"A little trouble with one of his nerve-centres, that's all. But even if it got worse during the night, Covington could run the race for him."
The Californian started. At last all was plain. He had doubted from the first, now he was certain; but with understanding came also a menace to his own careful plans. If Covington ran in Speed's place, how could he effect his rival's exposure? On the way back to the house he had to think rapidly.
Mrs. Keap was pacing the porch as the others came up, and called Speed aside; then, when they were alone, broke out, with blazing eyes:
"You said you had stopped him!"
"And I thought I had. I did my best."
"But he's coming! He'll be here any minute!"
"I suppose he learned you were here." Wally laughed.
"Then you must have told him."
"No, I didn't."
"Mr. Speed"—Roberta's cheeks were pallid and her voice trembled —"you—didn't—send that telegram—at all."