such as turning around, running straight ahead and falling down. The period
of excitement is usually brief and may be followed by marked depression.
The mucous membranes of the head are a deep, red color.

_The symptoms_ in anaemic conditions of the brain are loss of
consciousness, stumbling, falling to the ground and sometimes convulsions.
The pig and dog may vomit. Favorable cases return to the normal within a
few hours. Acute inflammatory diseases of the brain and its coverings are
associated with cerebral hyperaemia or congestion.

_The treatment_ of mild cases is to give the animal quiet, well-ventilated
quarters, where it can not injure itself. The animal should be first
subjected to a severe diet and later given easily-digested feed. If it
appears greatly excited, bleeding should be practised. Cold applications to
the head should be used in all cases in the small animals. For internal
treatment, purgatives are indicated. In cases of anaemia, stimulants,
vigorous massage, artificial respiration and injection of physiological
salt solution are indicated.

SUNSTROKE AND HEATSTROKE.--Most writers make no distinction between
heatstroke and sunstroke. The latter is caused by the direct rays of the
sun falling on the animal, and the former from a high temperature and poor
circulation of air in the surroundings. Under such conditions, the physical
condition of the animal and exertion play an important part in the
production of the nervous disturbance.

_The first symptoms_ usually noted are rapid, labored breathing, depression
and an anxious expression on the face. The horse usually stops sweating.
The body temperature is extremely high, the pulse beats weak, the animal
trembles, falls to the ground and dies in a convulsion. Unless measures