to the bones. Description of the parts of the bust and of their motions.
808.
Give the anatomy of the leg up to the hip, in all views and in every action and in every state; veins, arteries, nerves, sinews and muscles, skin and bones; then the bones in sections to show the thickness of the bones.
[Footnote: A straightened leg in profile is sketched by the side of this text.]
On corpulency and leanness (809-811).
809.
Make the rule and give the measurement of each muscle, and give the reasons of all their functions, and in which way they work and what makes them work &c.
[4] First draw the spine of the back; then clothe it by degrees, one after the other, with each of its muscles and put in the nerves and arteries and veins to each