3, the pulley through which the upper oblique muscle plays.]

* * * * *

QUESTIONS ON THE DESCRIPTION OF THE EYES.

Of what shape is the eye?--"It is round like a ball."

In what is it placed?--"In a deep, bony socket."

What is a socket?--"A hollow place."

Why is the eye placed in a deep, bony socket?--"To keep it from getting
hurt."

Why would not an eye shaped like a cube do for us?--"It would not look
well; it could not be rolled about."

Why would not an eye shaped like a cone or cylinder do for us?--"It could
not be rolled in every direction."

Why is the ball-shape best for the eye?--"It looks best, and may be rolled
in every direction."

What part of the eye do we see through?--"The black spot in the centre."

What is it called?--"The pupil."

What shape is the pupil?--"Round like a circle."