of distilled 
water, sufficient to dissolve the two chemical compounds. The 
proportions are: 
Iodine cryst., grs. x. 
Kalii iodi, 3ij. 
Aqu8e dist., Iss. 
M. et fiat injectio. Sig. One dose for intratracheal use. 
I inject this quantity morning and night for three days. Then 
once a day, gradually decreasing amount of dose till oedema sub¬ 
sides and the petechial spots in the nostrils disappear, the con¬ 
tinued use depending upon the severity of the attack and the 
condition the individual presents, to the veterinarian. I also 
employ strychnine to be given by the mouth in the foim of 
solution, such as 
^ Strychnise sulph., grs. ij. 
Aquae dist., Hj. 
M. Sig. 3 ij on tongue every three or four hours. 
The frequency of the dose depends on the condition of the ani- 
