Vol. I: VII. On the Proportions and on the Movements of the Human Figure: 326.

The Da Vinci Notebooks a d is a head's length, c b is a head's length. The four smaller toes are all equally thick from the nail at the top to the bottom, and are 1/13 of the foot. 176:142 : See Pl. XIV, No. 1, a drawing of a foot with the text in three lines below it.