They galloped their ponies in the direction of the Glen, and reached the opening to the sinister defile in record time. Nor did they stop to dismount. Rough as was the way, they rode their mounts up the valley until they came within sight of the cave. Nor were they stopped, and they detected no gas, though they were on the alert for it.
"Maybe it's a false alarm," suggested Nort. "Maybe our fellows didn't suffer from a gas attack after all."
"Well, the cows certainly did!" exclaimed his brother.
However their worst fears were realized when, as they flung themselves off their horses at the mouth of the cave they saw, just within, the prostrate forms of Sam Tarbell and his companion guards. Stark and silent the men lay there.
"We're too late!" muttered Bud sorrowfully.
"They're all dead!" echoed Nort.
"This is Death Valley sure enough!" came gloomily from Dick.
There was a movement within the cave. There sounded the rattling echoes of dislodged stones.
"Some one's coming!" murmured Bud, drawing his gun.
A moment later there emerged from the cavern the form of Old Tosh. He did not appear surprised to see the boys, nor to note the prostrate forms of the men. In one hand he held a bottle of his Elixer and waving it over his head he cried: