ot, necessitating the whole of the
weight being borne by the other, ends often in laminitis of the second
member. It may thus occur as a sequel to quittor, complicated sand-crack,
suppurating corn, and punctured wounds of the feet.

Laminitis has also been known to occur as a result of septic infection of
the blood-stream consequent on the operation of castration. (See recorded
case, No. 2, p. 281.)

A sudden lowering of the surface circulation at a time when the animal is
excessively perspiring is also said to favour an attack, as also is the
giving to drink of cold water to an animal just in from a long and tiring
journey. Also, according to Zundel, 'the influence of the season cannot be
denied, and it is during the summer months that laminitis is more frequent,
while it is rare in winter, as well as in the spring and autumn.'

Further, laminitis has been described as occurring when the animal is at
grass, and when all causes--at any rate, active ones--have appeared to be
absent. (See reported case, No. 3, p. 282.)

Regarding heredity, we may safely say that, as a cause of laminitis, it may
be almost totally disregarded. That a bad form of foot, either a flat-foot
or a foot with heels contracted, and already thus affected with a mild type
of inflammation, did not offer a certain predisposition, we should not like
to assert. There must, however, be an exciting cause--namely, a poisoned
condition of the blood-stream. This latter cannot, of course, be in any way
regarded as hereditary.

In short, the dietetic cause is by far the most common, and, in prosecuting
inquiries as to the starting-point of an attack, the veterinarian's
attention should be directed in the main to that particular.

_Symptoms_.--Laminitis is always ushered in by a set of symptoms indicative
of a high state of fever. The pulse is raised from the normal to as many as
80 or 90 a minute, muscular tremors are in evidence, the respirations are
short and hurried, and the temperature rises to 105 deg., 106 deg., or 107 deg. F. The
visible mucous membranes are injected, that of the eye, in addition to the
hyperaemia, often tinged a dirty yellow. The mouth is dry and hot, the urine
scanty, and the bowels frequently torpid. As yet, however, the walk is
sound.

Called in during this early stage, the veterinarian is often puzzled as
to the exact significance of the symptoms. Enteritis, lymphangitis, or
pneumonia he knows to be often heralded in the same m