Amdusias (Demon)

The demon Amdusias appears in the grimoires Book of Incantations, The Discoverie of Witchcraft, Pseudomonarchia Daemonum, The Lesser Key of Solomon, and Dictionnaire Infernal

From The Lesser Key of Solomon, Crowley/Mathers edition:

Amdusias

The Sixty-seventh Spirit is Amdusias, or Amdukias. He is a Duke Great and Strong, appearing at first like a Unicorn, but at the request of the Exorcist he standeth before him in Human Shape, causing Trumpets, and all manner of Musical Instruments to be heard, but not soon or immediately. Also he can cause Trees to bend and incline according to the Exorcist's Will. He giveth Excellent Familiars. He governeth 29 Legions of Spirits. And his Seal is this, etc.

Timeline of related events

1500

1536

Publication of De praestigiis daemonum (lists this demon)

1600

1700

1800

1810

In this decade: Book of Incantations written (lists this demon)

1818

Publication of Dictionnaire Infernal (lists this demon)