375 
1'HE riOESE^S FOOT’. 
band, by its cutigeral cavity. The band then continues to pro¬ 
duce the external wall of the hoof, while the podophyllous pro¬ 
duces the abnormal wall, and the seedy toe remains between the 
two walls. 
There are cases where the separation, produced by the con a 
gestion of laminitis, takes place to such an extent, in circumfer¬ 
ence or in height, that the hoof loses all its adhesion, except 
towards the heels; and then one may see the curious fact of the 
new generation of an entire new nail within the old one, the 
former being, so to speak, sequestered in the latter. 
IV. —Differential diagnosis .—It is possible that, notwithstand, 
ing its distinctly characterized physiognomy, laminitis, of the hind 
feet especially, may be mistaken for a disease of the spinal re¬ 
gion. Often, when the founder is light, the hinder parts wag, as 
in sprains of the loins, but the resting of the feet on the heels, 
their heat and their sensibility, will soon point out the distinction. 
In more severe cases, the hinder founder may simulate paralysis, 
especially if the animals cannot or will not raise themselves. 
Here, the history of the case is very useful, and the explorations 
of the feet will assist in making the diagnosis. We have seen 
cases of laminitis behind, where the raising of the foot has been 
such that it might be taken for springhalt, or even for locomotor 
ataxy. It may be also taken for tetanus when in mild form, or 
yet incompletely characterized. 
V. Prognosis .—Laminitis is so much more alarming and 
rebellious as to treatment, as it is more extensive, more serious, 
and of longer existence. The most serious cases are those which 
are due to a constitutional predisposition, and those which follow 
a general alteration, or are complicated with other diseases. 
Chronic laminitis is especially serious from the production 
without separation, and in an excessive measure, of the horny 
substance. Seedy toe is then less serious, and that which does 
not extend to the coronary band is sometimes curable by the 
gradual growth of the hoof; the tumor of the os pedis is the most 
rebellious to treatment. The destruction of patients is often 
necessary, from their inability to walk or to do any work, and 
that notwithstanding all treatment they are entirely useless. 
{To be continued .) 
