Selande leads Carlon Belcelona, Medore Damara and others of Cha Faile to confront Perrin. He told them they cannot have their horses; if they want to play at Aiel then they have to run like the Aiel. He gives them their horses in exchange for their agreeing to obey him until Faile is found. (WH,Ch6)
When they arrive at So Habor, Balwer takes off from the rest of the party with Latian and Medore in tow. (CoT,Ch26)
Balwer's friend is out of town for the day, so he, Latian and Medore stay behind in So Habor when Perrin and the others return to camp. Four days later they return bringing Tallanvor with them. (CoT,Ch27)