Plate IV, Figure 4.
Stretch the feet, enlarge the stomach, the neck becomes proportionally
longer; the head of this animal stays as large as the horse's even though
it appears smaller because of the other differences.
It has to have a
curved neck because of the center of gravity.
In the camel, sheep, and
deer, the line AT (purple) has to be in a diagonally lifting angle.
If you gave the neck a length of AF (the brown line), you would need a
high withers, but, because of the weight which must be supported due to
the structure of the animal, this kind of neck cannot be.
The neck must
be very short: "green line." The animal, not being able to reach the
ground, requires thus a trunk.
|Plate V, Figure 5.
There is all the more evidence in the
case of the walrus. It does not need a trunk because it swims for
The vertebras of the chest and back must form an arch.
only 3 vertebras in the loins, this animal seems shorter in our eyes.
END OF FIRST LESSON.