The Vanishing Legion

(1931)

A Mascot Western adventure serial in twelve chapters

Cast: Harry Carey, Edwina Booth, Yakima Canutt, and Rex, "King of the Wild Horses", and Boris Karloff as "The Voice"

Directed by B. Reaves Eason

A mysterious man known as The Voice is an infamous criminal planning to take from the Milesburg Oil Company, but the heiress has a group of men helping her to protect the company.  

Chapters:

Chapter 1 - The Voice from the Void

Chapter 2 - Queen of the Night Riders

Chapter 3 - The Invisible Enemy

Chapter 4 - The Fatal Message

Chapter 5 - The Trackless Trail

Chapter 6 - The Radio Riddle

Chapter 7 - The Crimson Clue

Chapter 8 - The Doorway to Disaster

Chapter 9 - When Time Stood Still

Chapter 10 - Riding the Whirlwind

Chapter 11 - The Capsule of Oblivion

Chapter 12 - The Hoofs of Horror

Censored second from Chapter 1