The Da Vinci Notebooks at sacred-texts.com
--Top of the chin--hip--the insertion of the middle finger. The end of the calf of the leg on the inside of the thigh.--The end of the swelling of the shin bone of the leg.  The smallest thickness of the leg goes 3 times into the thigh seen in front.
180:159 : See Pl. XVII, No. 2, middle sketch.