The triangular object on f76v

[-JKP-]

Adam and Eve (with long hair) and Lilith from a 14th-century Notre Dame sculpture. Lilith was a creature of the night (think moon and owls) and is said to have preyed upon pregnant women:




I don't know whether early depictions show her with a branch. She usually holds something like this, which doesn't look like a branch to me:




Some cast her as Adam's first lover but say she grew tired of him.