Stolas as illustrated by Collin de Plancy in Dictionnaire Infernal.
Stolas' seal
Stolas is a Great Prince of Jinnestan, commands twenty-six legions of demons, and teaches astronomy and the knowledge of poisonous plants, herbs and precious stones. He is also known as Stolos and Solas. He is depicted as either being a crowned owl with long legs, a raven, or a man.
Rank
Stolas is a Great Prince of Jinnestan commanding twenty-six legions of demons (twenty-five to other authors).
Appearance
Stolas is depicted as a crowned owl with long legs, a raven, or a man.
Powers
Stolas teaches astronomy and the knowledge of poisonous plants, herbs and precious stones.