d e will be the third part of the whole man.
f g is the fourth part of a man and is equal to g h and measures a cubit.
[Footnote: See Pl. XIX, No. 1. 1. mamolino (=bambino, little child) may mean here the navel.]
348.
a b goes 4 times into a c and 9 into a m . The greatest thickness of the arm between the elbow and the hand goes 6 times into a m and is equal to r f . The greatest thickness of the arm between the shoulder and the elbow goes 4 times into c m , and is equal to h n g . The smallest thickness of the arm above the elbow x y is not the base of a square, but is equal to half the space h 3 which