"Rode off in the direction o' Black Rock River Canyon."
Allen started. Could it be possible they suspected the claim was up in that neighborhood? It was more than possible.
The young ranchman turned to Noel Urner. "Noel, I'm going to change my plans. I am going after those two men instead of going to San Francisco."
"It would certainly seem a useless trip now," replied the young man from New York, slowly. "There is not the slightest doubt but what your uncle was decoyed away from San Francisco. Where he is now is a mystery which those two men must solve for you—they or"
"Captain Grady," finished Allen, impulsively. "I feel it in my bones that he is in this plot against Uncle Barnaby."
"It would seem so."
"How do ye make that out?" asked Ike Watson.
In a few words Allen told the old hunter about the missing letter.
"Gee, shoo! He are one o' the gang, sartin!" cried Ike Watson. "The best ye can do is to start in an' round 'em all up."
