Burroughs-Tarzan Enterprises Inc.

A serial in 12 chapters. Tarzan goes to Guatemala to find his lost friend, D'Arnot. On the way he helps Major Matling search Mayan ruins for hidden jewels and an idol containing the formula for a powerful explosive. D'Arnot and the idol are rescued, but the idol falls into the clutches of the explorer Raglan.

A band of renegades attacks and loots a mission, stealing some priceless treasures. Local citizens blame an outlaw known as "The Hawk," who is also called "The Phantom of Santa Fe."