326 DISEASES OF THE HORSE’S FOOT 
Treatment.—This is exactly that as described for canker. 
Recorded Case.—The subject of this case was a young 
black cart gelding. The disease is reported as having begun 
as thrush, and then extended to the coronet. When I saw 
him he had been in a similar condition to that depicted in 
Fig. 187 for, it was said, two or three months, the driver 
of the horse meanwhile endeavouring to effect a cure by 
some potent drug of his own. The animal was in good 
condition, but walked with difficulty owing to the pain. The 
coronary bands were swollen to two or three times their 
Fig. 137.—SpeciFic CoRONITIS OF ALL Four FEEtT. 
natural size, and this caused the hair immediately above to 
curl upwards. Just below the coronary bands there was 
a line of separation between them and the wall. They 
themselves were covered with the cheesy substance typical 
of canker, and they bled on friction. Down the wall of the 
off fore-foot some blood had trickled, which may be seen in 
Fig. 1388. The frogs of all four feet bulged backwards, and 
were badly affected. The soles were covered with normal 
horn, but I did not resort to paring to see if they were 
affected. One very curious feature about the case was the 
