The width of the neck, viewed laterally, taken from its insertion in the trough of the jaw to the roots of the first hairs of the mane, on a line which forms with the superior contour two equal angles.

10. One-third of the entire length of the head (F) gives:

The height of its superior part from the summit of the forelock to a line which passes through the most salient points of the orbits.

The width of the head below the lower eyelids.

The lateral width of the forearm, taken from its anterior origin to the point of the elbow.

11. Two-thirds of this length[44] (G) gives:

The distance of the point of the elbow above the plane of the lower surface of the sternum.

The depression of the back in relation to the summit of the withers.

The lateral width of the posterior limbs near the hams.

The space or distance of the forearms from one ars[45] to the opposite.