American Veterinary Review, 
AUGUST AND SEPTEMBER, 1882. 
ORIGINAL ARTICLES. 
THE HORSE’S FOOT. 
By A. Zundel. 
(Con tinned from page 156.) 
DISEASES OF THE FROG. 
This part of the horse’s foot is exposed to many pathological 
lesions. Some are merely accidental, and result from the intro¬ 
duction into its structure of nails, and other various foreign 
bodies, more or less sharp, which the animal picks up in walking 
or performing his work. We have already considered these forms 
of lesion in the article upon Punctured Wounds. The frog is 
often bruised, a lesion which may be followed by a complication 
which we may be allowed to consider under the name of furuncle 
of the frog. But besides this, some special diseases are also ob¬ 
served, amongst them one already known to us under the name of 
canker , and another which is more commonly known under that 
of thrashes. 
(A) Thrushes. —This affection is often, but wrongly, considered 
as the beginning of canker, being characterized by the presence 
of a puriform secretion, blackened and very foetid, which collects 
and accumulates in the lacunae and excavations of the frog, 
whether in its middle or upon its sides. There is often an in¬ 
creased sensibility of the parts, which in some cases may give 
