Legs above their feet for leaping
In Leviticus 11:21, this signifies natural good united to spiritual good and the resulting natural truth from that union. (Apocalypse Explained 543[15])
Numbers 23:15-18
15
He said to Balak, "Stand here by your burnt offering, while I meet [Yahweh] yonder."
16
Yahweh met Balaam, and put a word in his mouth, and said, "Return to Balak, and say this."
17
He came to him, and behold, he was standing by his burnt offering, and the princes of Moab with him. Balak said to him, "What has Yahweh spoken?"
18
He took up his parable, and said, "Rise up, Balak, and hear! Listen to me, you son of Zippor.