the larger amount of connective tissue just beneath the skin and the
heavier muscles of the jaw. A very satisfactory pulse may be found in the
small arteries located along the inferior part of the lateral region of the
tail and near its base.

_The sheep's pulse_ may be taken directly from the femoral artery by
placing the fingers over the inner region of the thigh. By pressing with
the hand over the region of the heart we may determine its condition.

_The hog's pulse_ can easily be taken from the femoral artery on the
internal region of the thigh. The artery crosses this region obliquely and
is quite superficial toward its anterior and lower portion.

_The dog's_ pulse is usually taken from the brachial artery. The pulse wave
can be readily felt by resting the fingers over the inner region of the arm
and just above the elbow. The character of the heart beats in dogs may be
determined by resting the hand on the chest wall.

RESPIRATION.--The frequency of the respirations varies with the species.
The following table gives the frequency of the respirations in domestic
animals:

Horse 8 to 10 per minute
Ox 12 to 15 per minute
Sheep 12 to 20 per minute
Dog 15 to 20 per minute
Pig 10 to 15 per minute

The ratio of the heart beats to the respirations is about 1:4 or 1:5. This
ratio is not constant in ruminants. Rumination, muscular exertion and